Microstructure and high-temperature wear and oxidation resistance of laser clad gamma/W2C/TiC composite coatings on gamma-TiAl intermetallic alloy
文献类型:期刊论文
作者 | Liu XB(刘秀波)![]() |
刊名 | Journal of Alloys and Compounds
![]() |
出版日期 | 2007 |
卷号 | 439期号:1-2页码:279-286 |
通讯作者邮箱 | liubobo0828@yahoo.com.cn |
关键词 | Gamma-Tial Intermetallic Alloy Gamma/W2C/Tic Composite Coatings High-Temperature Wear Resistance Laser Cladding Tungsten Carbide Wc-Co Behavior |
ISSN号 | 0925-8388 |
通讯作者 | Liu, XB (reprint author), Chinese Acad Sci, Inst Mech, Lab Laser Intelligent Mfg, 15 Beisihuanxi Rd, Beijing 100080, Peoples R China. |
中文摘要 | There are very strong interests in improving the high-temperature wear resistance of the y-TiAl intermetallic alloy, especially when applied as tribological moving components. In this paper, microstructure, high-temperature dry sliding wear at 600 degrees C and isothermal oxidation at 1000 degrees C on ambient air of laser clad gamma/W2C/TiC composite coatings with different constitution of Ni-Cr-W-C precursor mixed powders on TiAl alloy substrates have been investigated. The results show that microstructure of the laser fabricated composite coatings possess non-equilibrium microstructure consisting of the matrix of nickel-base solid solution gamma-NiCrAl and reinforcements of TiC, W2C and M23C6 carbides. Higher wear resistance than the original TiAl alloy is achieved in the composite coatings under high-temperature wear test conditions. However, the oxidation resistance of the laser clad gamma/W2C/TiC composite coatings is deceased. The corresponding mechanisms resulting in the above behaviors of the laser clad composite coatings are discussed. (c) 2006 Elsevier B.V. All rights reserved. |
类目[WOS] | Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
研究领域[WOS] | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
关键词[WOS] | TUNGSTEN CARBIDE ; WC-CO ; BEHAVIOR |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000247383300048 |
公开日期 | 2009-08-03 ; 2010-06-13 |
源URL | [http://dspace.imech.ac.cn/handle/311007/33961] ![]() |
专题 | 力学研究所_力学所知识产出(1956-2008) |
推荐引用方式 GB/T 7714 | Liu XB,Yu RL. Microstructure and high-temperature wear and oxidation resistance of laser clad gamma/W2C/TiC composite coatings on gamma-TiAl intermetallic alloy[J]. Journal of Alloys and Compounds,2007,439(1-2):279-286. |
APA | 刘秀波,&于荣莉.(2007).Microstructure and high-temperature wear and oxidation resistance of laser clad gamma/W2C/TiC composite coatings on gamma-TiAl intermetallic alloy.Journal of Alloys and Compounds,439(1-2),279-286. |
MLA | 刘秀波,et al."Microstructure and high-temperature wear and oxidation resistance of laser clad gamma/W2C/TiC composite coatings on gamma-TiAl intermetallic alloy".Journal of Alloys and Compounds 439.1-2(2007):279-286. |
入库方式: OAI收割
来源:力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。