Powder metallurgy technique is used in the production of ____________________ tools ?
Correct answer: A. Tungsten carbide
- A. Tungsten carbide
- B. High carbon steel
- C. High speed steel
- D. Drilling
Explanation
Powder metallurgy is particularly important for producing tungsten carbide cutting tools, since the very hard carbide particles can be compacted and sintered into useful tool inserts. High-carbon and high-speed steels are normally produced by melting and conventional steelworking methods.
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