Tensile Fracture Behaviour of Thin G550 Sheet Steels

摘要

This document reports on the failure mechanisms, as well as the fractureproperties of G550 sheet steels tested in tension. Descriptions of failure surfaces, which were observed through a scanning electron microscope are provided. The failure behavior of perforated and solid coupon specimens is documented, the fracture resistance of G550 sheet steels is measured for a range of temperatures and a numerical study of the effect of cracks on structural performance in the elastic load range is completed using the FRANC2D finite element computer program.