[1]林里.热处理工艺对HFW焊缝显微组织和力学性能的影响[J].焊管,2012,35(6):63-68.[doi:１００１－３９３８（２０１２）０5-0063-06]
　Edited and Translated by LIN Li.Effects of Post-weld Heat Treatment Cycles on Microstructure and Mechanical Properties of Electric Resistance Welded Pipe Welds[J].,2012,35(6):63-68.[doi:１００１－３９３８（２０１２）０5-0063-06]
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热处理工艺对HFW焊缝显微组织和力学性能的影响
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第6期
页码:
63-68
栏目:
国外焊管
出版日期:
2012-06-28

文章信息/Info

Title:
Effects of Post-weld Heat Treatment Cycles on Microstructure and Mechanical Properties of Electric Resistance Welded Pipe Welds
文章编号:
１００１－３９３８（２０１２）０5-0063-06
作者:
林里
（江汉石油管理局沙市钢管厂，湖北 荆州 434001）
Author(s):
Edited and Translated by LIN Li
（Jianghan Petroleum Administration Bureau Shashi Steel Pipe works of Sinopec， Jingzhou 434001， Hubei， China）
关键词:
细晶粒钢; 热处理; HFW焊缝; 显微组织
Keywords:
 ; fine-grained steel;  heat treatments;  HFW welding;  microstructure
分类号:
TG448
DOI:
１００１－３９３８（２０１２）０5-0063-06
文献标志码:
A
摘要:
通过Gleeble热模拟设备来完成焊后正火和淬火+回火热处理，此工艺可用于提高细晶粒高频焊接钢管焊缝的韧性，并和广泛应用于管道敷设的X65钢级进行了比较。通过光学显微镜和透射电镜，对其微观结构演化进行了研究，采用维氏硬度和夏比V形缺口冲击韧性试验，评估其力学性能。正火热处理的力学性能满足API规范，而淬火+回火热处理工艺取决于X65钢和细晶粒钢的回火温度，因此，正火热处理工艺对于两种钢管更有效。
Abstract:
Two post-weld heat treatment cycles of one-step normalizing and two-step quenching and tempering have been performed by Gleeble， a thermo-mechanical simulator， to improve the toughness of fine-grained electric resistance welded pipe welds. Comparison was made to X65 grade steel， which is widely used for pipeline parts. Microstructural evolution was investigated by optical microscopy and transmission electron microscopy. Vickers hardness and Charpy V-notch impact toughness tests were used to evaluate the mechanical properties. While the mechanical properties of one-step normalizing heat treatment satisfied the API specification， the two-step quenching and tempering heat treatments were conditional upon tempering temperature for X65 grade and fine-grained steels. As a result， a one-step normalizing heat treatment was more effective for both steel pipes.

参考文献/References:


译自：CHUNG P C， HAM Y J， KIM S H， LIM J H， LEE C H. Effects of Post-weld Heat Treatment Cycles on Microstructure and Mechanical Properties of Electric Resistance Welded Pipe Welds［J］.Materials and Design， 2012，34（2）:685-690.

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备注/Memo

备注/Memo:
作者简介：林里（1970—），女，高级工程师，长期从事焊管技术管理工作。
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