金属密封剂厚度对管道系统中防漏和复合材料维修性能的影响
Meshari Mohammed Alharthi1, Ibrahim A Alnaser2
1Mechanical Engineering Department, College of Engineering, King Saud University, Riyadh, 11421, Saudi Arabia.
Scientific reports
|November 22, 2025
概括
这项研究通过测试金属密封剂厚度和复合材料层来优化管道维修系统. 更厚的密封剂和四层复合材料显著改善了压力抵抗,特别是在潮湿的条件下,超过了当前的行业标准.
科学领域:
- 材料科学与工程 材料科学与工程
- 机械工程 机械工程
- 土木工程 土木工程是指土木工程.
背景情况:
- 管道完整性对石油和天然气行业至关重要.
- 现有的维修标准,如ISO/TS 24,817,可能无法完全捕捉高级维修系统的性能.
- 优化维修策略需要了解密封剂性能和复合材料增强之间的相互作用.
研究的目的:
- 为了评估金属密封剂厚度和复合板材配置对管道维修结构性能的综合影响.
- 为了确定各种缺陷大小和环境条件的最佳密封剂厚度和复合层设计.
- 将实验结果与理论预测进行比较,并确定模型改进的领域.
主要方法:
- 对各种直径 (10.2-25.4毫米) 的透墙缺陷进行了63次实验.
- 在干燥和潮湿条件下测试了三种金属密封剂厚度 (3.5,7,10.5毫米).
- 应用了两层和四层玻璃纤维复合材料覆盖,以评估压力保留和能量释放率.
主要成果:
- 增加密封剂厚度显著提高了故障泄漏压力,特别是在潮湿的环境中.
- 密封剂厚度为10.5毫米,在所有测试条件下都显示出卓越的密封能力.
- 四层复合材料的维修提供了最高的抗压能力,尽管能量释放率的增加显示了回报的减少.
- 实验性泄漏压力超过了ISO/TS 24,817的预测.
结论:
- 最佳的金属密封剂厚度和复合板材配置可以显著提高管道维修性能.
- 当前的行业模型可能需要更新,以准确预测这些先进的维修系统的性能.
- 这项研究为开发更可靠的服务管道维修解决方案提供了有价值的数据.
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