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6. The figure below shows true stress-true strain plots for two metal samples which undergo cold-working. Which one will have a greater increase in its yield strength for the same amount of cold-work? (The sample with the dotted curve or solid curve behavior?) Why? OTA → ET 7. What failure mechanism comes into play at relatively high temperatures? 8. What failure mechanism occurs due to repeated stress at relatively low stress values?

6. The figure below shows true stress-true strain plots for two metal samples which undergo cold-working. Which one will have a greater increase in its yield strength for the same amount of cold-work? (The sample with the dotted curve or solid curve behavior?) Why? OTA → ET 7. What failure mechanism comes into play at relatively high temperatures? 8. What failure mechanism occurs due to repeated stress at relatively low stress values?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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6. The figure below shows true stress-true strain plots for two metal samples which undergo cold-working. Which one will have a greater increase in its yield strength for the same amount of cold-work? (The sample with the dotted curve or solid curve behavior?) Why? OTA → ET 7. What failure mechanism comes into play at relatively high temperatures? 8. What failure mechanism occurs due to repeated stress at relatively low stress values?
Transcribed Image Text:6. The figure below shows true stress-true strain plots for two metal samples which undergo cold-working. Which one will have a greater increase in its yield strength for the same amount of cold-work? (The sample with the dotted curve or solid curve behavior?) Why? OTA → ET 7. What failure mechanism comes into play at relatively high temperatures? 8. What failure mechanism occurs due to repeated stress at relatively low stress values?
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