Alloy powder used for improving flexibility of dual-phase steel laser welding joints and application method of alloy powder
A technology of alloy powder and dual-phase steel, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of excessive decrease in weld toughness, etc., and achieve the effects of easy promotion, improved weld toughness, and simple preparation
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[0018] The present invention and its applications will be further described below in conjunction with the examples.
[0019] 1. Pour an appropriate amount of absolute ethanol into the evaporating dish, and use an electronic balance to weigh 13.8% iron-based alloy powder, 82.8% iron powder, 1.4% aluminum powder, 1% vanadium powder and 1 % cerium oxide powder was added to absolute ethanol, and the mixture was stirred with a glass rod to make it evenly mixed.
[0020] The iron-based alloy powder is a commercially available Fe33-37 iron-based alloy powder, and its components and mass percent content are Cr21%, B1.5%, Si3.5%, Ni10%, Mo2%, Mn0.8 %, V0.5%, the rest is Fe.
[0021] 2. Grind the butt surface of the workpiece to be welded with sandpaper to make the welding butt surface as smooth as possible. Use cotton dipped in alcohol to wipe the butt surface and surrounding area of the workpiece to be welded, and apply the alloy powder mixture after the alcohol on the workpiece h...
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