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The prediction of the crack-opening behavior of part-through fatigue cracks under the influence of surface residual stresses

✍ Scribed by J.E. Hack; K.S. Chan; J.W. Cardinal

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
704 KB
Volume
21
Category
Article
ISSN
0013-7944

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✦ Synopsis

crack opening behavior of part-through fatigue cracks is modeled using a three-dimensional boundary integral analysis. The predictions show excellent agreement with observed behavior for a comer crack in a Ti-6A14V specimen with and without the presence of compressive surface residual stresses. Also, the analysis predicts a lenticular crack opening through-the-thickness when compressive surface stresses are present. The implications of this result for future studies are discussed.

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