焊接接头微区氢行为的研究Ⅱ）──焊接接头近缝区受载缺口前端氢浓度再分布  

STUOY ON HYDROGEN BEHAVOIR IN THE WELDED JOINTS Ⅱ REDISTRIBUTION OF HYDROGEN COMCENTRATION IN WELDED SEAM ZONE NEAR NOTCH TIP UNDER MIXED MODE LOADING

作　　者：郑秀芳[1] 刘吉斌[1] 刘继雄[1] 陈廉[1] 龙瑞斌[1] 佟敏 

机构地区：[1]武钢钢铁研究所,中科院金属研究所

出　　处：《钢铁研究》1995年第6期29-33,共5页Research on Iron and Steel

基　　金：武汉钢铁(集团)公司与中国科学院金属研究所的技术合作项目之一。

摘　　要：用离子探针研究了１０ＳｉＭｎＮｉＣｒ钢不同焊接条件下氢在焊接接头负载缺口顶端的再分布，发现近缝区开裂方向有两个氮浓度富集峰。并探讨了双氢峰的形成机理。Redistribution of hydrogen concentration in welded seam zone of 10SiMnNiCr near notch tip under mixed mode loading has been studied by Ion Microprobe. It is discovered thatthere exist two accumulation peaks of hydrogen conentration,one at notch tip and the other far apart frorn it,in the cracking direction of welded seam zone. The mechanism of hydrogen accumulation near notch tip was also discussed.

关 键 词：双氢峰 离子探针 氢浓度 再分布 接头 焊接 

分 类 号：TG407[金属学及工艺—焊接]