聚乙烯电熔接头的超声波检测
Ultrasonic Inspection of Welding in Electro-Fusion Joint of Polyethylene Pipes
摘 要
聚乙烯(PE)管道广泛应用于城市燃气输送。接头焊接质量直接影响接头的力学性能。笔者在电熔焊接接头检测中首次发现接头内部存在一条由微小气泡造成的特征线，此特征线与电阻丝之间的距离与接头的焊接程度有明确的对应关系。在此基础上，提出一种全新的接头焊接超声检测表征方法。试验表明，该方法可以有效应用于聚乙烯管道焊接工艺研究和接头冷焊和过焊的质量检测。
聚乙烯管道
电熔接头
焊接程度
冷焊
过焊
Ultrasonic testing
Polyethylene pipe
Electro-fusion joint
The degree of welding
Cold welding
Over-heat welding
Abstract
Polyethylene(PE) pipe was widely used in the gas distribution networks. Cold welding and over-heat welding could infect directly the mechanics performance of joint of PE pipes. It was discovered that there was an Eigen-line in the electro-fusion(EF) joint of PE pipes due to a great amount of separated micro-bubbles, and the distance between the line and heating wires could be used to measure the degree of welding. Furthermore, a unique method was developed to detect the degree of welding. A set of experiments showed that the method could be used in the research of welding procedure, and cold welding and over-heat welding quality inspection.
中图分类号 TG115.28
所属栏目 科研成果与学术交流
基金项目 国家科技支撑计划资助项目(2006BAK02B01-03)
收稿日期 2007/7/22
修改稿日期
网络出版日期
作者单位点击查看
备注郭伟灿(1968-)，男，博士研究生，高级检验师，主要从事产品监检工作。
引用该论文: GUO Wei-Can,ZHENG Jin-Yang,DING Shou-Bao,SHI Jian-Feng,SHI Ping. Ultrasonic Inspection of Welding in Electro-Fusion Joint of Polyethylene Pipes[J]. Nondestructive Testing, 2008, 30(12): 877～880
郭伟灿,郑津洋,丁守宝,施建峰,石 平. 聚乙烯电熔接头的超声波检测[J]. 无损检测, 2008, 30(12): 877～880
被引情况:
【1】郭伟灿,施建峰,侯东圣, "聚乙烯管道电熔焊接头的超声相控阵检测工艺优化",无损检测 37, 30-34(2015)
【2】郭伟灿,殳宏,朱联华,王黎明, "聚乙烯管道热熔接头的超声波耦合聚焦检测技术",无损检测 36, 43-47(2014)
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参考文献
【1】阳代军, 霍立兴, 张玉凤.塑料压力管道的焊接方法及其发展动向[J].中国塑料,2001,15(3):16-20.
【2】Bowman J. The assessment of the strength of electrofusion joints[C]. Twelfth Plastic Fuel Gas Pipe Symposium. Arlington:1991.
【3】Jeremy Bowman. A review of the electrofusion joining process for polyethylene pipe system[J]. Polymer Engineering and Science,1997,37(4):674-691.
【4】Wool R P, Yuan B L, McGarel O J. Welding of polymer interfaces[J]. Polymer Engineering and Science,1989,29(19):1340-1367.
【5】Bowman J, Medhurst T, Portas R. Procedures for Quantifying the Strength of Electrofusion Joints[C]. Proceedings of Plastics Pipes WZZ. London:1992.
【2】Bowman J. The assessment of the strength of electrofusion joints[C]. Twelfth Plastic Fuel Gas Pipe Symposium. Arlington:1991.
【3】Jeremy Bowman. A review of the electrofusion joining process for polyethylene pipe system[J]. Polymer Engineering and Science,1997,37(4):674-691.
【4】Wool R P, Yuan B L, McGarel O J. Welding of polymer interfaces[J]. Polymer Engineering and Science,1989,29(19):1340-1367.
【5】Bowman J, Medhurst T, Portas R. Procedures for Quantifying the Strength of Electrofusion Joints[C]. Proceedings of Plastics Pipes WZZ. London:1992.
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