Plastic deformation at the top of a stopped crack

Yu. I. Tyalin; V. A. Tyalina; D. V. Zolotova; A. A. Butyagin

doi:10.1117/12.726780

10 April 2007 Plastic deformation at the top of a stopped crack

Yu. I. Tyalin, V. A. Tyalina, D. V. Zolotova, A. A. Butyagin

Proceedings Volume 6597, Nanodesign, Technology, and Computer Simulations; 65970U (2007) https://doi.org/10.1117/12.726780
Event: Nanodesign, Technology, and Computer Simulations, 2006, Olsztyn, Poland

Abstract

The plastic zone was represented by a line or a set of lines of sliding to planes, disposed to the plane of the crack under angle of π/4. Two stages of formation dislocation structure at the top of the crack were studied. Firstly, the formation of sliding lines at the top of a stopped crack was studied, when the crystal was loaded. Second, their evolution was investigated after the loading had been taken away. On second stage, the part of dislocations leaves on the plane of a crack under action of forces of mutual pushing and the image, the part of convertible plasticity can reach half from the total number of dislocations.

Citation Download Citation

Yu. I. Tyalin, V. A. Tyalina, D. V. Zolotova, and A. A. Butyagin "Plastic deformation at the top of a stopped crack", Proc. SPIE 6597, Nanodesign, Technology, and Computer Simulations, 65970U (10 April 2007); https://doi.org/10.1117/12.726780

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