With the X65 pipeline steel as raw material,we researched the influence of Ce on the organization and the low-temperature impact toughness.The result of the experiment was that:Ce had big influence on the organization...With the X65 pipeline steel as raw material,we researched the influence of Ce on the organization and the low-temperature impact toughness.The result of the experiment was that:Ce had big influence on the organization and mechanics capability of X65 pipeline steel,Ce could thin the solidification to improve the capability of the steel.1# sample that was X65 pipeline steel without RE had dimple and uneven,its dimple and grain size was biggish;1# sample with RE’s dimple was small and uniform.The low-temperature impact and impact energy of 2# sample with RE were both higher.展开更多
基金Project supported by the Education Department of Inner Mongolia (NJ05067)
文摘With the X65 pipeline steel as raw material,we researched the influence of Ce on the organization and the low-temperature impact toughness.The result of the experiment was that:Ce had big influence on the organization and mechanics capability of X65 pipeline steel,Ce could thin the solidification to improve the capability of the steel.1# sample that was X65 pipeline steel without RE had dimple and uneven,its dimple and grain size was biggish;1# sample with RE’s dimple was small and uniform.The low-temperature impact and impact energy of 2# sample with RE were both higher.
