An In-Plane Bending Test to Characterize Edge Ductility in High-Strength Steels

Abstract A novel in-plane bending test was used to study edge ductility in DP800 as a common advanced high-strength steel the car industry. The utilized digital image correlation technique measure local and average fracture strain values along of specimen. In contrast widely hole expansion capacity test, impact punch friction, contact stress, out-of-plane on is eliminated by removing punch. Also, gradient inherent beam provides controlled crack propagation path, making tracking easier than sheared tensile test. proposed investigate influence material orientation, cutting parameters, global strain. observed between ductility, tool sharpness, while independent gradient. outcome shows that reliable for determining any desired orientation.