Effect of carbon fiber on microstructure evolution and surface properties of FeCoCrNiCu high-entropy alloy coatings

被引：16

作者：

Zhao, Mingjuan ^{[1
]}

Wu, Tao ^{[1
]}

Liu, Dejia ^{[1
]}

Huang, Yang ^{[1
]}

Zhao, Longzhi ^{[1
]}

Tang, Yanchuang ^{[1
]}

Shen, Mingxue ^{[1
]}

Hu, Yong ^{[1
]}

Zhang, Jian ^{[1
]}

Li, Jin ^{[2
]}

Yu, Meng ^{[2
]}

Song, Lijun ^{[1
,3
]}

机构：

[1] East China Jiaotong Univ, Sch Mat Sci & Engn, Shuanggang East St 808, Nanchang 330013, Jiangxi, Peoples R China

[2] Nanchang Railway Tongda Ind & Trade Co Ltd, Nanchang, Jiangxi, Peoples R China

[3] Hunan Univ, Coll Mech & Vehicle Engn, Changsha, Hunan, Peoples R China

来源：

MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2020年 / 71卷 / 03期

基金：

中国国家自然科学基金;

关键词：

carbon fiber; corrosion resistance; hardness; high-entropy alloy; microstructure; MECHANICAL-PROPERTIES; CORROSION-RESISTANCE; BEHAVIOR;

D O I：

10.1002/maco.201911104

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

FeCoCrNiCu and C-f/FeCoCrNiCu high-entropy alloy coatings are prepared by laser cladding to study the effects of carbon fiber on the microstructure and surface properties of the FeCoCrNiCu alloy. It is found that the addition of carbon fiber has little effect on the phase structure of the FeCoCrNiCu alloy coating. However, an interesting finding is that the addition of carbon fiber could decrease the segregation of Cu-element along the grain boundaries in the FeCoCrNiCu coating. In addition, the addition of carbon fiber can significantly improve the corrosion resistance of the FeCoCrNiCu alloy coating. It can also reduce the intergranular corrosion in the coating. Moreover, the addition of carbon fiber has positive effects on the improvement in the hardness and wear resistance of the high-entropy alloys (HEAs) coatings. The decreased segregation of Cu-element along the grain boundaries is mainly attributed to the significant improvement in surface properties of the HEA coatings.

引用

页码：430 / 439

页数：10

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