NDLI: Analysis for twinning and slip in face-centered cubic crystals under axisymmetric co-deformation

Content Provider	Springer Nature Link
Author	Chen, Zhiyong Cai, Hongnian Zhang, Xinming Wang, Fuchi Tan, Chengwen
Copyright Year	2006
Abstract	The maximum work principle of Bishop-Hill was developed to analyze the axisymmetric co-deformation in face-centered cubic crystals (f.c.c.) for twinning on {111}〈112〉 and slip on {111}〈110〉 systems. The influence of ξ, the ratio of critical resolved shear stress for twinning to slip, on the yield stress states and corresponding active slip or/and twinning systems for orientations in the standard stereographic triangle of cubic crystal was investigated systematically. The Taylor factors and the anisotropy of yield strength for three important orientations [100], [110] and [111] in orientation space were analyzed. It is found that the yield strength asymmetry for the case of axisymmetric deformation of tension and compression can be explained based on the microscopic theory of crystal plasticity. The concept of orientation factor for twinning ability was proposed and the deformation mechanism map in the orientation space was established for the case of axisymmetric deformation. The deformation texture formation and development of f.c.c. crystals with low stacking fault energy for axisymmetric tension can be explained qualitatively on the basis of analyzed results.
Starting Page	521
Ending Page	536
Page Count	16
File Format	PDF
ISSN	10069321
Journal	Science in China Series E: Technological Sciences
Volume Number	49
Issue Number	5
e-ISSN	1862281X
Language	English
Publisher	Science in China Press
Publisher Date	2006-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	twinning slip face-centered cubic crystals axisymmetric co-deformation Bishop-Hill maximum work principle yield strength anisotropy Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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