Property of Materials

Stress-strain curve 

    


https://byjus.com/jee/modulus-of-elasticity/

Zone 1 - Area of Elasticity

Young's modulus 

        Stress/Strain in elastic zone.

        Measures stiffness of material.

        Higher the Young's modulus, steeper the slope + higher the stiffness. 


what happens after proportional limit ?

        after this material elongates.


what is ultimate strength ?

        it is the point of maximum stress. Stress gradually reduces as strain increases.

what happens after fracture point?

        material fails. Area under the curve is energy of failure.

what is plastic zone ?

        material does not regain its original length when load applied. 


        

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