A specimen of a methacrylate plastic is tested in tension at room temperature (see figure), producing the
Question:
Plot the stress-strain curve and determine the proportional limit, modulus of elasticity (i.e., the slope of the initial part of the stress-strain curve), and yield stress at 0.2% offset. Is the material ductile or brittle?
Transcribed Image Text:
STRESS-STRAIN DATA FOR PROBLEM 1.3-6 Stress (MPa) Strain 8.0 17.5 25.6 31.1 39.8 44.0 48.2 53.9 58.1 62.0 62.1 0.0032 0.0073 0.0111 0.0129 0.0163 0.0184 0.0209 0.0260 0.0331 0.0429 Fracture
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