Quantitative evaluation of the sheared edge of woven glass epoxy laminate after mechanical punching

Fiber-reinforced composites have a wide range of industrial applications owing to their light weight, high modulus, and good specific strength. Trimming using mechanical punching tool is the fastest way post process fiber-reinforced composites. However, quantitative analyses defects parameters are required analyze damage mechanisms achieve high-quality cut surfaces. In this study, we quantitively investigated on sheared edge woven glass epoxy laminates subjected explored correlations between these key parameters, including punch-die clearance, weave alignment angle, laminate thickness. The results demonstrate necessity considering fiber burr length dimensions cracked area simultaneously evaluate quality surface. This study provides qualitative data interfacial that occur during punching, which will help tailor for polymers obtain smooth