Low-sintering-temperature tungsten-nickel-iron alloy for shielding material
A low sintering temperature, tungsten-nickel-iron alloy technology, applied in the field of alloys, can solve the problems of poor structural performance, low mechanical strength, toxicity and other problems of shielding components, and achieve the effects of strong shielding ability, improved mechanical properties, and increased hardness
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[0016] A tungsten-nickel-iron alloy with low sintering temperature for shielding material. The composition and weight percentage of the alloy are: W: 94%, Ni: 3.5%, Fe: 2.3%, Ge: 0.10%, and the rest are unavoidable impurities.
[0017] The preparation method of described alloy, concrete steps and parameters are as follows:
[0018] 1. Material preparation: The physical properties of the metal powder used are: the W content of tungsten powder is 99.99%, the particle size is 3μm; the Ni content of nickel powder is 99.95%, the particle size is 2μm; the Fe content of iron powder is 99.9%, the particle size is 4μm; germanium powder The Ge content is 99.999%, and the particle size is 400 mesh.
[0019] 2. Powder blending: Weigh the screened tungsten powder, nickel powder, iron powder, and germanium powder in a vacuum glove box filled with argon atmosphere according to the weight ratio. The weight percentage of the alloy powder is: W: 94%, Ni: 3.5 %, Fe: 2.3%, Ge: 0.10%;
[0020] 3...
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