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The objective of this research is to analyze the singular stresses at the tips of cracks in multi-layer woven carbon fiber reinforced polymer (CFRP) composite laminates under tension at cryogenic temperatures. It is assumed that cracks appear in the transverse fiber bundles. We consider both cases where the tips of the cracks are located in the fiber bundles or at the interfaces between two fiber bundles. The generalized plane strain finite element analysis is carried out for the cracked woven CFRP laminates. Numerical results are expressed in terms of the stress intensity factor, and discussed in detail.

131 Singular Stress Fields for Transverse Cracks in Multi-Layer Satin Woven CFRP Composite Laminates under Cryogenic Conditions