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Local crack tip strain behavior during fatigue crack initiation and propagation in polycarbonate

โœ Scribed by A. Shimamoto; E. Umezaki

Publisher
Sage Publications
Year
1999
Tongue
English
Weight
605 KB
Volume
39
Category
Article
ISSN
0014-4851

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A progressive crack-tip strain approach to fatigue crack propagation is presented. Localstrain damage accumulation curve for crack initiation is used as a "cyclic damage accumulation" and "fracture criterion" in the heavily deformed region, R,?, just adjacent to the crack-tip. The changes of cyclic

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The micromechanisms of fatigue fracture in bone cements were explored and characterized in this investigation. Fatigue crack initiation sites were identified and the microscopic features responsible for crack initiation are illustrated. Differences in the fracture morphology of PMMA beads, in early