(a)
Interpretation:
The material with larger work hardening exponent needs to be determined.
Concept Introduction:
Work hardening is the plastic deformation process in which metal or polymer is formed by strengthening.
(b)
Interpretation:
Samples 1 and 2 are similar then the sampl tested at a higher strain rate needs to be determined.
Concept Introduction:
Strain rate is deformation of the material with respect to time. The effect of strain rate is more in non-uniform material than uniform material.
(c)
Interpretation:
Consider two stress-strain curves having a successive test of identical sample. The sample was located then it is unloaded before the beginning of necking thus, again sample was related, The sample that represents the first test needs to be determined.
Concept Introduction:
Necking is the process in which tensile deformation takes place on a smaller cross-section of a part which results in a decrease in cross-sectional area of that particular section causing neck formation.
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Chapter 8 Solutions
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