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(Solved): 5. A cylindrical specimen of stainless steel having a diameter of \( 12.8 \mathrm{~mm} \) and a ga ...



5. A cylindrical specimen of stainless steel having a diameter of \( 12.8 \mathrm{~mm} \) and a gauge length of \( 50.8 \math

5. A cylindrical specimen of stainless steel having a diameter of \( 12.8 \mathrm{~mm} \) and a gauge length of \( 50.8 \mathrm{~mm} \) is pulled in tension. Use the load-elongation characteristics tabulated below to comnlete narts (a) thronoh \( (\mathrm{f}) \) (a) Plot the data as engineering stress versus engineering strain (b) Compute the modulus of elasticity (c) Determine the yield strength at a strain offset of \( 0.002 \) (d) Determine the tensile strength of this alloy (e) What is the approximate ductility, in percent elongation? (f) Compute the modulus of resilience.


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(a) eng. stress = Load/area L0 = 50.8 mm area=?4×(12.8)2=128.7 ?eng=L?L0L0 stress (Mpa) strain 0 98.6947156868687 197.389431373737 296.084147060606 39
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