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The effect of temperature and strain rate on the flow stress of iron

✍ Scribed by H. Conrad; S. Frederick

Publisher
Elsevier Science
Year
1962
Weight
733 KB
Volume
10
Category
Article
ISSN
0001-6160

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✦ Synopsis

Still unresolved is the question regarding the mechanism which controls the velocity of free dislocations in b.c.c. metals and is thus responsible for the strong temperature dependence of the yield and flow stress. Three mechanisms have been proposed : 1. Overcoming the Peierls-Nabarro force.(31435) 2. Non-conservative motion of jogs in screw dislocations.@)

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