Improvement of corrosion resistance of low-alloy steels by resurfacing using multifunction cavitation in water

被引：8
|
作者：
Ijiri, Masataka [1 ]
Yoshimura, Toshihiko [1 ]
机构：
[1] Tokyo Univ Sci, Yamaguchi, Japan
来源：
INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND APPLIED COMPOSITE MATERIALS | 2018年 / 307卷
关键词：
D O I：
10.1088/1757-899X/307/1/012040
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Low-alloy steels are based on carbon steel in combination with several percent or less (in many cases, 1 mass%) alloying elements, and they offer improved resistance to corrosion at a cost slightly higher than that of carbon steel. However, these materials do not exhibit the same corrosion resistance as stainless steel. The authors have previously developed a novel multifunction cavitation (MFC) technique, which combines ultrasonic cavitation with water jet cavitation. In this study, MFC was used to modify the surface of Cr-Mo steel (SCM435) and NiCr-Mo steel (SNCM630). MFC was found to improve the residual stress value of the material as the result of surface modification while also imparting high strength and superior corrosion resistance.
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页数：8
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