Alloys and its Importance


 
 
Concept Explanation
 

Alloys and its Importance

Alloy

An alloy is a mixture of two or more metals or one or more metals and a non- metal. Alloys can be used to increase hardness of metals.  Examples of alloys are stainless steel (a mixture of iron, nickel, and chromium) and bronze (a mixture of iron and tin).

Name of the alloy

Composition

Uses

Steel

Iron + carbon

Construction material, machine parts.

Stainless steel

Iron+ chromium nickel

For making cooking utensils and cutlery, surgical implements

Brass

Copper +  zinc

For making cooking utensils decorative statues, nuts and bolts

Bronze

Copper + Tin

For making cooking utensils, coins medals, statues

German silver

Copper +zinc + nickel

For making table ware.

Duralumin

Aluminum + copper + magnesium + manganese

For making aircraft bodies, automobile parts.

Alnico

Aluminum + nickel + cobalt

For making magnets

Gun metal

Copper + tin + zinc

For making gun-barrels.

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Brass is formed by the combination of Copper and _________________.

Right Option : A
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Explanation
Question : 2

The uses of Duralumin is/are _________________.

Right Option : A
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Explanation
Question : 3

Brass is an alloy of _________________

Right Option : B
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Explanation
 
 


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