(Received 8 June 1998; accepted 9 December 1998)
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A numerically generated expression to determine crack length in a compact tension specimen from back-faced strain compliance is presented. The numerically generated back-faced strain expression is bounded by two experimentally determined expressions previously published in the literature. Additionally, stress intensity factor and crack-mouth opening expressions are determined. These expressions agree well with previously published results.
U.S. DOT/Volpe Center, Cambridge, MA
NASA Langley Research Center, Hampton, VA
Stock #: JTE12057J