Why can two steel alloys with identical carbon content exhibit the same hardness at the quenched end during a Jominy end-quench test, but significantly different hardness profiles inward?

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Physics · Heat Treatment and Hardenability

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Alloying elements delay diffusional transformations during cooling

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Answer 1

Alloying elements delay diffusional transformations during cooling

Answer 2

Grain size variation dominates hardness near the surface

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