Stress Intensity Factor Analysis and Fatigue Behavior of a Crack in the Residual Stress Field of Welding / Hiroyuki Terada
- Conference Author:
- Residual Stress Effects on Fatigue and Fracture Testing and Incorporation of Results into Design (2004 : Salt Lake City, UT)
- Physical Description:
- 1 online resource (11 pages) : illustrations, figures, tables
- Additional Creators:
- Terada, Hiroyuki, American Society for Testing and Materials, and ASTM International
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- This paper deals with the behavior of a crack in the residual stress field induced by butt weld in a wide plate. It is known that the distribution pattern of residual stress is similar regardless of welding process, though the size and the magnitude of the residual stress depend largely on the welding process. Stress intensity factor and stress redistribution induced by the crack extension were calculated for a crack with arbitrary length and location. The stress redistributions caused by crack extension obtained by the present analysis showed good agreement with the experimental data. Fatigue crack propagation behavior in the residual stress field reported by Glinka was also examined from the ?K point of view. In this paper, the effect of residual stress on the fatigue crack propagation rate is considered to be the effect of varying mean stress. The concept of ?Keff, where the effect of residual stress is accounted as the correction factor by the way of simple superposition, is shown to predict the crack growth rate with sufficient accuracy.
- Dates of Publication and/or Sequential Designation:
- Volume 2007, Issue 1497 (January 2007)
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- ISBN:
- 9780803162389 (e-ISBN)
9780803144729
0803144725 - Digital File Characteristics:
- text file PDF
- Bibliography Note:
- Includes bibliographical references 12.
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- Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition. - Reproduction Note:
- Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 2007. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
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