Heterogeneous interfacial chemical nature and bonds in a W-coated diamond/Al composite

被引：23

作者：

Ji, Gang ^{[1
,2
]}

Tan, Zhanqiu ^{[3
]}

Lu, Yinggang ^{[2
,4
]}

Schryvers, Dominique ^{[2
]}

Li, Zhiqiang ^{[3
]}

Zhang, Di ^{[3
]}

机构：

[1] Univ Lille 1, UMR CNRS 8207, Unite Mat & Transformat, Batiment C6, F-59655 Villeneuve Dascq, France

[2] Univ Antwerp, Electron Microscopy Mat Sci EMAT, Groenenborgerlaan 171, B-2020 Antwerp, Belgium

[3] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China

[4] Univ N Carolina, Dept Mech Engn & Engn Sci, Charlotte, NC 28223 USA

来源：

MATERIALS CHARACTERIZATION | 2016年 / 112卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Metal matrix composites (MMC); Scanning/transmission electron microscopy (STEM); Electron energy loss spectroscopy (EELS); Interface structure; Interfacial thermal resistance; METAL-MATRIX COMPOSITES; THERMAL-CONDUCTIVITY; POWDER-METALLURGY; CONDUCTANCE; ALUMINUM; CARBIDES;

D O I：

10.1016/j.matchar.2015.12.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Heterogeneous Al/Al4C3/Al2O3/diamond({111}), Al/nanolayered Al4C3/diamond({111}) and Al12W particle/Al4C3/Al2O3/diamond({111}) multi-interfaces have been developed at the nanoscale in a W-coated diamond/Al composite produced by vacuum hot pressing. The formation of nanoscale Al4C3 crystals is strongly associated with local 0 enrichment and can be further promoted by Al12W interfacial particles. The latter effectively contributes to enhance interfacial chemical bonding reducing interfacial thermal resistance and, in turn, enhancing thermal conductivity. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：129 / 133

页数：5

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