Surface characterization and growth mechanism of laminated Ti3SiC2 crystals fabricated by hot isostatic pressing

被引：32
作者：
Wu, Qiong [1 ]
Li, Changsheng [1 ]
Tang, Hua [1 ]
机构：
[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 23期
关键词：
Ti3SiC2; Hot isostatic pressing; Growth mechanism; DEFORMATION; TEMPERATURE; MORPHOLOGY; CARBIDE;
D O I：
10.1016/j.apsusc.2010.05.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Laminated Ti3SiC2 crystals were prepared by hot isostatic pressing from Ti, Si, C and Al powders with NaCl additive in argon at 1350 degrees C. The morphology and microstructure of Ti3SiC2 crystals were investigated by means of XRD, SEM, and TEM. The high symmetry and crystalline was revealed by high resolution transmission electronic microscope (HRTEM) and selected area electron diffraction (SAED). The growth mechanism of Ti3SiC2 crystals controlled by two-dimensional nucleation was put forward. The growth pattern of layered steps implies that the growth of the (002) face should undergo two steps, the intermittent two-dimensional nucleation and the continuous lateral spreading of layers on growth faces. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：6986 / 6990
页数：5
相关论文
共 21 条
[1]   Electron-backscattered diffraction and transmission electron microscopy study of post-creep Ti3SiC2 [J].
Barcelo, F. ;
Doriot, S. ;
Cozzika, T. ;
Le Flem, M. ;
Bechade, J. L. ;
Radovic, M. ;
Barsoum, M. W. .
JOURNAL OF ALLOYS AND COMPOUNDS, 2009, 488 (01) :181-189
[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]   Fully reversible, dislocation-based compressive deformation of Ti3SiC2 to 1GPa [J].
Barsoum, MW ;
Zhen, T ;
Kalidindi, SR ;
Radovic, M ;
Murugaiah, A .
NATURE MATERIALS, 2003, 2 (02) :107-111
[4]   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
[5]   Thermal properties of Ti3SiC2 [J].
Barsoum, MW ;
El-Raghy, T ;
Rawn, CJ ;
Porter, WD ;
Wang, H ;
Payzant, EA ;
Hubbard, CR .
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1999, 60 (04) :429-439
[6]   Synthesis and characterization of a remarkable ceramic: Ti3SiC2 [J].
Barsoum, MW ;
ElRaghy, T .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1996, 79 (07) :1953-1956
[7]   Crystal growth from solutions [J].
Berg, WF .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1938, 164 (A916) :0079-0095
[8]   TOWARD AN ABINITIO DERIVATION OF CRYSTAL MORPHOLOGY [J].
BERKOVITCHYELLIN, Z .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1985, 107 (26) :8239-8253
[9]  
Donnay JDH, 1937, AM MINERAL, V22, P446
[10]   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
123