4ENT1134-Civil Engineering Materials 1 Unit 2: Materials Properties Stress-Strain, Hooke's Law, Poisson Ratio Problem 1 A...
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4ENT1134-Civil Engineering Materials 1 Unit 2: Materials Properties Stress-Strain, Hooke's Law, Poisson Ratio Problem 1 A composite plastic specimen is tested in tension at room temperature, producing the stress-strain data listed in the table below. Plot the stress-strain curve and determine modulus of elasticity and yield stress. How do you classify the material, brittle or ductile? Stress (MPa) Strain 8.0 0.0032 17.5 0.0073 25.6 0.0111 31.1 0.0129 39.8 0.0163 44.0 0.0184 48.2 0.0209 53.9 0.0260 58.1 0.0331 62.0 0.0429 62.1 Fracture 4ENT1134-Civil Engineering Materials 1 Unit 2: Materials Properties Stress-Strain, Hooke's Law, Poisson Ratio Problem 1 A composite plastic specimen is tested in tension at room temperature, producing the stress-strain data listed in the table below. Plot the stress-strain curve and determine modulus of elasticity and yield stress. How do you classify the material, brittle or ductile? Stress (MPa) Strain 8.0 0.0032 17.5 0.0073 25.6 0.0111 31.1 0.0129 39.8 0.0163 44.0 0.0184 48.2 0.0209 53.9 0.0260 58.1 0.0331 62.0 0.0429 62.1 Fracture
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