Question: A 1.5-cm-diameter metal bar with a 3-cm gage length I0 is subjected to a tensile test. The following measurements are made: Determine the strain-hardening coefficient

A 1.5-cm-diameter metal bar with a 3-cm gage length I0 is subjected to a tensile test. The following measurements are made:

A 1.5-cm-diameter metal bar with a 3-cm gage length I0

Determine the strain-hardening coefficient for the metal. Is the metal most likely to be FCC, BCC, or HCP? Explain.

Force (N) 16,240 19.066 19.273 Change in Gage Length (1)(cm) 0.6642 1.4754 2.4663 Diameter (cm) 1.2028 1.0884 0.9848 cin

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