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1. Basic Properties of Dislocations - (10 points) (a) (2 p) What is cross-slip and why is cross-slip thermally activated
Posted: Thu May 05, 2022 6:13 pm
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- 1 Basic Properties Of Dislocations 10 Points A 2 P What Is Cross Slip And Why Is Cross Slip Thermally Activated 1 (86.92 KiB) Viewed 40 times
1. Basic Properties of Dislocations - (10 points) (a) (2 p) What is cross-slip and why is cross-slip thermally activated? (b) (2p) Why does the onset of cross-slip in fcc metals lead to a decrease in the work-hardening rate? (c) (2 p) Why is cross-slip in general easier in pure metals that in their alloys? (d) (2 p) Why do aliovalent impurities give stronger hardening in ionic crystals than isovalent impurities? (e) (2 p) Why does solution hardening decrease to zero at high temperatures?