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- W2897263527 abstract "We have developed the high power laser beam combining system of a 6 kW Nd:YAG laser and a 10 kW Chemical Oxygen-Iodine Laser (COIL). This study presents a thick plate welding with the combined beam. The wavelengths of Nd:YAG laser and COIL are 1.06 µm and 1.32 µm respectively, hence their beams can be combined by a dichroic mirror. The average power of the combined beam was over 16 kW. Welding tests of stainless steel type 304 were carried out.The Nd:YAG laser has a function of pulse modulation. As a result of the welding test with Nd:YAG laser, it was clarified that the PW(pulsed wave) beam has good efficiency of deeper penetration compared with CW(continuous wave) beam at low welding speed. A full penetration with a thickness of 20mm was achieved using the PW Nd:YAG laser beam at a welding speed of 0.2 m/min. Moreover, using the combined beam of PW Nd: YAG laser and CW COIL, the full(20mm-thickness) penetration on a stainless steel was achieved with a high aspect ratio at high welding speed.We have developed the high power laser beam combining system of a 6 kW Nd:YAG laser and a 10 kW Chemical Oxygen-Iodine Laser (COIL). This study presents a thick plate welding with the combined beam. The wavelengths of Nd:YAG laser and COIL are 1.06 µm and 1.32 µm respectively, hence their beams can be combined by a dichroic mirror. The average power of the combined beam was over 16 kW. Welding tests of stainless steel type 304 were carried out.The Nd:YAG laser has a function of pulse modulation. As a result of the welding test with Nd:YAG laser, it was clarified that the PW(pulsed wave) beam has good efficiency of deeper penetration compared with CW(continuous wave) beam at low welding speed. A full penetration with a thickness of 20mm was achieved using the PW Nd:YAG laser beam at a welding speed of 0.2 m/min. Moreover, using the combined beam of PW Nd: YAG laser and CW COIL, the full(20mm-thickness) penetration on a stainless steel was achieved with a high aspect ratio at high welding speed." @default.
- W2897263527 created "2018-10-26" @default.
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- W2897263527 date "2001-01-01" @default.
- W2897263527 modified "2023-09-26" @default.
- W2897263527 title "Laser welding characteristics with high power combining beam" @default.
- W2897263527 doi "https://doi.org/10.2351/1.5059778" @default.
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