[1]崔 延,聂向晖,李云龙,等.HFW焊缝组织结构对强韧性的影响[J].焊管,2011,34(11):5-9.[doi:1001-3938(2011)11-0005-05]
 CUI Yan,NIE Xiang-hui,LI Yun-long,et al.Effect of HFW Pipe Weld Microstructure on Strength and Toughness[J].,2011,34(11):5-9.[doi:1001-3938(2011)11-0005-05]
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HFW焊缝组织结构对强韧性的影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
34
期数:
2011年第11期
页码:
5-9
栏目:
试验与研究
出版日期:
2011-11-28

文章信息/Info

Title:
Effect of HFW Pipe Weld Microstructure on Strength and Toughness
文章编号:
1001-3938(2011)11-0005-05
作者:
崔 延1聂向晖12李云龙2赵文轸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.中国石油集团石油管工程技术研究院,西安,710065)
Author(s):
CUI Yan1NIE Xiang-hui12LI Yun-long2ZHAO Wen-zhen1
( 1. State Key Laboratory for Mechanical Behavior of Materials,Xi’an Jiaotong University,Xi’an 710049,China;
  2.CNPC Tubular Goods Research Institute,Xi’an 710065,China)
关键词:
HFW焊管焊缝热影响区金相组织正火温度冲击韧性
Keywords:
HFW pipeweld heat affected zonemetallographic microstructurenormalizing temperatureimpact toughness
分类号:
TG407
DOI:
1001-3938(2011)11-0005-05
文献标志码:
A
摘要:
以X60级HFW焊管作为研究对象,分析了焊接区域的显微组织特点;通过测量焊接区域结构参数与力学性能,提出焊接工艺应当保证焊缝熔合线宽度控制在0.05~0.2 mm内。在820 ℃,870 ℃和980 ℃正火后,焊接区域组织粗大,冲击韧性偏低;920 ℃左右正火后焊缝区域组织细化,力学性能大大提升,通过对比发现在900 ~ 930 ℃的温度区间下进行正火可使HFW焊管焊接区域的组织与力学性能均达到最好。
Abstract:
X60 HFW pipes have been researched,and the microstructure in the welding zone is analyzed. By measuring the structural parameters and mechanical properties,it proposed that welding process should ensure the width of the weld fusion line to be controlled within 0.05 ~ 0.2 mm. After normalizing at 820 ℃,870 ℃ and 980 ℃,microstructure of the welding zone is coarse,and the impact toughness is low;after normalizing at 920 ℃,the microstructure seems fine and mechanical properties is significantly improved. Normalizing at the temperature of 900 ~ 930 ℃ can make the microstructure and mechanical properties of welding zone achieve the best.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:崔延(1987—),男,西安交通大学材料学院硕士研究生,主要从事金属材料力学性能与抗腐蚀性能的研究。
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