Dependence of Dynamic Yield Stress of Binary Alloys on the Dislocation Density under High-Energy Impacts

Autor: V. V. Malashenko
Rok vydání: 2020
Předmět:
Zdroj: Physics of the Solid State. 62:1886-1888
ISSN: 1090-6460
1063-7834
DOI: 10.1134/s1063783420100200
Popis: The above-barrier glide of edge dislocations in binary alloys containing Guinier–Preston zones under high-energy impacts was theoretically analyzed. It was shown that the dependence of the yield stress of these alloys on the dislocation density in conditions of high-rate deformation deviates from the Taylor relationship and is a nonmonotonic function with a maximum. The maximum point corresponds to the dislocation density value at which their contribution to the formation of spectral gap becomes predominant.
Databáze: OpenAIRE