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Enhanced tensile properties of Al matrix composites reinforced with β-Si3N4whiskers
Zhang, Chenxu1,2; Yin, Jinwei1; Yao, Dongxu1; Zuo, Kaihui1; Xia, Yongfeng1; Liang, Hanqin1; Zeng, Yuping1
2017
发表期刊Composites Part A: Applied Science and Manufacturing
ISSN1359835X
卷号102页码:145-153
摘要Al matrix composites reinforced with β-Si3N4whiskers (β-Si3N4w) were fabricated by hot pressing method. The microstructures showed that the whiskers were uniformly dispersed in the matrix and the Al/β-Si3N4interface was well bonded without interface reaction. Effects of β-Si3N4w content and sintering parameters on the densification and tensile behavior of composites were investigated. The results indicated that β-Si3N4w could both enhance the ultimate tensile strength (UTS) and maintain the ductility of Al matrix when the whisker content was 5 vol%, corresponding to an elongation at break and an UTS of 21.2% and 239 MPa, respectively. However, higher whisker content could improve UTS of composites to the maximum value of 312 MPa, which was 158 MPa higher than pure Al, while reducing elongation of composites. The fracture mechanism changed from ductile fracture to a combination of both ductile and brittle fracture mechanism with the increase of whisker content. © 2017 Elsevier Ltd
DOI10.1016/j.compositesa.2017.07.025
EI入藏号20173204037777
EI主题词Metallic matrix composites
EI分类号531 Metallurgy and Metallography - 951 Materials Science
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25684
专题中国科学院上海硅酸盐研究所
作者单位1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Zhang, Chenxu,Yin, Jinwei,Yao, Dongxu,et al. Enhanced tensile properties of Al matrix composites reinforced with β-Si3N4whiskers[J]. Composites Part A: Applied Science and Manufacturing,2017,102:145-153.
APA Zhang, Chenxu.,Yin, Jinwei.,Yao, Dongxu.,Zuo, Kaihui.,Xia, Yongfeng.,...&Zeng, Yuping.(2017).Enhanced tensile properties of Al matrix composites reinforced with β-Si3N4whiskers.Composites Part A: Applied Science and Manufacturing,102,145-153.
MLA Zhang, Chenxu,et al."Enhanced tensile properties of Al matrix composites reinforced with β-Si3N4whiskers".Composites Part A: Applied Science and Manufacturing 102(2017):145-153.
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