a) Briefly discuss how plastic deformation occurs in crystalline materials. Discuss the important methods of strengthening...

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Mechanical Engineering

a) Briefly discuss how plastic deformation occurs in crystallinematerials. Discuss the important methods of strengthening used in(i) cold rolled 1018 steel, (ii) 2024Al alloy in T6 heat treatedcondition, (iii) brasses, and (iv) quenched and tempered 1045steel.

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As applied stress increases the HookesH Law of proportionality is no longer valid and deformation stars to become plastic causing permanent plastic strain In crystalline material plastic deformation generally takes place due to glide on slip planes along certain slip direction Slip is the prominent mode of plastic deformationIt involves sliding of blocks of crystals over each other along certain See Answer

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