When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basicthing, which makes such a difference.

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sir please send me previous question papers on metallurgy at vishal.nitrr07@gmail.com .....thank you

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Define what is the grain size of lead as an element and as an alloy such as lead tin alloy?

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Is it possible to design heat treatment processes such that a gradient in grain size is produced?

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What is the metallurgical explanation of effects of chromium, nickel, molybdenum, and carbon in stainless steels?

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What happens to the microstructure during service exposure?

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Which pump is preferred for small discharge at high pressure?

1 Answers   NIC,

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why magnetite iron ore is not taken into the blast furnace?

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When a spring is cut into two, stiffness becomes ?

1 Answers   NIC,

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what is the composition of cast iron grade 35

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Define grinding.

1 Answers   Essar,

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Describe strain aging based on dislocation theory?

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