Explain Young's Modulus or Modulus of elasticity?

Sol. : It is ratio between tensile stress and tensile strain or compressive stress and compressive strain. It can be denoted by E. It is same as modulus of elasticity

E  =  σ/e [ σ_t/e_t  or σ_c/e_c]

S.No.	Material	Young's Modulus(E)
1	Mild steel	2.1 × 105  N/mm2
2	Cast Iron	1.3 × 105  N/mm2
3	Aluminium	0.7 × 105  N/mm2
4	Copper	1.0 × 105  N/mm2
5	Timber	0.1 × 105  N/mm2

The percent error in calculation of Young's modulus is: [(E₁  - E₂)/E₁] × 100

 

Posted Date: 10/20/2012 7:41:41 AM | Location : United States

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