Effect of Al addition on pressureless reactive sintering of Ti3SiC2

被引:49
作者
Sun, ZhengMing [1 ]
Zou, Yong [1 ]
Tada, Shuji [1 ]
Hashimoto, Hitoshi [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Nagoya, Aichi 4638560, Japan
关键词
carbides; liquid phase sintering; X-ray diffraction; binary oxides; Ti3SiC2;
D O I
10.1016/j.scriptamat.2006.08.019
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
During pressureless reactive sintering of Ti3SiC2 We found that adding small amounts of Al (similar to 0.68 wt.%) to the powder mixture of Ti/Si/2TiC improves the density of the compact by 38%, and enhances the formation of the desired phase, Ti3SiC2. Further increase in the Al content-up to 2.7 wt.%-did not show enhanced effect. The mechanism is believed to be the deoxidation of the starting powders by the molten Al. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:1011 / 1014
页数:4
相关论文
共 29 条
[1]   Long time oxidation study of Ti3SiC2,Ti3SiC2/SiC, and Ti3SiC2/TiC composites in air [J].
Barsoum, MW ;
Ho-Duc, LH ;
Radovic, M ;
El-Raghy, T .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2003, 150 (04) :B166-B175
[2]   The MN+1AXN phases:: A new class of solids;: Thermodynamically stable nanolaminates [J].
Barsoum, MW .
PROGRESS IN SOLID STATE CHEMISTRY, 2000, 28 (1-4) :201-281
[3]   Room-temperature ductile carbides [J].
Barsoum, MW ;
El-Raghy, T .
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1999, 30 (02) :363-369
[4]   Oxidation of Ti3SiC2 in air [J].
Barsoum, MW ;
ElRaghy, T ;
Ogbuji, LUJT .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (07) :2508-2516
[5]   Synthesis and characterization of a remarkable ceramic: Ti3SiC2 [J].
Barsoum, MW ;
ElRaghy, T .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1996, 79 (07) :1953-1956
[6]   Cyclic fatigue-crack growth and fracture properties in Ti3SiC2 ceramics at elevated temperatures [J].
Chen, D ;
Shirato, K ;
Barsoum, MW ;
El-Raghy, T ;
Ritchie, RO .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2001, 84 (12) :2914-2920
[7]   Processing and mechanical properties of Ti3SiC2:: I, reaction path and microstructure evolution [J].
El-Raghy, T ;
Barsoum, MW .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1999, 82 (10) :2849-2854
[8]   Processing and mechanical properties of Ti3SiC2:: II, effect of grain size and deformation temperature [J].
El-Raghy, T ;
Barsoum, MW ;
Zavaliangos, A ;
Kalidindi, SR .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1999, 82 (10) :2855-2860
[9]   CHEMICALLY VAPOR-DEPOSITED TI3SIC2 [J].
GOTO, T ;
HIRAI, T .
MATERIALS RESEARCH BULLETIN, 1987, 22 (09) :1195-1201
[10]   CRYSTAL STRUCTURE OF TI3SIC2 A NEW TYPE OF COMPLEX CARBIDE [J].
JEITSCHKO, W ;
NOWOTNY, H .
MONATSHEFTE FUR CHEMIE, 1967, 98 (02) :329-+