Short Note
Give two purposes of alloying.
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Solution
1) To enhance the hardness of metal.
Ex.Pure Fe is soft but PCS is hard
2)To lower melting point
Wood’s metal (Bi,Sn,Cd,Pb have high melting pointer but wood’s metal has m-p-71oC that’s why used to make safety fuses.)
Concept: Purpose of Making Alloys
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