A Method for Measuring the Orientation of Carbon Fiber Weave

Abstract

The quality of fiber weave material is highly affected by the fiber orientation. This characteristic becomes obviously when we compare the composite laminates materials in different orientations of the same braiding mode, which leads to the anisotropy of the material mechanical properties. In this work, we propose a concise and efficient method for measuring the fiber orientation on plain weave carbon fiber and 2-D carbon fiber braided composites with angles. Our image acquisition method is making use of the phenomenon that the carbon fiber material has strong light specular reflection, image fusion algorithm perfect the texture of reflective part. Using image processing and computational geometry techniques to calculate the orientation. The results calculated are efficiency for fiber orientations with a remarkably stability. The method was built pure carbon fiber weave, with some small parameters tuning, it can be effectively applied to most plain weave carbon fiber and 2-D carbon fiber braided composites with angles.