Stress analysis of the strain rate hardening materials in axially symmetric field |
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Authors: | Y. S. Lee M. R. Patel G. J. Bohm |
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Affiliation: | Nuclear Energy Systems, Westinghouse Electric Corporation, Pittsburgh, PA 15230, U.S.A. |
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Abstract: | This paper presents an analysis of a circular hollow cylinder composed of strain rate hardening plastic material subjected to a sudden internal pressure loading. Materials satisfying the constitutive relation, and Levy-Mises equation are considered in the analysis. Dynamic and static analyses of axially symmetric material loaded under plane strain condition are described. The paper discusses the effect of strain rate hardening exponent, m, on the dynamic and static plastic response in the axially symmetric medium. A method is presented for the determination of the strain rate hardening exponent by measuring the hoop stress on the outer surface of a thin cylindrical specimen using the static solution. |
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