Which of the following material has nearly zero coefficient of expansion?
A. Stainless steel
B. High speed steel
C. Invar
D. Heat resisting steel
Answer: Option C
Solution (By Examveda Team)
Invar is a solid solution, it is a single-phase alloy,It consisting of around 36% nickel and 64% iron.
And uniquely it has nearly zero coefficient of expansion.
This Question Belongs to Mechanical Engineering >> Engineering Materials
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