A Study of High-Power CO2 Laser Welding Process. Laser Welding Properties of Laser-cut Surface Joints.:Laser Welding Properties of Laser-cut Surface Joints
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We investgated high power CO<SUB>2</SUB> laser welding properties of stainless steel (SUS304) using a laser-cut surface as a welding joint surface. We used O<SUB>2</SUB> and N<SUB>2</SUB> gas-assisted laser cutting and a conventional machined surface in this experiment. Results showed that the tensile strength and an impact value of O<SUB>2</SUB> gas-assisted laser-cut surface welding joints were 10% and 50%, relatively lower than other joints, because oxide film obtained by O<SUB>2</SUB> gas assisted-laser cutting, disolved in the weld zone, and its ductility was reduced. Rather straight bead shape was obtained when using O<SUB>2</SUB> gas-assisted laser-cut surface welding.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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