Diffusion bonding method of hard alloy and metal
A cemented carbide and diffusion joining technology, applied in metal processing equipment, welding equipment, manufacturing tools, etc., can solve the problems of low connection strength and complex process, improve the bearing capacity, increase the connection area, and facilitate mass production. Effect
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[0012] Specific embodiment 1: This embodiment is a method for diffusion bonding of cemented carbide and metal, which is carried out through the following steps: 1. Texturing boss: through computer programming, a wire cutting machine is used to cut the cemented carbide to be welded Surface, so that the hard alloy surface to be welded generates matrix type bosses;
[0013] 2. Cleaning before welding: Use 80#, 200#, 400# and 800# sandpaper to polish the metal surface to be welded step by step, then put it in acetone for ultrasonic cleaning for 3-10min, and then air dry to get the cleaned metal ; Put the cemented carbide surface on which the matrix bosses are generated into ultrasonic cleaning in acetone for 5 minutes and then dry, to obtain the cleaned cemented carbide;
[0014] 3. Diffusion bonding: butt the cleaned cemented carbide surface to be welded with the cleaned metal surface to be welded, then put it in a diffusion soldering furnace, fix it with an indenter, and then perform...
Example Embodiment
[0016] Specific embodiment two: this embodiment is different from specific embodiment one in that the height of the boss described in step one is 1 to 2 mm, and the cross section is 1×1 mm. Others are the same as the first embodiment.
Example Embodiment
[0017] Specific embodiment three: This embodiment is different from specific embodiment one or two in that the cemented carbide mentioned in step one is YG6, YG8 or YG15. Others are the same as the first or second embodiment.
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