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	The formation of Ni-Mo alloy phase in TiCN-based cermets
	Qi, L. ; Wang, W. ; Pan, W. ; Miao, H.
	2010-05-10 ; 2010-05-10
会议名称	Key Engineering Materials ; Euro Ceramics. 8th Conference and Exhibition of the European Ceramic Society ; Istanbul, Turkey ; INSPEC
关键词	Experimental/ alloying additions cermets chemical vapour deposition crystal microstructure functionally graded materials molybdenum alloys nickel alloys particle size plasma materials processing powder technology powders sintering surface structure titanium compounds X-ray diffraction/ TiCN based functionally graded cermets NiMo alloy phase formation spark plasma sintering technology spheric particles cermet grains XRD X-ray diffraction particle size Ni powders Mo powders super fine TiCN powders homogeneous metal binders 1500 degC 1600 degC 1.5 min 2 to 15 micron 0.5 min TiCN-(MoNi)/sub 0.135// A8115H Chemical vapour deposition A6480G Microstructure A6820 Solid surface structure A6855 Thin film growth, structure, and epitaxy A5275R Plasma applications in manufacturing and materials processing/ temperature 1.77E+03 K temperature 1.87E+03 K time 9.0E+01 s size 2.0E-06 to 1.5E-05 m time 3.0E+01 s/ TiCNMoNi/sur CN/sur Mo/sur Ni/sur Ti/sur C/sur N/sur TiCNMoNi/ss CN/ss Mo/ss Ni/ss Ti/ss C/ss N/ss
中文摘要	Ni-Mo alloy phase formed in TiCN-based functionally graded cermets was fabricated by spark plasma sintering (SPS) technology. Mo and Ni powders were originally added as metal binders in varying amounts between 10 and 40 mass% from surface to center. The specimens were prepared from high-purity and super-fine TiCN powders, sintered at various temperatures from 1500 or 1600 degrees C for 0.5 or 1.5 minutes. It was discovered that an alloy phase formed in the layers containing about 15 mass% metal binder. The alloys appeared as nearly spheric particles and their diameters were about 2~15 mu m, which were far larger than that of cermet grains. There were obvious fractures near the alloy. The major XRD peaks of the alloys agreed with those of Ni(C) and MoNi/sub 4 /. TiCN-based cermets containing homogeneous metal binders were fabricated in the same process. The same alloy phase was found in TiCN-(Mo, Ni)/sub 0.135/ at 1500 degrees C and 1600 degrees C.
会议录出版者	Trans Tech Publications ; Switzerland
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18307]
专题	清华大学
推荐引用方式 GB/T 7714	Qi, L.,Wang, W.,Pan, W.,et al. The formation of Ni-Mo alloy phase in TiCN-based cermets[C]. 见:Key Engineering Materials, Euro Ceramics. 8th Conference and Exhibition of the European Ceramic Society, Istanbul, Turkey, INSPEC.

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