Paper Title:
The Triple-Shear Unified Yield Criterion and its Applications
  Abstract

By taking account of the functions of shear stress couples acting on the dodecahedron element, a triple-shear unified yield criterion for materials is proposed to interpret a series of criteria, especially the commonly used criteria such as the Tresca’s yield criterion, the Von Mises’s yield criterion and the Mohr-Coulomb’s failure criterion through changing its contributive coefficient of the intermediate principal shear stress couples b and the tensile to compressive yield limit ratio α . In spite of that, problems of the limit inner pressures for thin and thick-wall cylinders are analyzed and the new unified solutions are deduced under the hypothesis of the perfectly elasto-plastic materials. The classical solutions based on the Tresca’s yied criterion, the Von Mises’s yield criterion and the Mohr-Coulomb’s failure yield criterion are only the special cases of the new unified solutions. Detailed analyses show that both the contributive coefficient of the intermediate principal shear stress couples b and the tensile to compressive yield limit ratio α have influences on the limit inner pressures for thin and thick-wall cylinders

  Info
Periodical
Chapter
Chapter 2: Monitoring and Control of Structures
Edited by
Xuejun Zhou
Pages
1129-1140
DOI
10.4028/www.scientific.net/AMM.94-96.1129
Citation
X. R. Hu, X. M. Fan, "The Triple-Shear Unified Yield Criterion and its Applications", Applied Mechanics and Materials, Vols. 94-96, pp. 1129-1140, 2011
Online since
September 2011
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Price
$32.00
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