Discontinuous Extension of Fracture in Elastic-Plastic Deformation Field

MP Wnuk

doi:10.1520/STP37292S

SYMPOSIA PAPER Published: 01 January 1983

STP37292S

Discontinuous Extension of Fracture in Elastic-Plastic Deformation Field

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A procedure is developed whereby slow crack growth can be analyzed, and predictions are made regarding the transition from stable to spontaneous fracture in solids which are not susceptible to the linear elastic fracture mechanics formalism. Emphasis is placed on discerning the limit modes of fracture: cleavage versus tearing. These two extremes of material behavior, a very brittle one and a very ductile one, are described as certain limiting cases resulting from a single mathematical model. Certain numerical examples involving microstructural parameters are given to illustrate the use of the newly introduced quantities in analysis and in data reduction pertaining to the early stages of fracture.

Author Information

Wnuk, MP

The University of Wisconsin, Milwaukee, Wis.

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Details

Developed by Committee: E08

Pages: I-159–I-175

DOI: 10.1520/STP37292S

ISBN-EB: 978-0-8031-4869-7

ISBN-13: 978-0-8031-0727-4

Discontinuous Extension of Fracture in Elastic-Plastic Deformation Field

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