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1 August 1988 Optical Analysis Of HRR Field
F. P. Chiang, T. V. Hareesh, B. C. Liu, S. Li
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Optical Engineering, Vol. 27, Issue 8, 278625 (August 1988). https://doi.org/10.1117/12.7976733
Abstract
This paper examines the experimental u1, u2, and u3 displacements obtained in the vicinity of a plastically deformed crack tip in different work hardening materials in the background of the Hutchinson-Rice-Rosengren (HRR) field equations. It is shown that the two-dimensional plane stress solution breaks down in the immediate vicinity of the crack tip because of the three-dimensional nature of the deformations due to finite plate thickness. This "inner limit" seems to vary from 0.75 to 1.5 times the thickness with directional dependence. Some light is also shed on the "outer limit" of HRR equations, beyond which the theory ceases to be valid under the influence of the surrounding elastic field or the physical boundary of the plate or a combination of both.
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F. P. Chiang, T. V. Hareesh, B. C. Liu, and S. Li "Optical Analysis Of HRR Field," Optical Engineering 27(8), 278625 (1 August 1988). https://doi.org/10.1117/12.7976733
Published: 1 August 1988
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