Crack-Tip Behavior in Fiber/Metal Laminates by Means of Digital-Image Correlation

摘要

This paper presents the study on the crack-tip behavior in fiber/metal laminates under static loading. The effect onnthe strain field due to the variation of layup and fiber/preimpregnated has been analyzed. The strain field has beennmeasured using digital-image correlation and evaluated by comparing it with the strain field predicted with finite-nelement analysis, which provided information about the interlaminar shear mechanisms. In addition, the paperndemonstrates the power of the digital-image correlation technique for in situ strain measurements, offering newninsight into the damage mechanisms that prevail in fiber/metal laminates under static loading.