Creep Deformation and Failure: Effects of Randomness and Scatter

Author:

Harlow D. G.1,Delph T. J.1

Affiliation:

1. Department of Mechanical Engineering & Mechanics, Lehigh University, Bethlehem, PA 18015

Abstract

A notable feature of replicated creep and creep-rupture data is the considerable amount of statistical scatter present. The existence of this scatter leads to substantial uncertainties in the predictions of creep deformation and failure. In this paper, we review the experimental evidence in this regard. We then survey recent efforts to construct models of creep deformation and rupture that include one or more aspects of this randomness. [S0094-4289(00)01703-5]

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference40 articles.

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2. Garafalo, F., Whitmore, R. W., Domis, W. F., and von Gemmingen, F., 1961, “Creep and Creep-Rupture Relationships in an Austenitic Stainless Steel,” Trans. Metall. Soc. AIME, 221, pp. 310–319.

3. BSCC High Temperature Data, 1973, Iron and Steel Institute, London.

4. Evans, M. , 1994, “A Statistical Analysis of the Failure Time Distribution for ½ Cr-½ Mo- ¼ V Steel Tubes in the Presence of Outliers,” Int. J. Pressure Vessels Piping, 60, pp. 193–207.

5. Booker, M. K., Booker, B. L. P., and Swindeman, R. W., 1982, “Analysis of Elevated-Temperature Tensile and Creep Properties of Normalized and Tempered 2¼ Cr-1 Mo Steel,” Advanced Materials for Pressure Vessel Service with Hydrogen and High Temperatures and Pressures, Semchysen, M., eds. Am. Soc. Mech. Eng., pp. 273–286.

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