Strain rate-dependent anomalous work hardening of a single-crystalline coni-base superalloy

HIGHLIGHTS

• who: J. Vollhu00fcter from the (UNIVERSITY) have published the article: Strain Rate-Dependent Anomalous Work Hardening of a Single-Crystalline CoNi-Base Superalloy, in the Journal: (JOURNAL)
• what: The reduced energy barrier for Shockley partial dislocations to shear the cu00a2 precipitates at adjacent planes is the main reason for the reduced strength.[22-24,26,31] While the thickening of twins at the sample deformed with the lower strain rate leads to negative work hardening rates, the increasing stacking fault density leads to higher work hardening rates for the higher strain rate.
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