[1]左兰兰,侯学勤.提高HFW焊缝低温夏比冲击韧性的研究[J].焊管,2014,37(1):58-61.[doi:1001-3938(2014)01-0058-04]
 ZUO Lanlan,HOU Xueqin.Study on Improving the Low Temperature CharpyImpact Toughness of HFW Weld[J].,2014,37(1):58-61.[doi:1001-3938(2014)01-0058-04]
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提高HFW焊缝低温夏比冲击韧性的研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第1期
页码:
58-61
栏目:
经验交流
出版日期:
2014-01-28

文章信息/Info

Title:
Study on Improving the Low Temperature Charpy
Impact Toughness of HFW Weld
文章编号:
1001-3938(2014)01-0058-04
作者:
左兰兰1侯学勤2
(1. 中石化石油工程机械有限公司沙市钢管厂,湖北 荆州 434001;
2. 北京航空材料研究院,北京 100095)
Author(s):
ZUO Lanlan1 HOU Xueqin2
(1. SINOPEC Oil Engineering Machinery Co., Ltd. Shashi Steel Pipe Works, Jingzhou 434001, Hubei, China;
2. Beijing Institute of Aeronautical Materials, Beijing 100095, China)
关键词:
HFW焊缝氧化物夹杂热处理工艺
Keywords:
HFWweld oxide inclusion heat treatment process
分类号:
TG407
DOI:
1001-3938(2014)01-0058-04
文献标志码:
B
摘要:
通过对焊缝夏比冲击试验样本的研究,分析了造成焊缝冲击韧性不符合GB/T 9711—2011标准要求的原因。研究结果表明,焊缝中存在的Mn和Si氧化物夹杂及不适当的热处理是造成HFW焊缝低温冲击韧性不合的主要原因。除此之外,焊缝的焊接质量也是影响韧性的重要因素。同样试验温度下,提高焊缝质量就可以提高焊缝的冲击韧性。应根据实际生产情况,分析造成韧性不合的原因,从源头上解决问题,才是提高HFW焊缝低温冲击韧性的有效方法。
Abstract:
Through studying the sample of weld Charpy impact test, the reason caused the weld impact toughness not comply with the requirement of GB/T 9711—2011 standard was studied. The results indicated that Mn and Si oxide inclusions in weld and improper heat treatment are the main reasons to affect the low temperature impact toughness of HFW weld. In addition, the welding quality of weld is also the key factor to affect the toughness, under the same testing temperature, improving the welding quality can improve the weld Charpy impact toughness. In order to improve the low temperature toughness of HFW weld, it should study and analyze the reason caused incompatible toughness from the practice product condition, and solve the problem from the source, which is the most effective way to improve the low temperature toughness.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-07-31
作者简介:左兰兰(1982—),女,硕士,湖北广水人,主要从事材料加工工程的研究。
更新日期/Last Update: