HFW管线管焊缝冲击功“两高一低”现象研究

来源 :第十届中国钢铁年会暨第六届宝钢学术年会 | 被引量 : 0次 | 上传用户：Liujc

【摘要】

：

高频感应焊(HFW)管线管焊缝冲击韧性存在不稳定现象,在进行同一组的三个试样夏比冲击试验中,焊缝冲击功值出现“两高一低”情况.通过扫描电镜分析了冲击试样残样的断面,冲击功低值的试样断面更平整且断面有残留氧化物夹杂.结合HFW焊管制管中焊接及热处理工艺特点,分析了焊缝冲击功不稳定的原因以及焊接过程中氧化物夹杂形成的原因,提出了控制氧化物夹杂的措施.

【作者】

：

李书黎张毅李烨冷洪刚魏君陈浮刘占增

【机构】

：

武钢集团江北钢铁有限公司钢管厂,湖北武汉 430415 武钢研究院,湖北武汉 430080

【出处】

：

第十届中国钢铁年会暨第六届宝钢学术年会

【发表日期】

：

2015年11期

【关键词】

：

高频感应焊焊管焊缝冲击功氧化物夹杂

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HFW管线管焊缝冲击功“两高一低”现象研究

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