| 超高强度钢无氰镀镉-钛层在循环湿热试验条件下的腐蚀变化规律研究 |
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| 引用本文： | 潘峤,刘明,汤智慧,孙志华,骆晨,高蒙,闫巍,高建.超高强度钢无氰镀镉-钛层在循环湿热试验条件下的腐蚀变化规律研究[J].装备环境工程,2018,15(5):25-28. |
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| 作者姓名： | 潘峤 刘明 汤智慧 孙志华 骆晨 高蒙 闫巍 高建 |
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| 作者单位： | 中国航发北京航空材料研究院中国航空发动机集团航空材料先进腐蚀与防护重点实验室 |
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| 基金项目： | “十三五”技术基础科研项目（JSHS2016207A002-2） |
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| 摘 要： | 目的研究超高强度钢表面无氰镀镉-钛层在循环湿热条件下的腐蚀变化规律。方法对超高强度钢表面无氰镀镉-钛层试样进行循环湿热试验,对各个加速时间段的试样进行宏观照片及微观照片的拍摄,并运用电化学测试分析的方法研究试样在加速试验各时间段的腐蚀变化规律。结果超高强度钢表面无氰镀镉-钛层经历384 h的循环湿热试验后,镀层首先开始出现腐蚀现象。试样的腐蚀失质量损失随试验时间的延长逐渐增加,且呈现出在试验初期(≤384 h)的增量相对较小,试验中后期(384 h)的增量相对较大的特征,腐蚀动力学方程和曲线的特征也表明,试样在循环湿热试验后期的腐蚀速率相对较大。经历1536 h循环湿热试验的试样在0.01 Hz处的阻抗模值下降为10~2?。结论循环湿热条件下,在加速试验初期,超高强度钢表面无氰镀镉-钛层试样表面镀层开始发生腐蚀,中期腐蚀现象减缓,后期腐蚀现象明显。质量损失数据与试验时间关系的幂函数拟合方程为D(t)=0.013t~(1.2095),相关指数R~2=0.9879。
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| 关 键 词： | A-100钢 镉-钛镀层 循环湿热 腐蚀 |
| 收稿时间： | 2018/2/7 0:00:00 |
| 修稿时间： | 2018/5/25 0:00:00 |
Corrosion Behaviors of Ultrahigh-strength Steel Covered with Cd-Ti Coating Plated from Non-cyanide Bath by Thermal-humidity Cycling Test |
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| PAN Qiao,LIU Ming,TANG Zhi-hui,SUN Zhi-hu,LUO Chen,GAO Meng,YAN Wei and GAO Jian.Corrosion Behaviors of Ultrahigh-strength Steel Covered with Cd-Ti Coating Plated from Non-cyanide Bath by Thermal-humidity Cycling Test[J].Equipment Environmental Engineering,2018,15(5):25-28. |
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| Authors: | PAN Qiao LIU Ming TANG Zhi-hui SUN Zhi-hu LUO Chen GAO Meng YAN Wei and GAO Jian |
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| Institution: | Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China,Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China,Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China,Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China,Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China,Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China,Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China and Key Laboratory of Science and Technology on advanced Corrosion and Protection for Aviation Material, Aero Engine Corporation of China Aviation, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China |
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| Abstract: | |
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| Keywords: | A-100 steel Cd-Ti layer thermal-humidity cycling test corrosion |
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