SYMPOSIA PAPER Published: 01 January 1981
STP28310S

Consequences of Varying Surface Heat Transfer Coefficients, Material Properties, and Cyclical Ambient Temperatures upon Stress Intensity Factors for Edge Cracks

Source

Stress intensity factors were calculated for an edge crack subjected to time varying surface heat transfer coefficients and to cyclical ambient temperatures. Both constant and varying material properties were used and values of KI are presented as functions of crack depth and time. Substantial changes in the maximum values of KI were noted for these different cases. In general, quench tests with specimens whose material properties increase with temperature show much lower values of KI than do specimens with material properties which are either constant or decrease with temperature.

Author Information

Emery, AF
University of Washington, Seattle, Wash.
Kobayashi, AS
University of Washington, Seattle, Wash.
Bieler, TR
University of Washington, Seattle, Wash.
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Details
Developed by Committee: E08
Pages: 257–272
DOI: 10.1520/STP28310S
ISBN-EB: 978-0-8031-4811-6
ISBN-13: 978-0-8031-0731-1