Non-magnetic hard alloy and preparation method thereof
A cemented carbide and mixture technology, applied in the field of alloy manufacturing, can solve the problems of high pressure resistance and poor corrosion resistance, and achieve the effects of good corrosion resistance, low strategic resource consumption, and improved hardness
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[0026] Example 16.090.210.210.2193.28
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[0027] Example 26.10.20.20.293.3
Example Embodiment
[0028] Example 36.110.190.190.1993.32
[0029] According to the material ratio table of Example 1-3, take the components by weight percentage: Ni powder 6.09%~6.11%, Cr3C2 powder 0.19%~0.21%, TaC powder 0.19%~0.21%, Mo powder 0.19%~0.21 %, the balance is WC powder. Add Ni powder, Cr3C2 powder, TaC powder, Mo powder and WC powder into the tiltable ball mill. The speed of the ball mill is 240r / min. The alloy ball for ball milling is WC-6wt% Ni-based cemented carbide ball with a diameter of about 10mm. The material ratio is 3.5:1, the ball milling time is 42-44h, the solvent used in the wet milling is absolute ethanol, and the wet milling to the powder particle size is 1 to 2 μm to obtain a mixed slurry.
[0030] After that, the above-mentioned mixed slurry is filtered, dried, and then added to the SD rubber solution of 0.8-1.0% of the total mass of the raw materials, mixed well, vacuum dried at 90-110°C for 15-25 minutes, and then passed through an 80-mesh sieve to obtain the mixtur...
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