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The permanent mode of deformation of a material known as _____________

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The permanent mode of deformation of a material known as _____________

(a) Elasticity

(b) Plasticity

(c) Slip deformation

(d) Twinning deformation

The question was posed to me in final exam.

My doubt is from Mechanical Properties topic in division Properties of Engineering Materials of Engineering Material & Metallurgy

1 Answer

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The correct option is (b) Plasticity

The explanation is: Plasticity is defined as the property of a material due to which it is permanently deformed due to loading. Elasticity is the temporary form of deformation. Twinning and Slip are mechanisms of Plastic deformation.

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