The problem of edge cracks in orthotropic materials has received a lot of attention in recent decades. Numerous works have already been reported in this area. As a result, in the current review article, an effort will be made to inspect the edge crack problem in orthotropic material through careful analysis of numerous studies devoted to the finding of driving force parameters such as stress intensity factor (SIF), energy release rate (ERR), thermal stress intensity factor (TSIF), dynamic stress intensity factor (DSIF), and others. In this review article, orthotropic material is defined with examples. The three different positions of edge cracks, namely, horizontal, vertical, and oblique, are briefly described to enhance their general concepts. A variety of articles are explored in this study to provide a better understanding of the interfacial and multiple-edge cracks in orthotropic composites. An attempt has been made to highlight an important fracture phenomenon in edge cracks, namely, delamination. Distinct fracture criteria for orthotropic materials have been discussed in this article. This review study also covers analytical to numerical approaches for estimating the driving force parameters in the case of edge cracks. To elaborate on the fracture mechanism in orthotropic materials, wood and reinforcement isotropic solid (RIS) models are discussed. Finally, this article wraps up with some concluding remarks exploring the scope for some possible future works.
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