Concept of stress and strain

1. All mechanical properties:

torsion

shear 

compression

tensile...}

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Elastic and plastic deformation

1. Types of deformation :

elastic deformation 

plastic deformation

2.Im...}

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Elasticity, ductility, tensile strength

1. important equations

Lateral strain=\(\frac{d_i-d_\circ}{d_\circ}\)

Axial strain=...}

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Graph of brittle and ductile material

1.(Toughness)\(_{brittle}\)=\(\int^\epsilon_0f \sigma d\epsilon\)=area of OAB

(Toughness)\...}

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