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5. Study on the microstructure and hardness of in-service welded joint of X70 pipeline steel

Study on the microstructure and hardness of in-service welded joint of X70 pipeline steel

来源 :China Welding | 被引量 : 0次 | 上传用户：njtangxn

【摘 要】

：

Hydrogen induced cracking(HIC) is one of the main problems of in-service welding onto active pipeline.Microstructure and hardness of welded joint have a vital e

【作 者】

：

陈玉华 王勇 刘鸽平 

【机 构】

：

SchoolofMaterialScienceandEngineering,CollegeofMechanicalandElectronicEngineering

【出 处】

：

China Welding

【发表日期】

：

2007年4期

【关键词】

：

焊接 X70管道不锈钢 微观结构 硬度 in-service welding  X70 pipeline steel  microstructure  hard 

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Hydrogen induced cracking(HIC) is one of the main problems of in-service welding onto active pipeline.Microstructure and hardness of welded joint have a vital effect on hydrogen induced cracking.The microstructure and hardness of welded joint of X70 pipel

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