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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For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)

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HOW ARC PRODUCE IN ELECTRIC ARC FURNACE

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Which is the only liquid in which gold is dissolved?

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How can Residual stresses in superalloy components can be minimised?

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What is calibration of an instrument?

0 Answers   Essar,

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In grey iron sulpher was above 0.15% what react on metal?

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How does iron and steel exhibit allotropy?

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Why are the superalloys sometimes subjected to secondary melting processes?

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white rust formation over zinc plated and passivated fasteners during CED coating. WHY?

1 Answers   Wheels India,

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Explain dislocation theory?

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What kind of components are fabricated from the superalloys, and what are their roles?

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