Mechanical properties and tribological behavior of aluminum matrix composites reinforced with Fe-based metallic glass particles: Influence of particle size

被引：27

作者：

He, Tianbing ^{[1
]}

Lu, Tiwen ^{[1
,2
]}

Ciftci, Nevaf ^{[3
]}

Tan, Hui ^{[4
]}

Uhlenwinkel, Volker ^{[3
,5
]}

Nielsch, Kornelius ^{[6
,7
,8
]}

Scudino, Sergio ^{[1
]}

机构：

[1] Leibniz IFW Dresden, Inst Complex Mat, D-01069 Dresden, Germany

[2] South China Univ Technol, Guangdong Key Lab Adv Metall Mat Proc, Guangzhou 510640, Guangdong, Peoples R China

[3] Leibniz Inst Mat Engn IWT, D-28359 Bremen, Germany

[4] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[5] Univ Bremen, Fac Prod Engn, D-28359 Bremen, Germany

[6] Leibniz IFW Dresden, Inst Metall Mat, D-01069 Dresden, Germany

[7] Tech Univ Dresden, Inst Mat Sci, D-01062 Dresden, Germany

[8] Tech Univ Dresden, Inst Appl Phys, D-01062 Dresden, Germany

来源：

POWDER TECHNOLOGY | 2020年 / 361卷

关键词：

Aluminum matrix composite (AMC); Metallic glass (MG); Particle size; Mechanical property; Dry sliding wear; SLIDING WEAR BEHAVIOR; POWDER-METALLURGY; RATIO PSR; ALLOY; MICROSTRUCTURE; FABRICATION; RESISTANCE; FRICTION; DESIGN;

D O I：

10.1016/j.powtec.2019.11.088

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Aluminum matrix composites consisting of Al2024 and Fe-based metallic glass powders were prepared via powder metallurgy by using an optimized matrix to reinforcement particle size ratio, the influence of glassy particle size on mechanical properties and dry sliding wear behavior of the composites were investigated. The composites showed dense structure and homogenous three-dimensional distribution of the reinforcements independent of particle size. The particle size has negligible influence on yield strength, while ultimate tensile strength and ductility gradually decrease with increasing particle size. Reduced specific wear rate was observed when particle size increases, most likely because of the evolution of the surface topography during sliding where the wear of matrix is protected when particles are large. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：512 / 519

页数：8

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