Notched Strength and Fracture Criterion in Fabric Composite Plates Containing a Circular Hole
作者： Jung-Kyu Kim , Do-Sik Kim , Nobuo Takeda
DOI: 10.1177/002199839502900706
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摘要: The effects of the hole size and specimen width on fracture behavior several woven fabric composite plates are experimentally investigated in tension. It is shown this paper that characteristic length (do) Point Stress Criterion (PSC) depends width. A modified PSC for predicting notched strength proposed. An excellent agreement found between experimental results analytical predictions using PSC. When unstable occurred, equivalent critical crack (ac) corresponding to damage zone about twice length. decreases with an increase strength. energy release rate (Gc) criterion independent same Gc increases These can be explained by correlation notch sensitivit...
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