李旭, 钟显康, 扈俊颖. 基于氢致变色原理的局部腐蚀识别技术与监测系统研究[J]. 中国腐蚀与防护学报, 10.11902/1005.4537.2026.187.
Xu LI, Xian-Kang ZHONG, Jun-Ying HU. Study on the Localized Corrosion Identification Technique and Monitoring System Based on the Hydrogenochromic Principle[J]. Journal of Chinese Society for Corrosion and protection, 0, (): 0-.

摘要 相关文章 Metrics 全文: PDF(1617 KB)   摘要: 针对能源管道内壁局部腐蚀隐蔽性强、早期识别困难的问题，提出了一种基于氢致变色原理的局部腐蚀识别与监测方法。采用喷涂工艺在L245碳钢试样的一面制备氢致变色膜，在试样的另一表面模拟管道内壁局部腐蚀，利用氢致变色膜识别和监测腐蚀导致的渗氢信号，研究膜层亮度变化值ΔY与单位面积累积渗透氢量nH、腐蚀速率vp之间的关系。结果表明，氢致变色膜对渗透氢具有稳定的显色响应性能，能够将局部腐蚀渗氢信号转化为可识别的亮度信号。ΔY与nH线性相关，膜层对单位面积累积渗透氢量的响应下限可达10⁻⁷mol/cm²；膜层变色区域与腐蚀位点在空间上呈一一对应关系，ΔY与vp线性相关。基于上述关系研制的监测系统可实现膜层变色区域自动识别、亮度变化值提取以及nH和vp计算。验证结果显示，系统计算得到的最大腐蚀速率与三维显微镜实测值平均吻合度约为91%。该方法可为装备内壁局部腐蚀的非侵入式识别与监测提供新思路。 关键词 ： 氢致变色膜,  渗氢信号,  局部腐蚀,  腐蚀监测     Abstract：To address the highly concealed nature and difficulty in early identification of localized corrosion on the inner walls of energy pipelines, a localized corrosion identification and monitoring method based on the hydrogenochromic principle was proposed. A hydrogenochromic film was prepared on one surface of L245 carbon steel specimens by a spraying process, while localized corrosion on pipeline inner walls was simulated on the opposite surface. The hydrogenochromic film was used to identify and monitor corrosion-induced hydrogen permeation signals. The relationships between the brightness variation of the film, ΔY, and the per-area cumulative permeated hydrogen amount, nH, as well as the corrosion rate, vp, were investigated. The results show that the hydrogenochromic film exhibits a stable colorimetric response to permeated hydrogen and can convert localized corrosion-induced hydrogen permeation signals into identifiable brightness signals. ΔY is linearly correlated with nH, and the response limit of the film to the per-area cumulative permeated hydrogen amount reaches 10⁻⁷ mol/cm². The discoloration regions of the film show a one-to-one spatial correspondence with the corrosion sites, and ΔY is linearly correlated with vp. Based on these relationships, a monitoring system was developed to realize automatic identification of film discoloration regions, extraction of brightness variation values, and calculation of nH and vp. The validation results show that the maximum corrosion rate calculated by the system exhibits an average agreement of approximately 91% with the value measured by three-dimensional microscopy. This method provides a new approach for non-invasive identification and monitoring of localized corrosion on the inner walls of equipment. Key words： Hydrogenochromic film    Hydrogen permeation signal    Localized corrosion    Corrosion monitoring 收稿日期: 2026-06-24      基金资助:国家自然科学基金(52171080) 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 李旭 钟显康 扈俊颖 44.8K 链接本文: https://www.jcscp.org/CN/10.11902/1005.4537.2026.187      或      https://www.jcscp.org/CN/Y0/V/I/0 [1] 戴念维, 窦欣懿, 刘华剑, 冷滨. 增材制造合金在核能领域应用中的腐蚀研究进展[J]. 中国腐蚀与防护学报, 2026, 46(1): 15-24. [2] 张泽群, 骆鑫杰, 刘鹏飞, 董凯, 卓先勤, 吴俊升, 张博威. TiC颗粒对激光粉末床熔融Al-Mg-Sc-Zr合金的微观结构与腐蚀行为的影响[J]. 中国腐蚀与防护学报, 2026, 46(1): 92-102. [3] 岳远广, 尹志彪, 张子月, 江社明, 张启富. 一种大气腐蚀实时监测装置的开发及其在不同环境中的应用[J]. 中国腐蚀与防护学报, 2026, 46(1): 308-314. [4] 王立芳, 商孟超, 高希钰, 刘贵昌, 孙文. B30铜镍合金原始膜对其腐蚀的影响[J]. 中国腐蚀与防护学报, 2025, 45(6): 1575-1588. [5] 李科, 李天雷, 曹晓燕, 姜流, 王雅熙, 肖泽渝, 钟显康. 316L不锈钢焊接接头在含S-H2S环境中的腐蚀行为[J]. 中国腐蚀与防护学报, 2025, 45(6): 1725-1733. [6] 麻衡, 王中学, 逄昆, 张庆普, 崔中雨. 低合金钢中腐蚀活性夹杂物诱发局部腐蚀萌生行为研究[J]. 中国腐蚀与防护学报, 2025, 45(4): 1005-1013. [7] 张国庆, 余直霞, 王岳松, 王智, 金正宇, 刘宏伟. 海上超临界二氧化碳环境中含水率和温度对A106钢腐蚀行为影响研究[J]. 中国腐蚀与防护学报, 2025, 45(4): 1061-1069. [8] 韩宇龙, 李健, 郭丽雅, 杨边疆, 陆恒昌, 韦习成, 董瀚. 螺纹钢中MnS夹杂物诱发的局部腐蚀行为[J]. 中国腐蚀与防护学报, 2024, 44(5): 1255-1262. [9] 吴洋, 安易强, 王力伟, 崔中雨. 镁铝合金在模拟低温条件下大气腐蚀行为研究[J]. 中国腐蚀与防护学报, 2024, 44(4): 1001-1010. [10] 任万凯, 连洲洋, 周康, 罗正维, 魏无际, 张雪英. 氨法脱硫液成分对304不锈钢局部腐蚀发展阶段影响探究[J]. 中国腐蚀与防护学报, 2023, 43(6): 1392-1398. [11] 顾玉慧, 董亮, 宋沁峰. 微型金属氧化物pH电极的制备及腐蚀防护应用进展[J]. 中国腐蚀与防护学报, 2023, 43(5): 971-982. [12] 邓成满, 刘喆, 夏大海, 胡文彬. 5083-H111铝合金在模拟动态海水环境中的局部腐蚀机制[J]. 中国腐蚀与防护学报, 2023, 43(4): 683-692. [13] 刘超, 陈天奇, 李晓刚. 低合金钢中夹杂物诱发局部腐蚀萌生机制的研究进展[J]. 中国腐蚀与防护学报, 2023, 43(4): 746-754. [14] 李强, 路程, 唐颖浩, 唐建峰, 刘炳成. 湿气管道积液区X70钢CO2 局部腐蚀行为研究[J]. 中国腐蚀与防护学报, 2023, 43(4): 837-846. [15] 黄家和, 袁曦, 陈文, 闫文静, 金正宇, 柳海宪, 刘宏芳, 刘宏伟. 温度对CO2饱和页岩气压裂液环境中N80和TP125V钢腐蚀行为影响研究[J]. 中国腐蚀与防护学报, 2023, 43(2): 251-260. Viewed Full text Abstract Cited   Shared      Discussed