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Hardening Mechanism in Steel

Hardening Mechanism in Steel. ‘ Interstitial ’ solid solution is substantial Strain hardening Martensite is hard. (0.4 wt% C steel). Iron or Non-Ferrous Alloys (1). • ‘Substitutional’ solid solution • Diffusionless process • Solid solution is hard to occur

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Hardening Mechanism in Steel

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  1. Hardening Mechanism in Steel ‘Interstitial’ solid solution is substantial Strain hardening Martensite is hard (0.4 wt% C steel)

  2. Iron or Non-Ferrous Alloys (1) • ‘Substitutional’ solid solution • Diffusionless process • Solid solution is hard to occur Martensite is not hard

  3. Iron or Non-Ferrous Alloys (2) • Structural change - More closed packing • More slip planes More ductile

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