A General Approach to the Practical Solution of Creep Problems

Author:

Mendelson A.1,Hirschberg M. H.1,Manson S. S.1

Affiliation:

1. Lewis Research Center, National Aeronautics and Space Administration, Cleveland, Ohio

Abstract

A general method is presented for the solution of creep problems by the use of successive approximations. The method is equally applicable to different creep laws and loading paths. Examples are presented for the creep in a flat plate with a temperature gradient and for several cases of rotating disks. In these disk problems the transient conditions prior to the establishment of steady-state stress distribution are included and shown to have an appreciable effect on the total creep strains. The use of different cumulative creep laws such as the time-hardening and strain-hardening laws are illustrated.

Publisher

ASME International

Subject

General Medicine

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