Construct radial hardness profiles for the following:(a) A cylindrical specimen of an 8640...

Construct radial hardness profiles for the following:

(a) A cylindrical specimen of an 8640 steel alloy of diameter 50 mm (2 in.) that has been quenched in moderately agitated oil

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(b) A cylindrical specimen of a 5140 steel alloy of diameter 75 mm (3 in.) that has been quenched in moderately agitated oil

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(c) A cylindrical specimen of an 8620 steel alloy of diameter 65 mm (in.) that has been quenched in moderately agitated water

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(d) A cylindrical specimen of a 1040 steel alloy of diameter 70 mm ( in.) that has been quenched in moderately agitated water.