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RESEARCH PAPERS

Fatigue Crack Growth in Type 316 Stainless Steel at High Temperature

[+] Author and Article Information
P. Shahinian, H. H. Smith, H. E. Watson

Metallurgy Division, Naval Research Laboratory, Washington, D. C.

J. Eng. Ind 93(4), 976-980 (Nov 01, 1971) (5 pages) doi:10.1115/1.3428092 History: Received February 09, 1971; Online July 15, 2010

Abstract

The dependence of fatigue crack growth rates on range of stress intensity factor (ΔK) in Type 316 stainless steel was investigated over the temperature range of 75 to 1100 deg F. The data for the most part could be described by a power law relationship. An increase in temperature generally increased crack growth rate for a given ΔK and decreased fatigue life. The dependence of crack growth rate on temperature is not described adequately by an Arrhenius relation over the range investigated. On the other hand, by normalizing ΔK with respect to Young’s modulus, E, the crack growth rates for the various temperatures tend to fall within a single band.

Copyright © 1971 by ASME
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