Question: Construct radial hardness profiles for the following: (a) A 50-mm (2-in.) diameter cylindrical specimen of an 8640 steel alloy that has been quenched in moderately

Construct radial hardness profiles for the following:
(a) A 50-mm (2-in.) diameter cylindrical specimen of an 8640 steel alloy that has been quenched in moderately agitated oil
(b) A 75-mm (3-in.) diameter cylindrical specimen of a 5140 steel alloy that has been quenched in moderately agitated oil
(c) A 65-mm (2 1/2-in.) diameter cylindrical specimen of an 8620 steel alloy that has been quenched in moderately agitated water
(d) A 70-mm (2 3/4-in.) diameter cylindrical specimen of a 1040 steel alloy that has been quenched in moderately agitated water.

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