Extensive Modeling of High-Temperature Deformation Based on Unified Approach

[+] Author and Article Information
T. Nakamura, Y. Asada

Department of Mechanical Engineering, The University of Tokyo, Tokyo, Japan

J. Pressure Vessel Technol 115(1), 91-92 (Feb 01, 1993) (2 pages) doi:10.1115/1.2929501 History: Received July 09, 1991; Revised September 01, 1992; Online June 17, 2008


A unified inelastic constitutive equation is proposed to describe the cyclic inelastic deformation of 2 1/4Cr-1Mo steel at 550°C. In the present study, an evolution of the overstress is discussed which leads the time-independent term into the inelastic strain rate. A mathematical model is developed and some examples of the numerical simulation are presented.

Copyright © 1993 by The American Society of Mechanical Engineers
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