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为揭示腐蚀劣化管线钢氢-磁-力学性能耦合机理，选取X80钢级管线钢试件，开展不同腐蚀时间、充氢时间及温度条件下的腐蚀-充氢处理试验。搭建腐蚀-充氢-磁力耦合试验平台，并基于磁通量试验仪与万能拉伸试验机构建磁通量-应力耦合测试系统，获取不同工况下试样的应力-应变曲线及磁通量-应力响应特性。结果表明：随着充氢时间延长以及温度条件的改变，X80腐蚀劣化管线钢的磁性能参数与力学指标均发生显著演化，磁通量与应力之间呈现出对氢损伤敏感的耦合关系。该研究为基于磁-应力特性的腐蚀充氢管线钢氢脆定量评价提供了新的试验依据与方法路径。
Abstract：In order to reveal the coupling mechanism of hydrogen-magnetic-mechanical properties of corrosion-degraded pipeline steel, X80 pipeline steel specimens were selected to carry out corrosion-hydrogen charging experiments under different corrosion time, hydrogen charging time and temperature conditions. The corrosion, hydrogen filling and magnetic coupling experiment platform was established, and the magnetic flux-stress coupling test system was established based on the magnetic flux tester and the universal tensile experimental machine to obtain the stress-strain curves and magnetic flux-stress response characteristics of the samples under different working conditions. The results show that with the extension of hydrogen filling time and the change of temperature conditions, the magnetic performance parameters and mechanical indicators of X80 corrosion-deteriorated pipeline steel have undergone significant evolution, and a coupling relationship sensitive to hydrogen damage is presented between magnetic flux and stress. The research provides a new experimental basis and methodological path for the quantitative evaluation of hydrogen embrittlement in corrosion and hydrogen-filled pipeline steel based on magnetic-stress characteristics.
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基本信息:
DOI：10.20029/j.issn.1004-1346.2026.04.006
中图分类号:TE988.2
引用信息:
[1]王天昊.腐蚀与充氢的X80管线钢磁力学性能试验研究[J].石油工业技术监督,2026,42(04):33-39.DOI:10.20029/j.issn.1004-1346.2026.04.006.
2025-11-26
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2026
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2026-04-14
2026-04-14