Question: Determine the hardness and the microstructure at the center of a 1.5-in. diameter 1080 steel bar produced by quenching in (a) Unagitated oil; (b) Unagitated

Determine the hardness and the microstructure at the center of a 1.5-in. diameter 1080 steel bar produced by quenching in
(a) Unagitated oil;
(b) Unagitated water; and
(c) Agitated brine.

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