Peng, X. and Chang, J., 2001. A microstructure-based analysis for cyclic plasticity of dual-phase pearlitic rail steels. Acta Mechanica Solida Sinica, 14 (4), pp. 334-343.
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Official URL: http://www.springerlink.com/content/njt42566753134...
Based on the assumption that a representative element of a pearlitic steel is an aggregate of numerous spherical pearlitic colonies with randomly distributed orientations, and that each colony is composed of many parallel fine lamellas of ferrite and cementite, a description for the dual-phase pearlitic steel is obtained by making use of a microstructure-based constitutive equation for a single dual-phase pearlitic colony and the Hill's self-consistent scheme. The elastoplastic response of dual-phase pearlitic steel BS11 subjected to asymmetrically cyclic loading is analyzed, and a comparison with the experimental results shows satisfactory agreement. The non-proportional cyclic plasticity of BS11 is also analyzed, in which stress develops along a semi-circle in a biaxial tension/compression and shear stress plane, as is typically experienced by the surface elements in rolling and sliding contact.
|Subjects:||Technology > Manufacturing and Design > Metallurgy and Materials|
|Group:||Media School > National Centre for Computer Animation|
|Deposited By:||INVALID USER|
|Deposited On:||02 Jun 2007|
|Last Modified:||07 Mar 2013 14:40|
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