Hardness - Hardening

Hardening

There are five hardening processes: Hall-Petch strengthening, work hardening, solid solution strengthening, precipitation hardening, and martensitic transformation.

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Famous quotes containing the word hardening:

    “With sixty staring me in the face, I have developed inflammation of the sentence structure and definite hardening of the paragraphs.”
    —James Thurber (1894–1961)