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Abstract: A mathematical formula for the relation between resistance
curve of crack extension and sample thickness is obtained in fracture
mechanics, which is based on the theoretical resistance curve of crack
extension provided in a previous work. Some parameters in the formula
are made certain in the least square method by using a few of test
results. Finally, the mathematical expression is verified by adopting
some test results and it will supplement data to the current handbook
which has been short of test data.
Key words: Crack growth Resistance curve Sample thickness
CLC No: O346.1
教育部博士点基金资助项目(1999000607). Received
20020319, received in revised form 20030118
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