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中文核心期刊
EXPERIMENTAL GH SINGULARITY FIELD AROUND GROWING CRACK TIP[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(5): 606-616. DOI: 10.6052/0459-1879-1991-5-1995-883
Citation: EXPERIMENTAL GH SINGULARITY FIELD AROUND GROWING CRACK TIP[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(5): 606-616. DOI: 10.6052/0459-1879-1991-5-1995-883

EXPERIMENTAL GH SINGULARITY FIELD AROUND GROWING CRACK TIP

  • The displacement fields ux,uy of growing crack tip for LY12-M material specimens with double edge cracks are measured using Moire method. The experimental singularity fields are compared with GH theoretical field. The size and shape of the experimental GH singularity fields are obtained. The di screpancy of experiment and theory is within ±10%. The experiments show thatthere is (InA/r)α+1 singularity dominant around growing crack tip. The shape of thisregion of dominant singularity are batterfly wing, then ...
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