SYMPOSIA PAPER Published: 01 January 1981
STP33453S

An Evaluation of the Round Compact Specimen for Fatigue Crack Growth Rate Testing

Source

A proposed round compact specimen was evaluated for its suitability for fatigue crack growth rate testing. The results were compared with results from standard compact specimens [per ASTM Tentative Test Method for Constant-Load-Amplitude Fatigue Crack Growth Rates Above 10−8 m/Cycle (E 647-78 T)], and the two specimens were found to yield equivalent results. A number of K-solutions have also been proposed for the round compact specimens, and these are reviewed. The agreement between the various solutions was quite good, and the Newman Equation was used to evaluate the present results.

Author Information

James, LA
Westinghouse Hanford Company, Richland, Wash.
Mills, WJ
Westinghouse Hanford Company, Richland, Wash.
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Details
Developed by Committee: E08
Pages: 70–82
DOI: 10.1520/STP33453S
ISBN-EB: 978-0-8031-4804-8
ISBN-13: 978-0-8031-0717-5