Effect of V content on microstructure and properties of laser-solidified Fe60(NiCrCoTiVx)40 (x=0, 0.5, 1) multicomponent alloy coatings on AISI 1045 steel

被引：21
作者：
Cai, Zhaobing [1 ,2 ]
Cui, Xiufang [2 ]
Jin, Guo [1 ]
Liu, Zhe [2 ]
Tan, Na [2 ]
Li, Yang [1 ]
Dong, Meiling [1 ,2 ]
Zhang, Dan [2 ]
机构：
[1] Minist Educ, Key Lab Superlight Mat & Surface Technol, Inst Surface Interface Sci & Technol, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Heilongjiang, Peoples R China
来源：
MATERIALS CHARACTERIZATION | 2017年 / 132卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Laser surface alloying; Multicomponent alloy coating; Wear resistance; Corrosion resistance; Low cost; HIGH-ENTROPY ALLOY; MECHANICAL-PROPERTIES; BEHAVIOR; TI; RESISTANCE; EVOLUTION; SUBSTRATE;
D O I：
10.1016/j.matchar.2017.09.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe-60(NiCrCoTiVx)(40) (x = 0, 0.5, 1) multicomponent alloy coatings on low-cost AISI 1045 steel were successfully prepared by laser surface alloying. The effect of V content on microstructure, micro-hardness, wear resistance and corrosion resistance were studied in detail. The Fe-60(NiCrCoTiVx)(40) (x = 0, 0.5, 1) multicomponent alloy coatings are all composed of a FCC solid solution phase and a BCC solid solution phase with a Fe2Ti-type Laves phase. The lattice parameter of the BCC solid solution phase is not sensitive to V content, but the addition of V leads to the decrease of FCC content and the refinement of Fe2Ti-type Laves phase. The addition of V significantly affects the properties of coatings, and the Fe-60(NiCrCoTiV0.5)(40) multicomponent alloy coating has higher micro-hardness and better wear resistance while the Fe-60(NiCrCoTiV2)40 multicomponent alloy coating has the best corrosion resistance. In addition, the corrosion resistance of Fe-60(NiCrCoTiVx)(40) (x = 0, 0.5, 1) multicomponent alloy coatings are better than that of the corresponding reference material. The results also indicate that micro-hardness is not the only factor to impose the influence on the wear resistance and the place where corrosion first occurs may be along with the Fe2Ti-type Laves phase.
引用
收藏
页码：373 / 380
页数：8
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