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Extent to Which Material Properties Control Fatigue Failure at Elevated Temperatures / J. Wareing, B. Tomkins, G. Sumner

Conference Author
Fatigue at Elevated Temperatures (1972 : Storrs, Connecticut)
Physical Description
1 online resource (16 pages) : illustrations, figures, tables
Additional Creators
Sumner, G., Tomkins, B., Wareing, John, American Society for Testing and Materials, and ASTM International
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Summary
Fatigue failure at room temperature in most structural metals and alloys occurs by the rapid initiation and subsequent controlled propagation of a surface crack. Propagation is transgranular and is controlled to a large extent by continuum plasticity effects ahead of the crack. With increasing temperature, other factors affect this simple fatigue process; namely, the weakening of grain boundaries leading to intergranular propagation, the initiation and growth of other cracks in the bulk of the material by creep processes, and the more rapid oxidation effects which can occur at elevated temperatures. This paper shows the extent to which continuum material properties still control fatigue failure in elevated temperature situations, by reference to recently developed theories and the observed fatigue behavior of a stainless steel and a magnesium alloy over a range of temperatures (up to 0.73 Tm) and strain rates. The influence of secondary creep fracture is examined in the light of results of holdtime tests.
Dates of Publication and/or Sequential Designation
Volume 1973, Issue 520 (January 1973)
Subject(s)
Other Subject(s)
ISBN
9780803155763 (e-ISBN)
9780803155282
080315528X
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 11.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1973. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
View MARC record | catkey: 28009612