NASA NTRS · 19730052786
A simple method for studying slow crack growth.
Abstract
A simple, inexpensive method for studying slow crack growth is described. The method entails measurements of load relaxation at constant displacement using a double torsion specimen. It is demonstrated that the data generated using this technique are in excellent agreement with data obtained using the more complex conventional techniques, for a range of materials - steel, titanium, glass, aluminum oxide, PMMA. These encouraging initial results suggest that additional and more detailed studies using this test procedure are merited.
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Williams, D. P., Evans, A. G.. 1973-07-01. A simple method for studying slow crack growth.. https://ntrs.nasa.gov/citations/19730052786
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