Improved microstructure and properties of 12Cr2Ni4A alloy steel by vacuum carburization and Ti plus N co-implantation

被引：16
|
作者：
Dong, Meiling [1 ]
Cui, Xiufang [2 ]
Jin, Guo [1 ]
Wang, Haidou [3 ]
Cai, Zhaobing [1 ]
Song, Shengqiang [1 ]
机构：
[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Inst Surface Interface Sci & Technol, Key Lab Superlight Mat & Surface Technol,Minist E, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Heilongjiang, Peoples R China
[3] Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2018年 / 440卷
基金：
中国国家自然科学基金;
关键词：
Vacuum carburization; Ion implantation; Nano-hardness; Corrosion resistance; ION-IMPLANTATION; MECHANICAL-PROPERTIES; CORROSION-RESISTANCE; DOPED TIO2; COATINGS; LANTHANUM; XPS; PERFORMANCE; GRAPHENE; BEHAVIOR;
D O I：
10.1016/j.apsusc.2018.01.171
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The carburized 12Cr2Ni4A alloy steel was implanted by Ti + N double elements implantation. The microstructure, nano-hardness and corrosion properties were investigated by EPMA, TEM, XPS, nano-hardness and electrochemistry tests in detail. The results showed that the Ti + N co-implanted layer is composed of FCC TiN and TiC phases with BCC martensite. Compared with the un-implanted layer, the Ti + N implanted layer has higher nano-hardness and better corrosion resistance. In addition, the higher nano-hardness was presented below the surface of 1800 nm compared with un-implanted layer, which is far beyond the thickness of the implanted layer. The results also indicated that the generation of nanoscale ceramic phase and structures are not the only factor to impose the influence on the nano-hardness and corrosion resistance, but the radiation damage and lattice distortion will play an important role. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：660 / 668
页数：9
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