[1]甘正红,邢艳亮,周 帅,等.焊管的偏析与超声检测研究[J].焊管,2016,39(1):37-40.[doi:10.19291/j.cnki.1001-3938.2016.01.008]
 GAN Zhenghong,XING Yanliang,ZHOU Shuai,et al.Research on Segregation and Ultrasonic Testing of Welded Pipe[J].,2016,39(1):37-40.[doi:10.19291/j.cnki.1001-3938.2016.01.008]
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焊管的偏析与超声检测研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第1期
页码:
37-40
栏目:
应用与开发
出版日期:
2016-01-28

文章信息/Info

Title:
Research on Segregation and Ultrasonic Testing of Welded Pipe
文章编号:
10.19291/j.cnki.1001-3938.2016.01.008
作者:
甘正红1邢艳亮2周 帅3苏继权1
1. 江苏德创制管有限公司, 江苏 兴化 225700;
2. 唐山市特种设备监督检验所, 河北 唐山 063000;
3. 湖南胜利湘钢钢管有限公司, 湖南 湘潭 411101
Author(s):
GAN Zhenghong1 XING Yanliang2 ZHOU Shuai3 SU Jiquan1
1. Jiangsu Dechuang Manufacturing Pipe Co., Ltd., Xinghua 225700, Jiangsu, China;
2. Tangshan Special Equipment Supervision and Inspection Institute,Tangshan 063000, Hebei, China;
3. Hunan Shengli Xianggang Steel Pipe Co., Ltd., Xiangtan 411101, Hunan, China
关键词:
焊管焊缝偏析超声检测
Keywords:
welded pipe weld segregation ultrasonic testing
分类号:
TE973.6
DOI:
10.19291/j.cnki.1001-3938.2016.01.008
文献标志码:
B
摘要:
针对焊管焊缝超声检测过程中,在热影响区的中心部位沿焊缝的长度方向出现的异常回波信号,且补焊返修后重新检测时回波仍然存在的问题,通过对该信号部位取样进行理化试验,找到了产生异常回波信号的原因。结果表明,焊缝熔合线及热影响区母材存在的偏析是产生异常回波出现的原因。分析了焊管偏析的种类和形成原因,对偏析回波信号的超声检测识别进行了分析研究,说明超声检测结合理化试验可以判断焊管严重偏析的存在。
Abstract:
During ultrasonic testing process of welded pipe weld, the abnormal echo signal appear in the center of HAZ along the length direction of the weld, and the signal still exist after repair welding. Through the physical and chemical test for the sampling signal part, it found the reason caused abnormal echo signal. The results showed that the segregation existed in weld fusion line and HAZ base metal is the reason caused abnormal echo signal. It analyzed the forming reason and type of welded pipe segregation, investigated the ultrasonic testing identification for segregation echo signal, and indicated that ultrasonic testing combining with the physical and chemical experiments can judge the existence of the welded pipe serious segregation.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2015-10-30
修改稿收稿日期: 2015-12-14作者简介: 甘正红(1973—), 男, 总工程师, 高级工程师, 持有中国无损检测学会和国家质量监督检验检疫总局RT、UT、MT、PT高级证书, 主要从事钢管质量、技术管理工作。
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