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LASER WELDING METHOD FOR STAINLESS STEEL AND FILLER METAL FOR LASER WELDING OF STAINLESS STEEL
LASER WELDING METHOD FOR STAINLESS STEEL AND FILLER METAL FOR LASER WELDING OF STAINLESS STEEL
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机译：不锈钢的激光焊接方法及不锈钢的激光焊接填充金属
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摘要
PURPOSE:To make act the filler metal as a hardness control agent to suppress work hardening of the weld zone of a stainless steel and to suppress the work hardening of the weld zone by supplying a material added with specific powder as the filler metal to the weld zone of the stainless steel and executing the laser welding. CONSTITUTION:A laser beam LB is supplied to a laser beam nozzle 3 from a laser oscillator 7 and the weld zone of the work W made of the stainless steel is irradiated with this laser beam. The filler metal force fed together with a carrier gas to a filler metal nozzle 5 is formed by adding the powder of Ni to the powder alloy of the stainless steel. The powder filler force fed together with the carrier gas to the filler metal nozzle 5 is blown and supplied to the weld zone of the work W by the laser beam LB from the laser beam nozzle 3. As a result, the Ni acts as the hardness control agent to suppress the work hardening of the weld zone contg. the filler metal, by which the work hardening of the weld zone is suppressed and the metal structure of this port is stabilized.
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