Fabrication and Analysis of the Wear Properties of Hot-Pressed Al-Si/SiCp + Al-Si-Cu-Mg Metal Matrix Composite

被引：4

作者：

Bang, Jeongil ^{[1
]}

Oak, Jeong-Jung ^{[2
]}

Park, Yong Ho ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Mat Sci & Engn, Busan 609735, South Korea

[2] Pusan Natl Univ, GCRC SOP, Busan 609735, South Korea

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2016年 / 25卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

aluminum; mechanical properties; metal matrix composites; microstructures; sintering; wear; DRY SLIDING WEAR; REINFORCED ALUMINUM; MATRIX COMPOSITES; ALLOYS; BEHAVIOR; MODEL; CAST;

D O I：

10.1007/s11665-015-1827-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of this study was to characterize microstructures and mechanical properties of aluminum metal matrix composites (MMC's) prepared by powder metallurgy method. Consolidation of mixed powder with gas atomized Al-Si/SiCp powder and Al-14Si-2.5Cu-0.5Mg powder by hot pressing was classified according to sintering temperature and sintering time. Sintering condition was optimized using tensile properties of sintered specimens. Ultimate tensile strength of the optimized sintered specimen was 228 MPa with an elongation of 5.3% in longitudinal direction. In addition, wear properties and behaviors of the sintered aluminum-based MMC's were analyzed in accordance with vertical load and linear speed. As the linear speed and vertical load of the wear increased, change of the wear behavior occurred in order of oxidation of Al-Si matrix, formation of C-rich layer, Fe-alloying to matrix, and melting of the specimen

引用

页码：102 / 115

页数：14

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