Engineering Materials
Nickel in steel

Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Improves cutting ability and reduces hardenability
Improves wear resistance, cutting ability and toughness
Gives ductility, toughness, tensile strength and anti-corrosion properties

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Engineering Materials
Specify the sequence correctly

Grain growth, recrystallization, stress relief
Grain growth, stress relief, recrystallization
Stress relief, grain growth, recrystallization
Stress relief, recrystallization, grain growth

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Engineering Materials
Amorphous material is one

Which emits fumes on melting
Which is not attacked by phosphorous
In which atoms align themselves in a geometric pattern upon solidification
In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid

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