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中国塑料 ›› 2022, Vol. 36 ›› Issue (10): 104-116.DOI: 10.19491/j.issn.1001-9278.2022.10.016
李兆璞1, 武立文1, 乔亮2,3, 范峻铭2,3, 张毅1()
收稿日期:
2022-07-13
出版日期:
2022-10-26
发布日期:
2022-10-27
通讯作者:
张毅(1988-),男,副教授,博士,主要从事聚乙烯燃气管道损伤失效分析、寿命预测及高分子聚合物损伤失效机理与表征研究, zhangyi@upc.edu.cn基金资助:
LI Zhaopu1, WU Liwen1, QIAO Liang2,3, FAN Junming2,3, ZHANG Yi1()
Received:
2022-07-13
Online:
2022-10-26
Published:
2022-10-27
Contact:
ZHANG Yi
E-mail:zhangyi@upc.edu.cn
摘要:
简述了聚乙烯(PE)管道热熔焊接接头的影响因素,对国内外热熔接头可靠性测试方法的研究进展进行了综述。总结了焊接参数对接头质量的影响规律,并分析了接头的失效机理。焊接参数的改变能显著影响热熔接头的性能,选择最优焊接参数能提高接头乃至整个管道系统的可靠性。分别从力学性能、有限元模拟和无损检测3个方面总结了热熔接头相关研究,期待未来建立一种全面的热熔焊接接头力学性能评价标准,能减少实验时间、降低测试成本。随着材料的创新和科技手段的发展,未来有限元模拟和无损检测技术有望代替力学实验,成为热熔接头可靠性检测的主要方法。
中图分类号:
李兆璞, 武立文, 乔亮, 范峻铭, 张毅. 聚乙烯管道热熔焊接技术研究进展[J]. 中国塑料, 2022, 36(10): 104-116.
LI Zhaopu, WU Liwen, QIAO Liang, FAN Junming, ZHANG Yi. Research progress in polyethylene pipeline hot melt welding technology[J]. China Plastics, 2022, 36(10): 104-116.
技术名称 | 优点 | 缺点 |
---|---|---|
超声脉冲回波检测 | 成本低、操作简单 | 检测灵敏度低、对复杂结构检测困难 |
超声相控阵检测 | 精度高,检测结果直观 | 限制试件厚度 |
超声衍射时差检测 | 灵敏度高 | 对近表面缺陷和横向缺陷检测困难 |
技术名称 | 优点 | 缺点 |
---|---|---|
超声脉冲回波检测 | 成本低、操作简单 | 检测灵敏度低、对复杂结构检测困难 |
超声相控阵检测 | 精度高,检测结果直观 | 限制试件厚度 |
超声衍射时差检测 | 灵敏度高 | 对近表面缺陷和横向缺陷检测困难 |
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