Question
Given copper and PVC pipe segments analyze which pipe is morelikely to fail in the modes of Compression, Tension,Shear, Bending, and Buckling. Both pieces are the samesize.
Material Properties
Copper
Weight Density (γ)- 87 kN/m3
Mass Denisty (ρ)- 8,900 kg/m3
Modulus of Elasticity (E)- 115 GPa
Shear Modulus of Elasticity (G)- 45GPa
Yield Stress (σy)- 400 MPa
Ultimate Stress (σu)- 500 MPa
Coefficient of thermal expansion (α)- 17*10-6 C
Percent elongation (2in. gage length)- (4-50%)
Poisson ratio(v)- 0.34
PVC (Plastic)
Weight Density (γ)- 11kN/m3
Mass Denisty (ρ)- 1000 kg/m3
Modulus of Elasticity (E)- 1 GPa
Ultimate Stress (σu)- 20 MPa
Percent elongation (2in. gage length)- (15-300%)
Poisson's ratio (v)- 0.4