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A study of crack closure in fatigue

✍ Scribed by T.T. Shih; R.P. Wei

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
991 KB
Volume
6
Category
Article
ISSN
0013-7944

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πŸ“œ SIMILAR VOLUMES

A model for fatigue crack closure
A model for fatigue crack closure
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The phenomenon of fatigue crack closure has attracted continued interest over recent years. This paper concerns itself with one aspect of the phenomenon namely the effects of a single asperity on the crack face close to the crack tip and under dominantly plane strain Mode 1 loading conditions. The m

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The plane strain, fatigue crack problem in which fracture surface asperities prevent closure is considered. A model in which closure contact can develop on a distribution of asperities is introduced. A comparison of closure behavior for one and for two asperities is made, and the effects of variatio

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✍ F.J. Pitoniak; A.F. Grandt; L.T. Montulli; P.F. Packman πŸ“‚ Article πŸ“… 1974 πŸ› Elsevier Science 🌐 English βš– 535 KB

Abstraet-The presented results are from an investigation of crack surface profiles and the influence of intermittent overloads on fatigue crack growth in polymethylmethacrylate, a transparent polymer. Fatigue cracks were grown in compact tension specimens under conditions of constant range in stress

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The objective of this study was to compare closure data obtained on the same specimen with crack tip compliance gage and electric potential techniques. Equivalent results on closure using the two techniques were obtained on 7075-T651 aluminum center cracked panels. The results also indicated that cl