The major problem in the use of refactory metals at high temperature is?

Question

a. poor corrosion resistance

b. low hardness

c. low strength

d. poor oxidation resistance

Answer 1

How about all of the above. If I had to choose I would say low strength. Think about tungsten in an incandescent situation (light bulb) the strength is lowered but how is that a problem?

Answer 2

d. Poor oxidation resistance

Answer 3

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