A series of mechanical properties tests at low temperature are performed in this paper,which including of fracture toughness,impact energy and tensile strength testing for the steel of 36mm and 40mm 16MnR pressure ves...A series of mechanical properties tests at low temperature are performed in this paper,which including of fracture toughness,impact energy and tensile strength testing for the steel of 36mm and 40mm 16MnR pressure vessel used.By testing results,it was investigated that the correlation between fracture toughness J IC and Charpy V-notch(CVN) impact energy.By research,it was cleared that the rules of J IC and CVN varing with temperature are different in ductile-brittle transition region,so,can ,t get this rule.Only in the upper shelf region,can estimate J IC of conservative value.展开更多
文摘A series of mechanical properties tests at low temperature are performed in this paper,which including of fracture toughness,impact energy and tensile strength testing for the steel of 36mm and 40mm 16MnR pressure vessel used.By testing results,it was investigated that the correlation between fracture toughness J IC and Charpy V-notch(CVN) impact energy.By research,it was cleared that the rules of J IC and CVN varing with temperature are different in ductile-brittle transition region,so,can ,t get this rule.Only in the upper shelf region,can estimate J IC of conservative value.
