Recent questions in material science

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Match List-I (Effect of Cooling) with List- II (Cooling Medium)

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The pattern known as Widmanstätten structure is encountered in:

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Carburizing is done on non-ferrous alloys to increase the surface hardness.

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Consider the following statements about medium carbon steel:

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The eutectoid of carbon in Iron, above lower critical temperature, when cooled, results in:

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Austempering is employed to obtain:

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Consider the following pairs: Heat treatment and Effects on medium carbon steel

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Match List I (Name of treatment) with List II (Media used)

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Primary object of full annealing is to

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T.T.T. diagram indicates time and temperature transformation of

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‘Tempering’ of quenched martensitic steel necessary to improve the

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Consider the following quenching media.

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Normalized steel will have lower hardness than

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Fine pearlite microstructure is represented by the points labeled

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Guideways of lathe beds are hardened by

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Machines tool guideways are usually hardness by

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When a metal or alloy is cold worked

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Match List – I (Heat treatment) with List – II (Effect on the properties)

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asked Dec 28, 2017 in material science by chandu (215k points)

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Hardness and tensile strength in austenitic stainless steel can be increased by

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