Addition of copper to aluminium results in
A. Improvement of casting characteristics
B. Improvement of corrosion resistance
C. One of the best known age and precipitation hardening systems
D. Improving machinability
Answer: Option C
Solution(By Examveda Team)
The copper provides substantial increases in strength and facilitates precipitation hardening.The introduction of copper to aluminum can also reduce ductility and corrosion resistance.
This Question Belongs to Mechanical Engineering >> Engineering Materials
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