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Question
In white cast irons, carbon is present as:
In white cast irons, carbon is present as:
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Solution
The correct option is D cementite
In white cast irons, carbon is present as cementite.
Cementite is also called iron carbide. It is an intermetallic compound of iron and carbon. It is an intermediate transition metal carbide. Its formula is Fe3C. It is 6.67% w/w carbon and 93.3% w/w iron.It has an orthorhombic crystal structure.
In white cast irons, carbon is present as cementite.
Cementite is also called iron carbide. It is an intermetallic compound of iron and carbon. It is an intermediate transition metal carbide. Its formula is Fe3C. It is 6.67% w/w carbon and 93.3% w/w iron.It has an orthorhombic crystal structure.
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