Microstructure and wear resistance of laser-melted TiC reinforced nickel aluminide dual-phase matrix in situ composite

被引：29
|
作者：
Chen, Y.
Wang, H. M.
机构：
[1] Brihang Univ, Sch Mat Sci & Engn, Lab Laser Mat Proc & Surface Engn, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Mech, Lab Laser Intelligent Mfg, Beijing 100080, Peoples R China
来源：
INTERMETALLICS | 2006年 / 14卷 / 03期
基金：
中国国家自然科学基金;
关键词：
nickel aluminides; composites; laser processing; wear-resistant applications;
D O I：
10.1016/j.intermet.2005.06.011
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：
A laser-melted TiC-reinforced nickel alummide matrix in situ composite was fabricated. The composite consisted of well-developed TiC dendrites and a (NiAl-Ni3Al) dual-phase matrix. The microstructure of the laser-melted in situ composite was characterized by optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD). Results show that the TiC/(NiAl-Ni3Al) composite has excellent wear resistance for both room- and high-temperature sliding wear test conditions. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：325 / 331
页数：7
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