[1]张建勋,毕宗岳,孙 茜.X100螺旋埋弧焊管焊接接头冲击韧性研究[J].焊管,2013,36(12):5-9.[doi:1001-3938(2013)12-0005-05]
 ZHANG Jianxun,BI Zongyue,SUN Qian.Research on Impact Toughness of X100 SAWH Pipe Welded Joint[J].,2013,36(12):5-9.[doi:1001-3938(2013)12-0005-05]
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X100螺旋埋弧焊管焊接接头冲击韧性研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第12期
页码:
5-9
栏目:
试验与研究
出版日期:
2013-12-28

文章信息/Info

Title:
Research on Impact Toughness of X100 SAWH Pipe Welded Joint
文章编号:
1001-3938(2013)12-0005-05
作者:
张建勋1毕宗岳23孙 茜1
(1. 西安交通大学 金属材料强度国家重点实验室,西安 710049;
2. 国家石油天然气管材工程技术研究中心,陕西 宝鸡,721008;
3. 宝鸡石油钢管有限责任公司 钢管研究院,陕西 宝鸡 721008)
Author(s):
ZHANG Jianxun1BI Zongyue23SUN Qian1
(1. National Key Laboratory of Metal Materials Strength,Xi’an Jiaotong University,Xi’an 710049,China;
2. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;
3. Steel Pipe Research Institute of Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China)
关键词:
焊接螺旋埋弧焊管冲击韧性M-A组织
Keywords:
weldingSAWH pipeimpact toughnessM-A microstructure
分类号:
TG113.26
DOI:
1001-3938(2013)12-0005-05
文献标志码:
A
摘要:
采用落锤冲击试验法测试了X100螺旋埋弧焊管焊接接头的低温冲击韧性,并进行了断口特征及微观组织分析。结果表明,沿管壁厚度方向的冲击韧性变化不明显;焊接接头的冲击韧性呈现母材冲击韧性最高,约是焊缝和热影响区的1倍,焊缝略高于热影响区;母材韧窝尺寸大且深,焊缝韧窝尺寸均匀但较浅,焊接热影响区以小尺寸韧窝为主,含少量大尺寸韧窝;焊缝和粗晶区的大尺寸条状或棒状M-A岛使冲击韧性下降。
Abstract:
In this paper,the impact toughness of X100 SAWH pipe welded joint was tested by using drop weight tear test(DWTT) method at low temperature,and the fracture feature and microstructure were analyzed. The results showed that the impact toughness along wall thickness does not change obviously. The impact toughness changes greatly from weld,heat affected zone to base metal,and the impact toughness of base metal is the highest about one time compared to those of the weld and heat affected zone,and the impact toughness of weld is slightly higher than that of heat affected zone. The fracture feature displays large and deep size dimple in base metal,uniform and shallow size dimples in weld,and mainly to the small size dimple with a small amount of the large size dimple in heat affected zone. The large size bar or round M-A island make impact toughness decrease.

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备注/Memo

备注/Memo:
收稿日期:2013-08-12
基金项目:国家科技支撑计划课题,超高强度油气输送管材关键技术研究(2011BAE35B01)。
作者简介:张建勋,男,教授,博导,主要从事先进材料的焊接研究工作。
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