应力和光照共同作用下<strong>40Cr</strong>钢在<strong>3.5%NaCl</strong>溶液中的腐蚀行为研究

doi:10.11902/1005.4537.2025.096

中国腐蚀与防护学报

2026, Vol. 46

Issue (1): 233-240 CSTR: 32134.14.1005.4537.2025.096 DOI: 10.11902/1005.4537.2025.096

研究报告

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应力和光照共同作用下40Cr钢在3.5%NaCl溶液中的腐蚀行为研究

秦鹏飞¹, 崔宇², 刘叡¹, 鞠鹏飞³(

), 王福会¹, 刘莉¹(

)

^1.东北大学数字钢铁全国重点实验室沈阳 110819
^2.中国科学院金属研究所沈阳材料科学国家研究中心沈阳 110016
^3.上海航天设备制造厂上海 200245

Corrosion Behavior of 40Cr Steel in 3.5%NaCl Solution Under Combined Effect of Stress and Ultraviolet Illumination

QIN Pengfei¹, CUI Yu², LIU Rui¹, JU Pengfei³(

), WANG Fuhui¹, LIU Li¹(

)

^1.State Key Laboratory of Digital Steel, Northeastern University, Shenyang 110819, China
^2.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
^3.Shanghai Aerospace Equipment Manufacture, Shanghai 200245, China

引用本文:

秦鹏飞, 崔宇, 刘叡, 鞠鹏飞, 王福会, 刘莉. 应力和光照共同作用下40Cr钢在3.5%NaCl溶液中的腐蚀行为研究[J]. 中国腐蚀与防护学报, 2026, 46(1): 233-240.
Pengfei QIN, Yu CUI, Rui LIU, Pengfei JU, Fuhui WANG, Li LIU. Corrosion Behavior of 40Cr Steel in 3.5%NaCl Solution Under Combined Effect of Stress and Ultraviolet Illumination[J]. Journal of Chinese Society for Corrosion and protection, 2026, 46(1): 233-240.

全文: PDF(12245 KB) HTML

摘要:

针对40Cr钢在塑性拉伸应力和紫外光共同作用下的腐蚀行为进行了研究。结果表明，光照加速了40Cr钢腐蚀，这主要归因于光照下合金表面形成的锈层具有较低的电荷转移电阻和更大的平带电位值，此外，紫外光照下蜂窝状内锈层的形成加速了NaCl在锈层内的聚积。塑性拉伸应力下40Cr钢表面形成的锈层更加疏松，且锈层具有更高的光电响应和更低的电荷转移电阻。这些因素导致在塑性拉伸应力和紫外光共同作用下40Cr钢的阳极溶解加速。

关键词 ： 40Cr钢, 塑性拉伸应力, 紫外光照, NaCl

Abstract：

The corrosion behavior of 40Cr steel in 3.5%NaCl solution under the combined effect of plastic tensile stress and ultraviolet (UV) illumination was investigated. The results demonstrate that UV illumination accelerates the corrosion of 40Cr steel, which is primarily attributed to the lower charge-transfer resistance and higher flat-band potential of the rust layer formed on the surface of the steel under illumination. Furthermore, the formation of a honeycomb inner rust layer under UV illumination facilitates the accumulation of NaCl within the rust layer. The rust layer formed on the surface of 40Cr steel under plastic tensile stress was more porous, exhibiting a higher photoelectric response and lower charge transfer resistance. These factors contributed to the accelerated anodic dissolution of 40Cr steel under the combined effect of plastic tensile stress and UV illumination.

Key words： 40Cr steel plastic tensile stress UV NaCl

收稿日期: 2025-03-24 32134.14.1005.4537.2025.096

ZTFLH:

TG174

基金资助:国家自然科学基金(U20B2026)

通讯作者: 刘莉，E-mail：liuli@mail.neu.edu.cn，研究方向为金属腐蚀与防护;
鞠鹏飞，E-mail：jupengfei10@163.com，研究方向为材料表面改性技术

作者简介: 秦鹏飞，男，1991年生，博士生

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https://www.jcscp.org/CN/10.11902/1005.4537.2025.096 或 https://www.jcscp.org/CN/Y2026/V46/I1/233

图1 0%应变和6%应变40Cr钢在3.5%NaCl溶液中有无光照条件下的极化曲线

图2 有无光照条件下0%应变和6%应变40Cr钢在3.5%NaCl溶液中浸泡120 h的表面形貌

图3 不同实验条件下的40Cr钢在3.5%NaCl溶液中浸泡120 h的锈层形貌

图4 在3.5%NaCl溶液中浸泡120 h后未变形40Cr钢表面锈层的XRD

图5 在3.5%NaCl溶液中浸泡120 h后40Cr钢表面锈层的Raman图

图6 不同实验条件下的40Cr钢在3.5%NaCl溶液中浸泡120 h后的EIS图

表1 不同实验条件下的40Cr钢在3.5%NaCl溶液中浸泡120 h的EIS拟合结果

图8 不同实验条件下的40Cr钢在3.5%NaCl溶液中浸泡120 h后的M-S图

图9 0%应变和6%应变40Cr钢在循环光照下的光生E-t曲线

图10 塑性应变和光照共同作用下的40Cr钢腐蚀示意图

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