[1]吕育栋,陈 顺,邓莘楠,等.直缝埋弧焊管焊趾处超声波反射探伤缺陷的真伪判定[J].焊管,2016,39(11):40-44.[doi:10.19291/j.cnki.1001-3938.2016.11.010]
 LYU Yudong,CHEN Shun,DENG Shennan,et al.Authenticity Judgment of Ultrasonic Reflection Defect in SAWL Pipe Weld Toe[J].,2016,39(11):40-44.[doi:10.19291/j.cnki.1001-3938.2016.11.010]
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直缝埋弧焊管焊趾处超声波反射探伤缺陷的真伪判定
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第11期
页码:
40-44
栏目:
应用与开发
出版日期:
2016-11-28

文章信息/Info

Title:
Authenticity Judgment of Ultrasonic Reflection Defect in SAWL Pipe Weld Toe
文章编号:
10.19291/j.cnki.1001-3938.2016.11.010
作者:
吕育栋陈 顺邓莘楠吴 娟杨 光滕先进
(渤海装备巨龙钢管公司, 河北 青县 062658)
Author(s):
LYU Yudong CHEN Shun DENG Shennan WU Juan YANG Guang TENG Xianjing
(Bohai Equipment Julong Steel Pipe Co., Ltd., Qingxian 062658, Hebei, China)
关键词:
焊管检测双面直缝埋弧焊缝超声波探伤热影响区夹杂物裂纹
Keywords:
welded pipe testing double-side SAWL welding weld ultrasonic testing heat affected zone inclusion crack
分类号:
TG115.28
DOI:
10.19291/j.cnki.1001-3938.2016.11.010
文献标志码:
B
摘要:
采用KD ECHO-1155型多通道自动超声波探伤系统对直缝埋弧焊管焊缝纵向进行检测时,发现钢管焊缝焊趾处出现报警现象。为了正确判定焊缝热影响区缺陷(不连续)的真伪性,检验人员对这些异常反射的信号(报警处)进行手动超声波探伤复查及分析,发现在热影响区除了因裂纹、未熔合、咬边等缺陷引起的反射回波外,还有焊缝边角、凹坑、焊缝几何形状等引起的伪缺陷反射回波。进而对这些反射回波进行了分析研究,并提出了缺陷真伪的判别方法。结果表明:针对直缝埋弧焊钢管焊趾处的反射回波,有必要根据其回波特点结合多种检测方式综合判断缺陷的真伪。
Abstract:
Using KD ECHO-1155 multi-channel automatic ultrasonic testing system to conduct longitudinal detection in SAWL pipe weld toe, it found that alarm phenomenon appeared in steel pipe weld toe. In order to correctly judge the authenticity of weld defects(discrete) in heat affected zone, the inspection personnel carried out the manual ultrasonic testing and analysis for these abnormal reflected signal(alarm position), found in the heat affected zone existed except for the reflection echo caused by cracks, incomplete fusion, undercut and so on, and the pseudo defects caused by the echo of weld edge, pits, weld geometry. And then analyzed the reflection echo, and put forward the method for identifying defects authenticity. The results indicated that according to reflection echo in SAWL pipe weld toe, it is necessary according to the characteristics in combination with a variety of detection methods to comprehensively judge the defect authenticity.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-06-27
作者简介: 吕育栋(1974—), 男, 工程师, 主要从事直缝埋弧焊钢管的无损检测技术管理工作, 持有中国无损检测学会UT、RT、MT高级证书。
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