Fractographic analysis of microalloyed steel failure in tension and impact loading


UNAL H. I. , ATAPEK Ş. H. , BELELI B. G.

METAL SCIENCE AND HEAT TREATMENT, vol.55, pp.304-308, 2013 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 55
  • Publication Date: 2013
  • Doi Number: 10.1007/s11041-013-9624-6
  • Title of Journal : METAL SCIENCE AND HEAT TREATMENT
  • Page Numbers: pp.304-308

Abstract

Metallographic and fractographic studies of the failure of microalloyed steel grade X42 (type 09G2S) are performed. Microhardness, flow stress, yield strength, elongation, and impact strength are measured. In tension the steel exhibits typical ductile failure at room temperature and cleavage fracture with impact loading. Grain elongation along the rolling direction plays an important role in crack propagation.