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Metals have large value of young's modulus than elastomer.is it true or false with explanation?
Metals have large value of young's modulus than elastomer.Is it true or false with explanation?
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Abhijeet Gaurav Best Answer
It is True that Metals have large value of Young's Modulus than Elastomers. For a given stress, the strain in rubber is more than it is in steel. Young’s modulus,For a constant stress: Hence, Young’s modulus for rubber is less than it is for steel. Shear modulus is the ratio of the applied stress to the change in the shape of a body. The stretching of a coil changes its shape. Hence, shear modulus of elasticity is involved in this process. A stiffer material has a greater Young's modulus E. With respect to brittleness, it is about the type of material and its related strength. In comparison with ductile material under load, brittle material has a relatively shorter plastic deformation and responds dominantly by the elastic deformation.