We plot the engineering stress-strain curve (green) for a metal that is cold worked at room...
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We plot the engineering stress-strain curve (green) for a metal that is cold worked at room temperature at a %CW rate of 24% then annealed for one hour at 600 °C. Highlight the corresponding curve for the cold worked metal and heat-treated cold worked metal. Explain the effect of cold working and annealing of cold worked metals on their mechanical properties in terms of structure change. Stress (MPa) 600 500 400 300 200 100 0.05 0.1 0.15 0.2 Strain 0.25 Answer: Red curve: Blue curve: Explanation: We plot the engineering stress-strain curve (green) for a metal that is cold worked at room temperature at a %CW rate of 24% then annealed for one hour at 600 °C. Highlight the corresponding curve for the cold worked metal and heat-treated cold worked metal. Explain the effect of cold working and annealing of cold worked metals on their mechanical properties in terms of structure change. Stress (MPa) 600 500 400 300 200 100 0.05 0.1 0.15 0.2 Strain 0.25 Answer: Red curve: Blue curve: Explanation:
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Related Book For
Fundamentals of Materials Science and Engineering An Integrated Approach
ISBN: 978-1118061602
4th Edition
Authors: David G. Rethwisch
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