Self-assembled, aligned TiC nanoplatelet-reinforced titanium composites with outstanding compressive properties

被引：58
|
作者：
Luo, S. D. [1 ]
Li, Q. [2 ]
Tian, J. [3 ]
Wang, C. [4 ]
Yan, M. [1 ]
Schaffer, G. B. [1 ]
Qian, M. [1 ]
机构：
[1] Univ Queensland, Sch Mech & Min Engn, ARC Ctr Excellence Design Light Met, Brisbane, Qld 4072, Australia
[2] Griffith Univ, Environm Engn & Queensland Micro & Nanotechnol Ct, Brisbane, Qld 4111, Australia
[3] Australian Natl Univ, Res Sch Phys & Engn, Canberra, ACT 0200, Australia
[4] Curtin Univ Technol, Dept Chem Engn, Perth, WA 6845, Australia
来源：
SCRIPTA MATERIALIA | 2013年 / 69卷 / 01期
关键词：
Titanium; Metal matrix composites (MMCs); Powder processing; Sintering; Nanometric titanium carbide; METAL-MATRIX COMPOSITES; MECHANICAL-PROPERTIES; AQUEOUS ROUTE; NANOCOMPOSITES; MICROSTRUCTURE; ALLOYS; PURE;
D O I：
10.1016/j.scriptamat.2013.03.017
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
TiC nanoplatelet-reinforced titanium composites were synthesized through a novel fabrication approach that combines resol nanosphere (10-30 nm) coating with conventional powder metallurgy. The resulting TiC nanoplatelets, 28-130 nm thick, are self-assembled, well aligned in each individual grain but randomly orientated throughout the microstructure. The as-sintered Ti-TiC composites exhibit outstanding compressive properties, with ultimate strength = 2.54 GPa, yield strength = 1.52 GPa and strain to fracture = 44.4%, stronger than all other advanced Ti materials reported to date. (c) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：29 / 32
页数：4
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