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RESEARCH PAPERS

Multiaxial Stress Rupture Testing and Compendium of Data for Creep Resisting Steels

[+] Author and Article Information
R. J. Browne, D. Lonsdale, P. E. J. Flewitt

Central Electricity Generating Board, Scientific Services Department, Scientific Services Centre, Gravesend, Kent DA12 2SW, England

J. Eng. Mater. Technol 104(4), 291-296 (Oct 01, 1982) (6 pages) doi:10.1115/1.3225079 History: Received June 01, 1982; Online September 15, 2009

Abstract

Recently, there has been an increasing need for more accurate methods of predicting the life of components operating in the creep range. Although many such components are invariably subject to multiaxial stress systems, present life estimation methods utilize available uniaxial creep rupture data via a representative stress for the component. This stress is usually empirically derived and in many cases leads to undue conservatism in life estimates because no account is taken of the creep and rupture response of the material to multiaxial stresses. This paper reviews the various multiaxial stress rupture test techniques which have been employed to determine the multiaxial stress rupture criterion. The multiaxial stress rupture data available in the literature for some commonly used creep resisting steels are compiled and discussed.

Copyright © 1982 by ASME
Topics: Creep , Steel , Stress , Testing , Rupture
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