연구동향 분석

(A) protective system for vacuum laser beam welding and application to difficult-to-weld materials

이용기 2022년

논문상세정보
인용/피인용
' (A) protective system for vacuum laser beam welding and application to difficult-to-weld materials' 의 주제별 논문영향력
논문영향력 선정 방법
논문영향력 요약
주제
  • Vacuum laser beam welding
  • aluminum alloy
  • contamination
  • coupling glass
  • particle behavior
  • protective system
  • shielding gas
  • surface oxidation
  • titanium alloy
동일주제 총논문수 논문피인용 총횟수 주제별 논문영향력의 평균
52 0

0.0%

' (A) protective system for vacuum laser beam welding and application to difficult-to-weld materials' 의 참고문헌

  • comparative study on the laser welding of Ti6Al4V alloy sheets in flat and horizontal positions
    B. Chang , `` A vol . 7 , no . 4 , p. 376 [2017]
  • `` Titanium Welding Technology
    T. Otani vol . 95 , pp . 88-92 [2007]
  • `` Size distribution and chemical properties of welding fumes of inhalable particles
    M. Oprya vol . 45 , pp . 50-57 [2012]
  • `` Mechanical behaviour of overlap joints of titanium , '' Science and technology of welding and joining
    J. Bergmann vol . 10 , no . 1 , pp . 50-60 [2005]
  • `` Investigation of the humping formation in the high power and high speed laser welding
    Y. Ai vol . 107 , pp . 102-111 [2018]
  • [9] U. Reisgen, S. Olschok, and S. Longerich, "Laser beam welding in vacuum–a process variation in comparison with electron beam welding," in International Congress on Applications of Lasers & Electro-Optics, 2010, vol. 2010, no. 1, pp. 638-647: Laser Institute of America.
    [2010]
  • [9] O. O. Oladimeji and E. Taban, "Trend and innovations in laser beam welding of wrought aluminum alloys," Welding in the World, vol. 60, no. 3, pp. 415-457, 2016.
    [2016]
  • [9] C. Kim, M. Kang, and N. Kang, "Solidification crack and morphology for laser weave welding of Al 5J32 alloy," Science and Technology of Welding and Joining, vol. 18, no. 1, pp. 57-61, 2013.
    [2013]
  • [9] C. Cai, G. C. Peng, L. Q. Li, Y. B. Chen, and L. Qiao, "Comparative study on laser welding characteristics of aluminium alloy under atmospheric and subatmospheric pressures," Science and Technology of Welding and Joining, vol. 19, no. 7, pp. 547- 553, 2014/10/01 2014.
    [2014]
  • [9] A. Youhei, K. Yousuke, N. Hiroshi, N. Koji, M. Masami, and K. Seiji, "Effect of reduced pressure atmosphere on weld geometry in partial penetration laser welding of stainless steel and aluminium alloy with high power and high brightness laser," Science and Technology of Welding and Joining, vol. 19, no. 4, pp. 324-332, 2014.
  • [8] Z. Wang, J. Oliveira, Z. Zeng, X. Bu, B. Peng, and X. Shao, "Laser beam oscillating welding of 5A06 aluminum alloys: Microstructure, porosity and mechanical properties," Optics & Laser Technology, vol. 111, pp. 58-65, 2019.
    [2019]
  • [8] Y. Abe, M. Mizutani, Y. Kawahito, and S. Katayama, "Deep penetration welding with high power laser under vacuum," in International Congress on Applications of Lasers & Electro-Optics, 2010, vol. 2010, no. 1, pp. 648-653: LIA.
    [2010]
  • [8] V. V. Semak, W. D. Bragg, B. Damkroger, and S. Kempka, "Transient model for the keyhole during laser welding," Journal of physics D: Applied physics, vol. 32, no. 15, p. L61, 1999.
    [1999]
  • [8] S.-W. Han, W.-I. Cho, L.-J. Zhang, and S.-J. Na, "Coupled simulation of thermalmetallurgical- mechanical behavior in laser keyhole welding of AH36 steel," Materials & Design, vol. 212, p. 110275, 2021/12/15/ 2021.
  • [8] D. Cheng, J. Huang, X. Zhao, and H. Zhang, "Microstructure and superplasticity of laser welded Ti–6Al–4V alloy," Materials & Design, vol. 31, no. 1, pp. 620-623, 2010.
    [2010]
  • [8] C. Cai, G. Peng, L. Li, Y. Chen, and L. Qiao, "Comparative study on laser welding characteristics of aluminium alloy under atmospheric and subatmospheric pressures," Science and Technology of Welding and Joining, vol. 19, no. 7, pp. 547- 553, 2014.
    [2014]
  • [7] S.-W. Han, W.-I. Cho, L.-J. Zhang, and S.-J. Na, "A study on laser keyhole welding in vacuum by computational fluid dynamics simulations with plume effect models," Journal of Laser Applications, vol. 33, no. 1, p. 012042, 2021.
  • [7] S. Katayama, Y. Kobayashi, M. Mizutani, and A. Matsunawa, "Effect of vacuum on penetration and defects in laser welding," Journal of Laser Applications, vol. 13, no. 5, pp. 187-192, 2001.
    [2001]
  • [7] S. Katayama, Y. Abe, M. Mizutani, and Y. Kawahito, "Deep penetration welding with high-power laser under vacuum," Transactions of JWRI, vol. 40, no. 1, pp. 15-19, 2011.
    [2011]
  • [7] S. Katayama and Y. Kawahito, "Elucidation of phenomena in high-power fiber laser welding and development of prevention procedures of welding defects," in Fiber lasers VI: technology, systems, and applications, 2009, vol. 7195, p. 71951R: International Society for Optics and Photonics.
    [2009]
  • [7] S. H. Wang, M. D. Wei, and L. W. Tsay, "Tensile properties of LBW welds in Ti– 6Al–4V alloy at evaluated temperatures below 450 °C," Materials Letters, vol. 57, no. 12, pp. 1815-1823, 2003.
    [2003]
  • [6] S. Katayama, A. Yohei, M. Mizutani, and Y. Kawahito, "Development of deep penetration welding technology with high brightness laser under vacuum," Physics Procedia, vol. 12, pp. 75-80, 2011.
    [2011]
  • [6] S. Jakobs, Laserstrahlschweißen im Vakuum: Erweiterung der Prozessgrenzen für dickwandige Bleche. Shaker Verlag, 2015.
    [2015]
  • [6] M. Kang and C. Kim, "Evaluation of hot cracking susceptibility on laser welded aluminum alloy using coaxially arranged multiple-beam laser," Journal of Laser Applications, vol. 32, no. 2, 2020.
    [2020]
  • [6] L. Tsay and C. Tsay, "The effect of microstructures on the fatigue crack growth in Ti-6Al-4V laser welds," International Journal of Fatigue, vol. 19, no. 10, pp. 713- 720, 1997.
    [1997]
  • [6] J. Norris, C. Robino, D. Hirschfeld, and M. Perricone, "Effects of laser parameters on porosity formation: investigating millimeter scale continuous wave Nd: YAG laser welds," Weld J, vol. 90, no. 10, p. 198, 2011.
    [2011]
  • [6] H. Wang, Y. Kawahito, R. Yoshida, Y. Nakashima, and K. Shiokawa, "Development of a high-power blue laser (445 nm) for material processing," Optics Letters, vol. 42, no. 12, pp. 2251-2254, 2017.
    [2017]
  • [5] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Laser beam welding under vacuum of high grade materials," Welding in the World, vol. 60, no. 3, pp. 403-413, 2016.
    [2016]
  • [5] P. Denney and E. Metzbower, "Laser beam welding of titanium," Welding Journal, vol. 68, no. 8, pp. 342-346, 1989.
    [1989]
  • [5] M. Kang and C. Kim, "Evaluation of hot cracking susceptibility on laser welded aluminum alloy using coaxially arranged multiple-beam laser," Journal of Laser Applications, vol. 32, no. 2, p. 022072, 2020.
    [2020]
  • [5] G. Peng, L. Li, J. Wang, H. Xia, S. Meng, and J. Gong, "Effect of subatmospheric pressures on weld formation and mechanical properties during disk laser welding of 5A06 aluminium alloy," Journal of Materials Processing Technology, vol. 277, p. 116457, 2020.
    [2020]
  • [5] C. Börner, K. Dilger, V. Rominger, T. Harrer, T. Krüssel, and T. Löwer, "Influence of ambient pressure on spattering and weld seam quality in laser beam welding with the solid-state laser," in International Congress on Applications of Lasers & Electro-Optics, 2011, vol. 2011, no. 1, pp. 621-629: Laser Institute of America.
  • [5] A. Matsunawa, M. Mizutani, S. Katayama, and N. Seto, "Porosity formation mechanism and its prevention in laser welding," Welding international, vol. 17, no. 6, pp. 431-437, 2003.
    [2003]
  • [4] Y. Arata, N. Abe, and T. Oda, "Fundamental phenomena in high power CO_2 laser (report II): vacuum laser welding (welding physics, process & instrument)," Transactions of JWRI, vol. 14, no. 2, pp. 217-222, 1985.
    [1985]
  • [4] U. Reisgen, S. Olschok, and S. Longerich, "Laser beam welding in vacuum–a process variation in comparison with electron beam welding," in International Congress on Applications of Lasers & Electro-Optics, 2010, vol. 2010, no. 1, pp. 638-647: Laser Institute of America.
    [2010]
  • [4] N. A. Steshenkova and N. A. Nosyrev, "Laser technologies in modern shipbuilding," in Lasers in Manufacturing Conference. Munich, 2017.
    [2017]
  • [4] J. Mazumder and W. Steen, "Microstructure and mechanical properties of laser welded titanium 6Al-4V," metallurgical transactions A, vol. 13, no. 5, pp. 865-871, 1982.
    [1982]
  • [4] C. Kim, M. Kang, and N. Kang, "Solidification crack and morphology for laser weave welding of Al 5J32 alloy," Science and Technology of Welding and Joining, vol. 18, no. 1, pp. 57-61, 2013.
    [2013]
  • [4] A. Matsunawa, "Problems and solutions in deep penetration laser welding," Science and Technology of Welding and Joining, vol. 6, no. 6, pp. 351-354, 2001.
    [2001]
  • [47] D. Reitemeyer, T. Seefeld, and F. Vollertsen, "Online focus shift measurement in high power fiber laser welding," Physics Procedia, vol. 5, pp. 455-463, 2010.
    [2010]
  • [46] D. Reitemeyer, T. Seefeld, F. Vollertsen, and J. P. Bergmann, "Cover glass influence on high power fiber laser induced focus shift," in International Congress on Applications of Lasers & Electro-Optics, 2009, vol. 2009, no. 1, pp. 751-758: Laser Institute of America.
    [2009]
  • [45] S. Katayama, Y. Kobayashi, M. Mizutani, and A. Matsunawa, "Effect of vacuum on penetration and defects in laser welding," Journal of Laser Applications, vol. 13, no. 5, pp. 187-192, 2001.
    [2001]
  • [44] S. Katayama, Fundamentals and Details of Laser Welding. Springer, 2020.
    [2020]
  • [43] Y. Luo, X. Tang, S. Deng, F. Lu, Q. Chen, and H. Cui, "Dynamic coupling between molten pool and metallic vapor ejection for fiber laser welding under subatmospheric pressure," Journal of Materials Processing Technology, vol. 229, pp. 431-438, 2016.
    [2016]
  • [42] Reisgen Uwe, Olschok Simon, Holtum Niklas, and J. Stefan, "Laser beam welding in mobile vacuum," presented at the Lasers in Manufacturing, Munich, 2017.
    [2017]
  • [41] A. Youhei, K. Yousuke, N. Hiroshi, N. Koji, M. Masami, and K. Seiji, "Effect of reduced pressure atmosphere on weld geometry in partial penetration laser welding of stainless steel and aluminium alloy with high power and high brightness laser," Science and Technology of Welding and Joining, vol. 19, no. 4, pp. 324-332, 2014.
  • [40] Y. Miyazaki and S. Katayama, "Influence of laser-induced plume on penetration in laser welding," Welding International, vol. 29, no. 5, pp. 349-355, 2015.
    [2015]
  • [3] S. Herbert, "Laser-hybrid welding of ships," Welding Journal, vol. 83, no. 6, pp. 39-43, 2004.
    [2004]
  • [3] O. O. Oladimeji and E. Taban, "Trend and innovations in laser beam welding of wrought aluminum alloys," Welding in the World, vol. 60, no. 3, pp. 415-457, 2016.
    [2016]
  • [3] M. Jiang, W. Tao, and Y. Chen, "Laser welding under vacuum: a review," Applied Sciences, vol. 7, no. 9, p. 909, 2017.
    [2017]
  • [3] K.-M. Hong and Y. C. Shin, "Prospects of laser welding technology in the automotive industry: A review," Journal of Materials Processing Technology, vol. 245, pp. 46-69, 2017.
    [2017]
  • [3] B. W. Shinn, D. F. Farson, and P. E. Denney, "Laser stabilisation of arc cathode spots in titanium welding," Science and Technology of Welding and Joining, vol. 10, no. 4, pp. 475-481, 2005.
    [2005]
  • [3] B. Kim et al., "Effects of weaving laser on weld microstructure and crack for Al 6k21-T4 alloy," Journal of Materials Science & Technology, vol. 27, no. 1, pp. 93- 96, 2011.
    [2011]
  • [39] J. Xu, Y. Luo, L. Zhu, J. Han, C. Zhang, and D. Chen, "Effect of shielding gas on the plasma plume in pulsed laser welding," Measurement, vol. 134, pp. 25-32, 2019.
    [2019]
  • [38] G. Peng, L. Li, J. Wang, H. Xia, S. Meng, and J. Gong, "Effect of subatmospheric pressures on weld formation and mechanical properties during disk laser welding of 5A06 aluminium alloy," Journal of Materials Processing Technology, vol. 277, p. 116457, 2020.
    [2020]
  • [37] U. Reisgen, S. Olschok, and C. Turner, "Laser Beam Welding of Copper: Reduced pressure as key for sound welding of high plate thicknesses," Laser Technik Journal, vol. 13, no. 5, pp. 34-37, 2016.
    [2016]
  • [36] L. Li, G. Peng, J. Wang, J. Gong, and H. Li, "Experimental study on weld formation of Inconel 718 with fiber laser welding under reduced ambient pressure," Vacuum, vol. 151, pp. 140-147, 2018.
    [2018]
  • [36] J. Zou, W. Yang, S. Wu, Y. He, and R. Xiao, "Effect of plume on weld penetration during high-power fiber laser welding," Journal of Laser Applications, vol. 28, no. 2, p. 022003, 2016.
    [2016]
  • [35] Y. Kawahito, K. Kinoshita, N. Matsumoto, M. Mizutani, and S. Katayama, "Effect of weakly ionised plasma on penetration of stainless steel weld produced with ultra high power density fibre laser," Science and Technology of Welding and Joining, vol. 13, no. 8, pp. 749-753, 2008.
    [2008]
  • [35] Structural Welding Code - Titanium, AWS D1.9/D1.9M:2007-ADD1 2011.
  • [34] Y. Cheng, X. Jin, S. Li, and L. Zeng, "Fresnel absorption and inverse bremsstrahlung absorption in an actual 3D keyhole during deep penetration CO2 laser welding of aluminum 6016," Optics & Laser Technology, vol. 44, no. 5, pp. 1426-1436, 2012.
    [2012]
  • [34] M. Jiang, W. Tao, S. Wang, L. Li, and Y. Chen, "Effect of ambient pressure on interaction between laser radiation and plasma plume in fiber laser welding," Vacuum, vol. 138, pp. 70-79, 2017.
    [2017]
  • [33] P. Shcheglov, Study of vapour-plasma plume during high power fiber laser beam influence on metals. Bundesanstalt für Materialforschung und-prüfung (BAM), 2012.
    [2012]
  • [33] M. Gao, C. Chen, M. Hu, L. Guo, Z. Wang, and X. Zeng, "Characteristics of plasma plume in fiber laser welding of aluminum alloy," Applied Surface Science, vol. 326, pp. 181-186, 2015.
    [2015]
  • [32] Y. Kawahito, N. Matsumoto, M. Mizutani, and S. Katayama, "Characterisation of plasma induced during high power fibre laser welding of stainless steel," Science and Technology of Welding and Joining, vol. 13, no. 8, pp. 744-748, 2013.
    [2013]
  • [32] P. Y. Shcheglov, A. Gumenyuk, I. B. Gornushkin, M. Rethmeier, and V. Petrovskiy, "Vapor–plasma plume investigation during high-power fiber laser welding," Laser Physics, vol. 23, no. 1, p. 016001, 2012.
    [2012]
  • [31] S. Katayama, Y. Abe, R. Ido, M. Mizutani, and Y. Kawahito, "Deep penetration welding with high power disk lasers in low vacuum," in International Congress on Applications of Lasers & Electro-Optics, 2011, vol. 2011, no. 1, pp. 669-678: Laser Institute of America.
    [2011]
  • [31] C. Cai, G. Peng, L. Li, Y. Chen, and L. Qiao, "Comparative study on laser welding characteristics of aluminium alloy under atmospheric and subatmospheric pressures," Science and Technology of Welding and Joining, vol. 19, no. 7, pp. 547- 553, 2014.
    [2014]
  • [30] Y. Luo, X. Tang, F. Lu, Q. Chen, and H. Cui, "Effect of subatmospheric pressure on plasma plume in fiber laser welding," Journal of Materials Processing Technology, vol. 215, pp. 219-224, 2015.
    [2015]
  • [30] S. Katayama, Y. Abe, M. Mizutani, and Y. Kawahito, "Deep penetration welding with high-power laser under vacuum," Transactions of JWRI, vol. 40, no. 1, pp. 15-19, 2011.
    [2011]
  • [2] X.-L. Gao, L.-J. Zhang, J. Liu, and J.-X. Zhang, "A comparative study of pulsed Nd: YAG laser welding and TIG welding of thin Ti6Al4V titanium alloy plate," Materials Science and Engineering: A, vol. 559, pp. 14-21, 2013.
    [2013]
  • [2] V. V. Semak, W. D. Bragg, B. Damkroger, and S. Kempka, "Transient model for the keyhole during laser welding," Journal of physics D: Applied physics, vol. 32, no. 15, p. L61, 1999.
    [1999]
  • [2] U. Reisgen, S. Olschok, S. Jakobs, and M. Mücke, "Welding with the Laser Beam in Vacuum: Close‐to‐production test series for the vehicle industry," Laser Technik Journal, vol. 12, no. 2, pp. 42-46, 2015.
    [2015]
  • [2] S. T. Eickhoff and T. W. Eagar, "Characterization of spatter in low-current GMAW of titanium alloy plate," Welding Journal, vol. 69, no. 10, p. 382, 1990.
    [1990]
  • [2] K.-D. Choi, Y.-N. Ahn, and C. Kim, "Weld strength improvement for Al alloy by using laser weaving method," Journal of Laser Applications, vol. 22, no. 3, pp. 116-119, 2010.
    [2010]
  • [2] C.-H. Kim, Y.-N. Ahn, and H.-S. Lim, "Laser Welding of Automotive Aluminum Alloys," Journal of Welding and Joining, vol. 29, no. 4, pp. 21-26, 2011.
    [2011]
  • [29] V. Rominger, P. Berger, and H. Hügel, "Effects of reduced ambient pressure on spattering during the laser beam welding of mild steel," Journal of Laser Applications, vol. 31, no. 4, p. 042016, 2019.
    [2019]
  • [29] U. Reisgen, S. Olschok, and S. Jakobs, "Laser beam welding in vacuum of thick plate structural steel," in International Congress on Applications of Lasers & Electro-Optics, 2013, vol. 2013, no. 1, pp. 341-350: Laser Institute of America.
    [2013]
  • [29] E. Amara, R. Fabbro, and A. Bendib, "Modeling of the compressible vapor flow induced in a keyhole during laser welding," Journal of Applied Physics, vol. 93, no. 7, pp. 4289-4296, 2003.
    [2003]
  • [28] D. Lacroix, G. Jeandel, and C. Boudot, "Solution of the radiative transfer equation in an absorbing and scattering Nd: YAG laser-induced plume," Journal of applied physics, vol. 84, no. 5, pp. 2443-2449, 1998.
    [1998]
  • [28] C. Börner, T. Krüssel, and K. Dilger, "Process characteristics of laser beam welding at reduced ambient pressure," in High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications II, 2013, vol. 8603, p. 86030M: International Society for Optics and Photonics.
    [2013]
  • [28] C. Börner, K. Dilger, V. Rominger, T. Harrer, T. Krüssel, and T. Löwer, "Influence of ambient pressure on spattering and weld seam quality in laser beam welding with the solid-state laser," in International Congress on Applications of Lasers & Electro-Optics, 2011, vol. 2011, no. 1, pp. 621-629: Laser Institute of America.
  • [27] M. Jiang, X. Chen, Y. Chen, and W. Tao, "Mitigation of porosity defects in fiber laser welding under low vacuum," Journal of Materials Processing Technology, vol. 276, p. 116385, 2020.
    [2020]
  • [27] J. Ahn, E. He, L. Chen, J. Dear, and C. Davies, "The effect of Ar and He shielding gas on fibre laser weld shape and microstructure in AA 2024-T3," Journal of Manufacturing Processes, vol. 29, pp. 62-73, 2017.
    [2017]
  • [26] X. Han, X. Tang, T. Wang, C. Shao, F. Lu, and H. Cui, "Role of ambient pressure in keyhole dynamics based on beam transmission path method for laser welding on Al alloy," The International Journal of Advanced Manufacturing Technology, vol. 99, no. 5-8, pp. 1639-1651, 2018.
    [2018]
  • [26] P. Y. Shcheglov, A. V. Gumenyuk, I. B. Gornushkin, M. Rethmeier, and V. N. Petrovskiy, "Vapor–plasma plume investigation during high-power fiber laser welding," Laser Physics, vol. 23, no. 1, p. 016001, 2013.
    [2013]
  • [26] J. Cheon, D. V. Kiran, and S.-J. Na, "CFD based visualization of the finger shaped evolution in the gas metal arc welding process," International Journal of Heat and Mass Transfer, vol. 97, pp. 1-14, 2016.
    [2016]
  • [25] Y. Lee, J. Cheon, B.-K. Min, and C. Kim, "Contamination of Coupling Glass and Performance Evaluation of Protective System in Vacuum Laser Beam Welding," Applied Sciences, vol. 9, no. 23, p. 5082, 2019.
    [2019]
  • [25] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Laser beam welding under vacuum of high grade materials," Welding in the World, vol. 60, no. 3, pp. 403-413, 2016.
    [2016]
  • [25] L. Li, G. Peng, J. Wang, J. Gong, and S. Meng, "Numerical and experimental study on keyhole and melt flow dynamics during laser welding of aluminium alloys under subatmospheric pressures," International Journal of Heat and Mass Transfer, vol. 133, pp. 812-826, 2019.
    [2019]
  • [25] J. Cheon, D. V. Kiran, and S.-J. Na, "CFD based visualization of the finger shaped evolution in the gas metal arc welding process," International Journal of Heat and Mass Transfer, vol. 97, pp. 1-14, 2016.
    [2016]
  • [24] X. Han, X. Tang, T. Wang, C. Shao, F. Lu, and H. Cui, "Role of ambient pressure in keyhole dynamics based on beam transmission path method for laser welding on Al alloy," The International Journal of Advanced Manufacturing Technology, vol. 99, no. 5-8, pp. 1639-1651, 2018.
    [2018]
  • [24] U. Reisgen, S. Olschok, and C. Turner, "Welding of thick plate copper with laser beam welding under vacuum," Journal of Laser Applications, vol. 29, no. 2, p. 022402, 2017.
    [2017]
  • [24] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Laser beam welding under vacuum of high grade materials," Welding in the World, vol. 60, no. 3, pp. 403-413, 2016.
    [2016]
  • [24] S. Katayama, Y. Abe, R. Ido, M. Mizutani, and Y. Kawahito, "Deep penetration welding with high power disk lasers in low vacuum," in International Congress on Applications of Lasers & Electro-Optics, 2011, vol. 2011, no. 1, pp. 669-678: Laser Institute of America.
    [2011]
  • [24] S. Katayama, A. Yohei, M. Mizutani, and Y. Kawahito, "Development of deep penetration welding technology with high brightness laser under vacuum," Physics Procedia, vol. 12, pp. 75-80, 2011.
    [2011]
  • [23] Y. Lee, J. Cheon, B.-K. Min, and C. Kim, "Contamination of Coupling Glass and Performance Evaluation of Protective System in Vacuum Laser Beam Welding," Applied Sciences, vol. 9, no. 23, p. 5082, 2019.
    [2019]
  • [23] U. Reisgen, S. Olschok, S. Jakobs, and M. Mücke, "Welding with the Laser Beam in Vacuum: Close‐to‐production test series for the vehicle industry," Laser Technik Journal, vol. 12, no. 2, pp. 42-46, 2015.
    [2015]
  • [23] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Sound welding of copper: Laser beam welding in vacuum," Physics Procedia, vol. 83, pp. 447-454, 2016.
    [2016]
  • [23] U. Reisgen, S. Olschok, N. Holtum, and S. Jakobs, "Laser beam welding in mobile vacuum," Proceedings of the Lasers in Manufacturing (LIM 2017), Munich, Germany, pp. 26-29, 2017.
    [2017]
  • [23] S. Katayama, Y. Kobayashi, M. Mizutani, and A. Matsunawa, "Effect of vacuum on penetration and defects in laser welding," Journal of Laser Applications, vol. 13, no. 5, pp. 187-192, 2001.
    [2001]
  • [22] Y. Lee, J. Cheon, B.-K. Min, and C. Kim, "Modelling of fume particle behaviour and coupling glass contamination during vacuum laser beam welding," Science and Technology of Welding and Joining, pp. 1-13, 2021.
  • [22] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Laser beam welding under vacuum of high grade materials," Welding in the World, vol. 60, no. 3, pp. 403-413, 2016.
    [2016]
  • [22] M. Gao, Y. Kawahito, and S. Kajii, "Observation and understanding in laser welding of pure titanium at subatmospheric pressure," Opt Express, vol. 25, no. 12, pp. 13539-13548, Jun 12 2017.
    [2017]
  • [22] J. Elmer, J. Vaja, and H. Carlton, "The effect of reduced pressure on laser keyhole weld porosity and weld geometry in commercially pure titanium and nickel," Weld. J., vol. 95, pp. 419-430, 2016.
    [2016]
  • [22] H. Sakamoto, T. Iwase, and K. Shibata, "Energy Coupling Rate in Aluminum Welding by CO~ 2 Laser and Nd: YAG Laser," REVIEW OF LASER ENGINEERING-LASER SOCIETY OF JAPAN, vol. 31, no. 2, pp. 146-150, 2003.
    [2003]
  • [21] Y. Lee, J. Cheon, B.-K. Min, and C. Kim, "Contamination of Coupling Glass and Performance Evaluation of Protective System in Vacuum Laser Beam Welding," Applied Sciences, vol. 9, no. 23, p. 5082, 2019.
    [2019]
  • [21] U. Reisgen, S. Olschok, and S. Longerich, "Laser beam welding in vacuum–a process variation in comparison with electron beam welding," in International Congress on Applications of Lasers & Electro-Optics, 2010, vol. 2010, no. 1, pp. 638-647: Laser Institute of America.
    [2010]
  • [21] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Laser beam welding under vacuum of high grade materials," Welding in the World, vol. 60, no. 3, pp. 403-413, 2016.
    [2016]
  • [21] M. Jiang, X. Chen, Y. Chen, and W. Tao, "Mitigation of porosity defects in fiber laser welding under low vacuum," Journal of Materials Processing Technology, vol. 276, p. 116385, 2020.
    [2020]
  • [20] M. Jiang, X. Chen, Y. Chen, and W. Tao, "Increasing keyhole stability of fiber laser welding under reduced ambient pressure," Journal of Materials Processing Technology, vol. 268, pp. 213-222, 2019.
    [2019]
  • [20] M. Jiang, W. Tao, S. Wang, L. Li, and Y. Chen, "Effect of ambient pressure on interaction between laser radiation and plasma plume in fiber laser welding," Vacuum, vol. 138, pp. 70-79, 2017.
    [2017]
  • [20] J. Elmer, J. Vaja, and H. Carlton, "The effect of reduced pressure on laser keyhole weld porosity and weld geometry in commercially pure titanium and nickel," Weld. J., vol. 95, pp. 419-430, 2016.
    [2016]
  • [20] D. Reitemeyer, T. Seefeld, F. Vollertsen, and J. P. Bergmann, "Cover glass influence on high power fiber laser induced focus shift," in International Congress on Applications of Lasers & Electro-Optics, 2009, vol. 2009, no. 1, pp. 751-758: Laser Institute of America.
    [2009]
  • [20] C. Börner, T. Krüssel, and K. Dilger, "Process characteristics of laser beam welding at reduced ambient pressure," in High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications II, 2013, vol. 8603, p. 86030M: International Society for Optics and Photonics.
    [2013]
  • [1] S. Katayama, Y. Kobayashi, M. Mizutani, and A. Matsunawa, "Effect of vacuum on penetration and defects in laser welding," Journal of Laser Applications, vol. 13, no. 5, pp. 187-192, 2001.
    [2001]
  • [1] S. Katayama, M. Mizutani, Y. Kawahito, S. Ito, and D. Sumimori, "Fundamental research of 100 kW fiber laser welding technology," in Proceedings of the Lasers in Manufacturing Conference (LiM), Munich, June 22–25, Munich, Germany, 2015.
    [2015]
  • [1] N. Guo, Y. Fu, Y. Wang, Q. Meng, and Y. Zhu, "Microstructure and mechanical properties in friction stir welded 5A06 aluminum alloy thick plate," Materials & Design, vol. 113, pp. 273-283, 2017/01/05/ 2017.
    [2017]
  • [1] J. Blackburn, "Laser welding of metals for aerospace and other applications," in Welding and Joining of Aerospace Materials: Elsevier, 2012, pp. 75-108.
    [2012]
  • [19] Y. Luo, X. Tang, F. Lu, Q. Chen, and H. Cui, "Effect of subatmospheric pressure on plasma plume in fiber laser welding," Journal of Materials Processing Technology, vol. 215, pp. 219-224, 2015.
    [2015]
  • [19] Welding Handbook, Ninth Edition. Miami, FL: American Welding Society, 2007.
    [2007]
  • [19] V. Rominger, P. Berger, and H. Hügel, "Effects of reduced ambient pressure on spattering during the laser beam welding of mild steel," Journal of Laser Applications, vol. 31, no. 4, p. 042016, 2019.
    [2019]
  • [19] S. Yang, J. Wang, B. Carlson, and J. Zhang, "Vacuum-assisted laser welding of zinc-coated steels in a gap-free lap joint configuration," Welding Journal, vol. 92, no. 7, pp. 197-204, 2013.
    [2013]
  • [19] M. Jiang, W. Tao, S. Wang, L. Li, and Y. Chen, "Effect of ambient pressure on interaction between laser radiation and plasma plume in fiber laser welding," Vacuum, vol. 138, pp. 70-79, 2017.
    [2017]
  • [18] Y. Luo, X. Tang, F. Lu, Q. Chen, and H. Cui, "Spatial distribution characteristics of plasma plume on attenuation of laser radiation under subatmospheric pressure," Appl Opt, vol. 54, no. 5, pp. 1090-6, Feb 10 2015.
    [2015]
  • [18] Q. Chen, X. Tang, F. Lu, Y. Luo, and H. Cui, "Study on the effect of laser-induced plasma plume on penetration in fiber laser welding under subatmospheric pressure," The International Journal of Advanced Manufacturing Technology, vol. 78, no. 1-4, pp. 331-339, 2015.
    [2015]
  • [18] M. Jiang, W. Tao, S. Wang, L. Li, and Y. Chen, "Effect of ambient pressure on interaction between laser radiation and plasma plume in fiber laser welding," Vacuum, vol. 138, pp. 70-79, 2017.
    [2017]
  • [18] M. Gao, Y. Kawahito, and S. Kajii, "Observation and understanding in laser welding of pure titanium at subatmospheric pressure," Optics express, vol. 25, no. 12, pp. 13539-13548, 2017.
    [2017]
  • [18] C. Börner, K. Dilger, V. Rominger, T. Harrer, T. Krüssel, and T. Löwer, "Influence of ambient pressure on spattering and weld seam quality in laser beam welding with the solid-state laser," in International Congress on Applications of Lasers & Electro-Optics, 2011, vol. 2011, no. 1, pp. 621-629: Laser Institute of America.
  • [17] Y. Luo, X. Tang, F. Lu, Q. Chen, and H. Cui, "Effect of subatmospheric pressure on plasma plume in fiber laser welding," Journal of Materials Processing Technology, vol. 215, pp. 219-224, 2015.
    [2015]
  • [17] S. Katayama, Y. Kobayashi, M. Mizutani, and A. Matsunawa, "Effect of vacuum on penetration and defects in laser welding," Journal of Laser Applications, vol. 13, no. 5, pp. 187-192, 2001.
    [2001]
  • [17] J. Wang, G. Peng, L. Li, C. Si, S. Meng, and J. Gong, "30 kW-level laser welding characteristics of 5A06 aluminum alloy thick plate under subatmospheric pressure," Optics & Laser Technology, vol. 119, p. 105668, 2019.
    [2019]
  • [17] A. Youhei, K. Yousuke, N. Hiroshi, N. Koji, M. Masami, and K. Seiji, "Effect of reduced pressure atmosphere on weld geometry in partial penetration laser welding of stainless steel and aluminium alloy with high power and high brightness laser," Science and Technology of Welding and Joining, vol. 19, no. 4, pp. 324-332, 2014.
  • [16] U. Reisgen, S. Olschok, and S. Longerich, "Laser beam welding in vacuum–a process variation in comparison with electron beam welding," in International Congress on Applications of Lasers & Electro-Optics, 2010, vol. 2010, no. 1, pp. 638-647: Laser Institute of America.
    [2010]
  • [16] U. Reisgen, S. Olschok, and S. Jakobs, "Laser beam welding in vacuum of thick plate structural steel," in International Congress on Applications of Lasers & Electro-Optics, 2013, vol. 2013, no. 1, pp. 341-350: Laser Institute of America.
    [2013]
  • [16] U. Reisgen, S. Olschok, S. Jakobs, and C. Turner, "Sound welding of copper: Laser beam welding in vacuum," Physics Procedia, vol. 83, pp. 447-454, 2016.
    [2016]
  • [16] C. Cai, G. Peng, L. Li, Y. Chen, and L. Qiao, "Comparative study on laser welding characteristics of aluminium alloy under atmospheric and subatmospheric pressures," Science and Technology of Welding and Joining, vol. 19, no. 7, pp. 547- 553, 2014.
    [2014]
  • [16] A. Youhei, K. Yousuke, N. Hiroshi, N. Koji, M. Masami, and K. Seiji, "Effect of reduced pressure atmosphere on weld geometry in partial penetration laser welding of stainless steel and aluminium alloy with high power and high brightness laser," Science and Technology of Welding and Joining, vol. 19, no. 4, pp. 324-332, 2014.
  • [15] Y. Arata, N. Abe, and T. Oda, "Fundamental phenomena in high power CO_2 laser (report II): vacuum laser welding (welding physics, process & instrument)," Transactions of JWRI, vol. 14, no. 2, pp. 217-222, 1985.
    [1985]
  • [15] Y. Abe, M. Mizutani, Y. Kawahito, and S. Katayama, "Deep penetration welding with high power laser under vacuum," in International Congress on Applications of Lasers & Electro-Optics, 2010, vol. 2010, no. 1, pp. 648-653: LIA.
    [2010]
  • [15] M. Jiang, X. Chen, Y. Chen, and W. Tao, "Increasing keyhole stability of fiber laser welding under reduced ambient pressure," Journal of Materials Processing Technology, vol. 268, pp. 213-222, 2019.
    [2019]
  • [15] L. Li, G. Peng, J. Wang, J. Gong, and S. Meng, "Numerical and experimental study on keyhole and melt flow dynamics during laser welding of aluminium alloys under subatmospheric pressures," International Journal of Heat and Mass Transfer, vol. 133, pp. 812-826, 2019.
    [2019]
  • [15] D. Reitemeyer, T. Seefeld, F. Vollertsen, and J. P. Bergmann, "Cover glass influence on high power fiber laser induced focus shift," in International Congress on Applications of Lasers & Electro-Optics, 2009, vol. 2009, no. 1, pp. 751-758: Laser Institute of America.
    [2009]
  • [14] Y. Arata, N. Abe, T. Oda, and N. Tsujii, "Fundamental phenomena during vacuum laser welding," in International Congress on Applications of Lasers & Electro- Optics, 1984, vol. 1984, no. 2, pp. 1-7: Laser Institute of America.
    [1984]
  • [14] X. Cao and M. Jahazi, "Effect of welding speed on butt joint quality of Ti–6Al–4V alloy welded using a high-power Nd:YAG laser," Optics and Lasers in Engineering, vol. 47, no. 11, pp. 1231-1241, 2009.
    [2009]
  • [14] U. Reisgen, S. Olschok, and S. Jakobs, "Laser beam welding in vacuum of thick plate structural steel," in International Congress on Applications of Lasers & Electro-Optics, 2013, vol. 2013, no. 1, pp. 341-350: Laser Institute of America.
    [2013]
  • [14] S. Katayama, R. Ido, K. Nishimoto, M. Mizutani, and Y. Mizutani, "Full penetration welding of thick high tensile strength steel plate with high-power disk laser in low vacuum," Welding International, vol. 32, no. 5, pp. 289-302, 2018.
    [2018]
  • [13] U. Reisgen, S. Olschok, and S. Jakobs, "Laser beam welding in vacuum of thick plate structural steel," in International Congress on Applications of Lasers & Electro-Optics, 2013, vol. 2013, no. 1, pp. 341-350: Laser Institute of America.
    [2013]
  • [13] S. Katayama, A. Yohei, M. Mizutani, and Y. Kawahito, "Development of deep penetration welding technology with high brightness laser under vacuum," Physics Procedia, vol. 12, pp. 75-80, 2011.
    [2011]
  • [13] M. Ono, Y. Shinbo, A. Yoshitake, and M. Ohmura, "Development of laser-arc hybrid welding," NKK TECHNICAL REPORT-JAPANESE EDITION-, pp. 70-74, 2002.
    [2002]
  • [13] M. Jiang, X. Chen, Y. Chen, and W. Tao, "Mitigation of porosity defects in fiber laser welding under low vacuum," Journal of Materials Processing Technology, vol. 276, p. 116385, 2020.
    [2020]
  • [13] H. Wang, Y. Shi, S. Gong, and A. Duan, "Effect of assist gas flow on the gas shielding during laser deep penetration welding," Journal of Materials Processing Technology, vol. 184, no. 1-3, pp. 379-385, 2007.
    [2007]
  • [13] D. Reitemeyer, T. Seefeld, and F. Vollertsen, "Online focus shift measurement in high power fiber laser welding," Physics Procedia, vol. 5, pp. 455-463, 2010.
    [2010]
  • [12] Y. Lee, J. Cheon, B.-K. Min, and C. Kim, "Contamination of Coupling Glass and Performance Evaluation of Protective System in Vacuum Laser Beam Welding," Applied Sciences, vol. 9, no. 23, p. 5082, 2019.
    [2019]
  • [12] M. R. Maina, Y. Okamoto, A. Okada, M. Närhi, J. Kangastupa, and J. Vihinen, "High surface quality welding of aluminum using adjustable ring-mode fiber laser," Journal of Materials Processing Technology, vol. 258, pp. 180-188, 2018.
    [2018]
  • [12] L. Li, G. Peng, J. Wang, J. Gong, and S. Meng, "Numerical and experimental study on keyhole and melt flow dynamics during laser welding of aluminium alloys under subatmospheric pressures," International Journal of Heat and Mass Transfer, vol. 133, pp. 812-826, 2019.
    [2019]
  • [12] F. P. Beer, E. R. Johnston Jr, E. R. Eisenberg, and P. J. Cornwell, Vector mechanics for engineers: Dynamics. McGraw-Hill Education, 2009.
    [2009]
  • [12] A. Youhei, K. Yousuke, N. Hiroshi, N. Koji, M. Masami, and K. Seiji, "Effect of reduced pressure atmosphere on weld geometry in partial penetration laser welding of stainless steel and aluminium alloy with high power and high brightness laser," Science and Technology of Welding and Joining, vol. 19, no. 4, pp. 324-332, 2014.
  • [11] X. Han, X. Tang, T. Wang, C. Shao, F. Lu, and H. Cui, "Role of ambient pressure in keyhole dynamics based on beam transmission path method for laser welding on Al alloy," The International Journal of Advanced Manufacturing Technology, vol. 99, no. 5-8, pp. 1639-1651, 2018.
    [2018]
  • [11] S. Katayama, R. Ido, K. Nishimoto, M. Mizutani, and Y. Mizutani, "Full penetration welding of thick high tensile strength steel plate with high-power disk laser in low vacuum," Welding International, vol. 32, no. 5, pp. 289-302, 2018.
    [2018]
  • [11] J. Elmer, J. Vaja, and H. Carlton, "The effect of reduced pressure on laser keyhole weld porosity and weld geometry in commercially pure titanium and nickel," Weld. J., vol. 95, pp. 419-430, 2016.
    [2016]
  • [11] F. Vakili-Farahani, J. Lungershausen, and K. Wasmer, "Process Parameter Optimization for Wobbling Laser Spot Welding of Ti6Al4V Alloy," Physics Procedia, vol. 83, pp. 483-493, 2016.
    [2016]
  • [11] B. R. Munson, D. F. Young, and T. H. Okiishi, Fundamentals of Fluid Mechanics. Hoboken, NJ, USA: John Wiley & Sons, 2001.
    [2001]
  • [10] S. Auwal, S. Ramesh, F. Yusof, and S. M. Manladan, "A review on laser beam welding of copper alloys," International Journal of Advanced Manufacturing Technology, vol. 96, 2018.
    [2018]
  • [10] N. K. Babu, S. G. S. Raman, C. V. S. Murthy, and G. M. Reddy, "Effect of beam oscillation on fatigue life of Ti–6Al–4V electron beam weldments," Materials Science and Engineering: A, vol. 471, no. 1-2, pp. 113-119, 2007.
    [2007]
  • [10] M. Kang and C. Kim, "Evaluation of hot cracking susceptibility on laser welded aluminum alloy using coaxially arranged multiple-beam laser," Journal of Laser Applications, vol. 32, no. 2, p. 022072, 2020.
    [2020]
  • [10] J. Elmer, J. Vaja, and H. Carlton, "The effect of reduced pressure on laser keyhole weld porosity and weld geometry in commercially pure titanium and nickel," Weld. J., vol. 95, pp. 419-430, 2016.
    [2016]
  • [10] D. Reitemeyer, T. Seefeld, F. Vollertsen, and J. P. Bergmann, "Cover glass influence on high power fiber laser induced focus shift," in International Congress on Applications of Lasers & Electro-Optics, 2009, vol. 2009, no. 1, pp. 751-758: Laser Institute of America.
    [2009]
  • [10] C. Börner, K. Dilger, V. Rominger, T. Harrer, T. Krüssel, and T. Löwer, "Influence of ambient pressure on spattering and weld seam quality in laser beam welding with the solid-state laser," in International Congress on Applications of Lasers & Electro-Optics, 2011, vol. 2011, no. 1, pp. 621-629: Laser Institute of America.