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In-situ reaction synthesis and decomposition of Ta2AlC
Hu, Chunfeng1,2; Zhang, Jie1,2; Bao, Yiwang1; Wang, Jingyang1; Li, Meishuan1; Zhou, Yanchun1
Corresponding AuthorZhou, Yanchun(yczhou@imr.ac.cn)
2008
Source PublicationINTERNATIONAL JOURNAL OF MATERIALS RESEARCH
ISSN1862-5282
Volume99Issue:1Pages:8-13
AbstractDense bulk Ta2AlC ceramic was fabricated by in-situ reaction/hot pressing of Ta, Al and C powders. The reaction path and effects of initial composition on the purity were investigated. It was found that Ta2AlC formed through the reactions between AlTa2 and graphite, or between Ta5Al3C, TaC and graphite at 1500-1550 degrees C. By modifying the molar ratio of the initial Ta, Al, and C powders, single-phase Ta2AlC was prepared at 1550 degrees C under an Ar atmosphere with an optimized composition of Ta: Al: C = 2: 1.2: 0.9. The lattice parameter and a new set of X-ray diffraction data of Ta2AlC were obtained. In addition, Ta2AlC was reported unstable above 1600 degrees C and decomposed to Ta4AlC3, and then to TaCx.
KeywordTa2AlC synthesis decomposition
DOI10.3139/146.101598
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000252804500002
PublisherCARL HANSER VERLAG
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/94895
Collection中国科学院金属研究所
Corresponding AuthorZhou, Yanchun
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Hu, Chunfeng,Zhang, Jie,Bao, Yiwang,et al. In-situ reaction synthesis and decomposition of Ta2AlC[J]. INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,2008,99(1):8-13.
APA Hu, Chunfeng,Zhang, Jie,Bao, Yiwang,Wang, Jingyang,Li, Meishuan,&Zhou, Yanchun.(2008).In-situ reaction synthesis and decomposition of Ta2AlC.INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,99(1),8-13.
MLA Hu, Chunfeng,et al."In-situ reaction synthesis and decomposition of Ta2AlC".INTERNATIONAL JOURNAL OF MATERIALS RESEARCH 99.1(2008):8-13.
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