X80管线钢DWTT断口形貌分析  

Analysis on Fracture Morphology of DWTT for X80 Pipeline Steel

作　　者：李智丽[1] 寇沙沙[1] 刘莉[1] Li Zhi-li;Kou Sha-sha;Liu Li(Technical Center of Inner Mongolia Baotou Steel Union Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China)

机构地区：[1]内蒙古包钢钢联股份有限公司技术中心,内蒙古包头014010

出　　处：《包钢科技》2020年第5期51-54,58,共5页Science & Technology of Baotou Steel

摘　　要：对X80管线钢DWTT试样出现的不同类型断口形貌进行了分析。通过金相显微镜、扫描电镜及能谱分析,发现导致其DWTT断口出现不同形貌的原因与材料的显微组织、偏析、夹杂物等有关。Different types of fracture morphology of DWTT sample for X80 pipeline steel are analyzed.It is found that the causes are related to such as the microstructure,segregation and inclusions of materials by metalloscope,scanning electron microscope and energy spectrum analysis.

关 键 词：X80管线钢 DWTT 断口形貌 

分 类 号：TG335[金属学及工艺—金属压力加工]