The Effect of Ultrasonic Surface Rolling Process on Corrosion Fatigue Performance of 2Cr13 Steel

IF 3.2 2区材料科学 Q2 ENGINEERING, MECHANICAL

Fatigue & Fracture of Engineering Materials & Structures Pub Date : 2025-07-28 DOI:10.1111/ffe.70032

Jun Cheng, Leyang Dai, Zhilong Xu, Yi Li, Shiqi Chen, Qingshan Jiang, Xuming Zha, Bo Li

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Abstract

The surface layer modification of 2cr13 steel samples was carried out by ultrasonic surface rolling process (USRP) in this work. The surface integrity of the sample and its effect on corrosion fatigue properties were analyzed. The results indicated that a compressive residual stress (CRS) field and hardness gradient field were formed on the surface of the sample after USRP, and the roughness of the modified surface layer with refined microstructure was reduced to different degrees. The corrosion fatigue life of all ultrasonic rolled samples had been improved to some extent, among which the life of S2 sample with the optimum surface integrity was about 40 times higher than that of non-rolled sample. High CRS and ultra-fine grain microstructure in the surface layer significantly inhibited the occurrence of pitting and the initiation of corrosion fatigue cracks on the surface, which were the determining factors for improving the corrosion fatigue life of 2Cr13 stainless steel.

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超声表面轧制工艺对2Cr13钢腐蚀疲劳性能的影响

采用超声表面轧制法（USRP）对2cr13钢试样进行了表层改性。分析了试样的表面完整性及其对腐蚀疲劳性能的影响。结果表明：USRP后试样表面形成了压残余应力场和硬度梯度场，改性后的表层粗糙度有不同程度的降低。超声轧制样品的腐蚀疲劳寿命均有不同程度的提高，其中表面完整性最佳的S2样品的寿命比未轧制样品提高了40倍左右。高CRS和表层超细晶粒组织显著抑制了表面点蚀的发生和腐蚀疲劳裂纹的萌生，是提高2Cr13不锈钢腐蚀疲劳寿命的决定因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Fatigue & Fracture of Engineering Materials & Structures 工程技术-材料科学：综合

CiteScore

6.30

自引率

18.90%

发文量

256

审稿时长

4 months

期刊介绍： Fatigue & Fracture of Engineering Materials & Structures (FFEMS) encompasses the broad topic of structural integrity which is founded on the mechanics of fatigue and fracture, and is concerned with the reliability and effectiveness of various materials and structural components of any scale or geometry. The editors publish original contributions that will stimulate the intellectual innovation that generates elegant, effective and economic engineering designs. The journal is interdisciplinary and includes papers from scientists and engineers in the fields of materials science, mechanics, physics, chemistry, etc.