A kind of preparation method of large size high performance tungsten alloy product
A tungsten alloy and large-size technology, which is applied in the field of product manufacturing, can solve the problems of increased manufacturing process difficulty, large performance differences, and low material utilization, so as to reduce the overall process difficulty, reduce equipment requirements, and improve material utilization. Effect
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Embodiment 1
[0033] A method for preparing a large-size high-performance tungsten alloy product, the preparation method is:
[0034] a. The mass percentage of each component of the tungsten alloy product is: W: 94.95%; Ni: 3.15%; Fe: 1.5%, Co: 0.35%, Mn; 0.05% (additionally). Among them, the particle size of tungsten powder is 3-5um.
[0035] b. Put the weighed powder into the double cone mixer, and weigh the mixing ball according to the total weight of the powder. WC balls, ball to material weight ratio 0.45. Mixing time 10h. The mixed powder passes through a 30-mesh sieve, removes the mixing ball, and then passes through a 100-mesh sieve.
[0036] c. Put the mixed alloy powder into the custom-made rubber sleeve. The rubber sleeve is made of black oil-resistant rubber. The size of the rubber sleeve can be designed according to the product situation. The powder loading process should be even. Inhomogeneity causes size irregularity of the blank after pressing.
[0037] d. Put the powd...
Embodiment 2
[0046] a. The mass percentages of the components of tungsten alloy products are: W: 92.95%; Ni: 5.2%; Fe: 1.4%, Co: 0.4%, Mn; 0.05% (additionally). Among them, the particle size of tungsten powder is 3-5um.
[0047] b. Put the weighed powder into the double cone mixer, and weigh the mixing ball according to the total weight of the powder. WC balls, ball to material weight ratio 0.45. Mixing time 10h. The mixed powder passes through a 30-mesh sieve, removes the mixing ball, and then passes through a 100-mesh sieve.
[0048] c. Put the mixed alloy powder into the custom-made rubber sleeve. The rubber sleeve is made of black oil-resistant rubber. The size of the rubber sleeve can be designed according to the product situation. The powder loading process should be even. Inhomogeneity causes size irregularity of the blank after pressing.
[0049] d. Put the powdered rubber suit into a cold isostatic press, press at a pressure of 180-220Mpa, keep the pressure for 3-5min, releas...
Embodiment 3
[0058] A method for preparing a large-size high-performance tungsten alloy product, the preparation method is:
[0059] a. The mass percentage of each component of the tungsten alloy product is: W: 94.95%; Ni: 3.15%; Fe: 1.5%, Co: 0.35%, Mn; 0.05% (additionally). Among them, the particle size of tungsten powder is 3-5um.
[0060] b. Put the weighed powder into the double cone mixer, and weigh the mixing ball according to the total weight of the powder. WC balls, ball to material weight ratio 0.45. Mixing time 10h. The mixed powder passes through a 30-mesh sieve, removes the mixing ball, and then passes through a 100-mesh sieve.
[0061] c. Put the mixed alloy powder into the custom-made rubber sleeve. The rubber sleeve is made of black oil-resistant rubber. The size of the rubber sleeve can be designed according to the product situation. The powder loading process should be even. Inhomogeneity causes size irregularity of the blank after pressing.
[0062] d. Put the powd...
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