基于力磁效应的油气管线钢裂纹扩展可靠性建模

doi:10.7623/syxb202605012

石油学报 ›› 2026, Vol. 47 ›› Issue (5): 1123-1132.DOI: 10.7623/syxb202605012

• 石油工程 • 上一篇

基于力磁效应的油气管线钢裂纹扩展可靠性建模

邢海燕¹, 韩晴¹, 张海², 赵力伟², 颜俊杰¹, 王素玲¹, 高申煣¹, 赵秀昊¹

1. 东北石油大学机械科学与工程学院黑龙江大庆 163318;
2. 温州市特种设备检测科学研究院浙江温州 325000

收稿日期:2025-09-21 修回日期:2026-03-27 发布日期:2026-06-09
通讯作者: 赵力伟,男,1986年10月生,2011年获华东理工大学硕士学位,现为温州市特种设备检测科学研究院工程师,主要从事承压类特种设备检验检测及科学研究工作。Email:tjlwzhao@163.com
作者简介:邢海燕,女,1971年12月生,2007年获哈尔滨工业大学博士学位,现为东北石油大学教授、博士生导师,主要从事电磁无损检测与可靠性评价、设备智能监测与故障诊断研究工作。Email:xxhhyyhit@163.com
基金资助:
黑龙江省自然科学基金联合引导项目(LH2024E012)、国家自然科学基金项目(No.11272084)和温州市市场监督管理局科研计划项目(2024011)资助。

Reliability modeling of crack propagation in oil and gas pipeline steel based on the magneto-mechanical effect

Xing Haiyan¹, Han Qing¹, Zhang Hai², Zhao Liwei², Yan Junjie¹, Wang Suling¹, Gao Shenrou¹, Zhao Xiuhao¹

1. School of Mechanical Science and Engineering, Northeast Petroleum University, Heilongjiang Daqing 163318, China;
2. Wenzhou Special Equipment Inspection & Science Research Institute, Zhejiang Wenzhou 325000, China

Received:2025-09-21 Revised:2026-03-27 Published:2026-06-09

摘要/Abstract

摘要： 针对目前油气管道运行环境复杂、可靠性定量评价困难的问题,从模糊概率断裂力学的角度,基于力磁效应进行裂纹扩展可靠性建模。通过预制L245N管线钢的标准三点弯曲试样,同步配合裂纹扩展显微观测系统,进行裂纹扩展的磁记忆检测实验,获得了磁特征参数在裂纹扩展过程中的变化规律,确定了裂纹长度与磁特征参数之间的相关性。基于断裂韧度准则构建基于磁特征参数的极限状态函数,解决极限状态函数中裂纹长度变量获取困难的问题。在构建极限状态函数的基础上,进一步考虑油气管道运行环境复杂性而导致参数呈现模糊不确定性,引入模糊隶属度函数将模糊变量随机化,利用Monte Carlo法(MC)、一次二阶矩法(FOSM)以及二次项响应面法(RSM)计算模糊可靠度,为工程实际中油气管道的可靠性定量评估提供新的思路。

关键词: 可靠性, 裂纹扩展, 模糊隶属度, 力磁效应, 油气管道

Abstract: To address the complex operating environment of oil and gas pipelines and the difficulty in quantitative reliability evaluation, crack propagation reliability modeling was conducted based on the magneto-mechanical effect from the perspective of fuzzy probabilistic fracture mechanics. Standard three-point bending specimens of L245N pipeline steel were prefabricated, and magnetic memory testing experiments were carried out in conjunction with a crack propagation microscopic observation system to investigate crack growth behavior. The variation of magnetic characteristic parameters during crack propagation was obtained, and the correlation between crack length and magnetic characteristic parameters was determined. Based on fracture toughness criteria, a limit state function incorporating magnetic characteristic parameters was constructed, thereby overcoming the difficulty of obtaining crack length variables in the limit state function. On the basis, given the complexity of the operational environment of oil and gas pipelines, which induces fuzzy uncertainty in parameters, fuzzy membership functions were introduced to randomize the fuzzy variables. Monte Carlo method (MC), First-Order Second Moment method (FOSM), and quadratic response surface method (RSM) were then employed to evaluate fuzzy reliability, providing a new approach for quantitative reliability assessment of oil and gas pipelines in engineering practice.

Key words: reliability, crack propagation, fuzzy membership, magneto-mechanical effect, oil and gas pipeline

中图分类号:

TE973

邢海燕, 韩晴, 张海, 赵力伟, 颜俊杰, 王素玲, 高申煣, 赵秀昊. 基于力磁效应的油气管线钢裂纹扩展可靠性建模[J]. 石油学报, 2026, 47(5): 1123-1132.

Xing Haiyan, Han Qing, Zhang Hai, Zhao Liwei, Yan Junjie, Wang Suling, Gao Shenrou, Zhao Xiuhao. Reliability modeling of crack propagation in oil and gas pipeline steel based on the magneto-mechanical effect[J]. Acta Petrolei Sinica, 2026, 47(5): 1123-1132.

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基于力磁效应的油气管线钢裂纹扩展可靠性建模

Reliability modeling of crack propagation in oil and gas pipeline steel based on the magneto-mechanical effect

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