How many common tungsten-based alloys are there?
Tungsten-based alloy is an alloy material made by powder metallurgy or injection molding technology with the refractory metal tungsten as the hard phase and nickel, iron, copper or silver as the bonding phase. It has excellent thermal, mechanical, and With excellent electrical and chemical properties, it is widely used in aerospace, military, national defense, automobile, medical and other fields.
Two phase alloy
1. Tungsten-copper alloy: It is a two-phase structural pseudo-alloy composed of tungsten and copper elements. It is commonly manufactured by copper infiltration method. It has the advantages of high density, high melting point and good electrical and thermal conductivity. However, it has poor oxidation resistance, so it will rust in the natural environment, thus reducing the overall quality.
2. Tungsten-silver alloy: It is an alloy composed of tungsten and silver. Although it has excellent plasticity, oxidation resistance and electrical and thermal conductivity, its strength and hardness are relatively low and its price is high. The production method of tungsten-silver alloy is the same as that of tungsten-copper.
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