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

页码：29 / 32

页数：4

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