Influence of sulfide inclusion on ductility and fracture behavior of resulfurized HY-80 steel
作者： D. K. Biswas , M. Venkatraman , C. S. Narendranath , U. K. Chatterjee
DOI: 10.1007/BF02647331
关键词: Materials science 、 Sulfide 、 Stress–strain curve 、 Ductility 、 Microstructure 、 Microvoid coalescence 、 Metallurgy 、 Charpy impact test 、 Fracture (geology) 、 Toughness
摘要: The influence of sulfide inclusions on the ductile fracture process experimental HY-80 steels having graded sulfur levels from 50 to 500 ppm and heat-treated different strength was studied with respect mechanical properties, namely, tensile ductility Charpy impact en-ergy. Sulfide are found have deleterious effect both axisymmetric whereas plane strain be less sensitive inclusions. interaction between inclusion matrix as-sociated stress distribution at void nucleating sites, which control by microvoid coalescence, were discussed in light various models suggest a micro-mechanism fracture. Other toughness parameters obtained instrumented tests evaluated as function content.
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