[1]黄鹏儒,王 雷,冯雪楠,等.焊接热循环对连续油管焊接HAZ组织的影响[J].焊管,2019,42(2):19-24.[doi:10.19291/j.cnki.1001-3938.2019.2.004]
　HUANG Pengru,WANG Lei,FENG Xuenan,et al.Effects on Microstructure of Heat-affected Zone in Coiled Tubing by Welding Thermal Cycle[J].,2019,42(2):19-24.[doi:10.19291/j.cnki.1001-3938.2019.2.004]
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焊接热循环对连续油管焊接HAZ组织的影响()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第2期
页码:
19-24
栏目:
试验与研究
出版日期:
2019-02-28

文章信息/Info

Title:
Effects on Microstructure of Heat-affected Zone in Coiled Tubing
by Welding Thermal Cycle
文章编号:
10.19291/j.cnki.1001-3938.2019.2.004
作者:
黄鹏儒1; 王 雷1; 冯雪楠1; 侯树成1; 周 勇1; 毕宗岳2; 田小江2; 李博锋2
1. 西安石油大学 材料科学与工程学院， 西安 710065；
2. 宝鸡石油钢管有限责任公司钢 管研究院， 陕西 宝鸡 721008
Author(s):
HUANG Pengru1;  WANG Lei1;  FENG Xuenan1;  HOU Shucheng1;  ZHOU Yong1; BI Zongyue2;  TIAN Xiaojiang2;  LI Bofeng2
1. School of Material Science and Engineering， Xi’an Shiyou University， Xi’an 710065， China；
2. Steel Pipe Research Institute of Baoji Petroleum Steel Pipe Co.， Ltd.， Baoji 721008， Shaanxi，China
关键词:
连续油管; 焊接HAZ; 热模拟; 焊接热循环
Keywords:
coiled tubing;  welding HAZ;  thermal simulation;  welding thermal cycle
分类号:
TG401
DOI:
10.19291/j.cnki.1001-3938.2019.2.004
文献标志码:
A
摘要:
为了探究不同焊接热循环条件对连续油管焊接HAZ组织的影响规律，采用热模拟技术、电子背散射衍射（EBSD）、X射线衍射（XRD）等显微分析方法和硬度测试等手段，对不同峰值温度和冷却时间下的焊接HAZ组织影响规律进行了分析。结果表明，随着峰值温度的增加，管材硬度值变化呈先下降后上升趋势，且在800 ℃时软化最为严重；当峰值温度达到950 ℃和1 300 ℃时，组织晶粒的粗化随冷却时间延长更为明显，硬度值也逐渐增大；焊接作业时可以采用低能量焊接和加铜块水冷的方法来减弱焊接热循环对焊接接头的影响。
Abstract:
In order to explore the influence of different conditions of welding thermal cycling on the HAZ structure of coiled tubing welding，thermal simulation techniques，electron backscatter diffraction（EBSD）， X-ray diffraction（XRD） and other microscopic analysis methods and hardness tests were used to analyze influence rule of weld HAZ structure under different peaks of temperature and cooling time. The results show that with the increase of peak temperature， the hardness of the pipe first decreases and then rises，and the softening is most serious at 800 ℃. When the peak temperature reaches 950 ℃ and 1 300 ℃， the phase transformation coarsening of the microstructure is more obvious with the cooling time, and the hardness is gradually rising. Low energy welding and copper block water cooling can be used to reduce the influence of welding heat cycle on the welded joint.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2018-10-09
作者简介：黄鹏儒（1995—），男，硕士研究生，主要研究方向为焊接技术。
更新日期/Last Update: 2019-03-20