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2005年08月30日

【期刊论文】Preparation, microstructure and properties of reaction-bonded AIN ceramics

蔡克峰， K. F. Cai*，， D. S. McLachlan

K. F. Cai, D. S. McLachlan/Materials Research Bulletin 37(2002)575-581，-0001，（）：

-1年11月30日

AIN ceramics were prepared via aa reaction-bonding technique, using Al and AIN powders as the starting materials. The effects of processing parameters and CaO as an additive were investigated. An AIN ceramic sintered at 1800℃ with 0.5 wt.% CaO is highly densified and its dielectric constant and dielectric loss tgδ are 9.4 and 0.0002 at 1 MHz, respectively, Its electrical resistivity and Vickers hardness are 2.88×1012Ωcm, 1210kg/mm2, respectively.

A.， Nitrides， A.， Ceramics， B.， Chemical synthesis， C.， X-ray diffraction， D.， Dielectric properties

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2005年08月30日

【期刊论文】THE MICROSTRUCTURE OF (Nb, Ti) C-35Ni (Y2O3) CERMET

蔡克峰， Ke-feng Cai*， Ce-Wen Nan， and Xin-min Min

Meterials Research Bulletin, Vol 32, No.10: pp. 1327-1332, 1997，-0001，（）：

-1年11月30日

摘要

The microstructure of (Nb, Ti) C-35Ni (Y2O3) cermet prepared via hot iso-static pressing (HIP) is observed by transmission electron microscopy (TEM). The mechanism of Y2O3 improving the flexural strength at high temperature of the cermet is suggested and the reasons for no surrounding structure formation in the cermet are explaind.

A.， ceramics,， A,， structural materials,， C.， electron microscopy,， D.， mechanical propertties,， D.， microstructure

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2005年08月30日

【期刊论文】Effect of porosity on the thermal-electric properties of Al-doped SiC ceramics

蔡克峰， KE-FENG CAI， JIN-PING LIU， CE-WEN NAN， XIN-MIN MIN

，-0001，（）：

-1年11月30日

摘要

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2005年08月30日

【期刊论文】Ultra Long SiC/SiO2 Core-Shell Nanocables from Organic Precursor

蔡克峰， K. F. Cai， * Q. Lei， and L. C. Zhang

Journal of Nanoscience and Nanotechnology Vol.5, 1-4, 2005，-0001，（）：

-1年11月30日

摘要

Ultra long SiC core and SiO2 shell nanocables have been prepared by pyrolysis of poly (dimethyl siloxane) at 1050℃ in ﬂowing Argon. The longest nanocable can be up to at least 6mm. Transmission electron microscopy observations indicate that the diameter of the cores varies from about 3 to 18nm, and the thickness of the outer sheaths varies from about 6 to 45nm and that the cores are crystalline and the sheaths are amorphous. The growth of the nanocables may be governed by a chemical vapor solid process. The nanocables exhibit good photoluminescence property.

SiC,， SiO2,， Nanocables,， Nanostructures,， Poly (， Dimethyl Siloxane)， ,， Pyrolysis,， Crystal Growth,， Chemical Vapor Deposition.，

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2005年08月30日

【期刊论文】Sol-gel processing of ZnO-coated TiB2 composite powders

蔡克峰， K. F. Cai a， b， *， E. Mueller a， C. Drasar a， A. Mrotzek a

K. F. Cai et al./Materials Letters 57(2003)4251-4255，-0001，（）：

-1年11月30日

摘要

A sol-gel method for the preparation of ZnO-coated TiB2 composite powders, using inexpensive zinc acetate, is described. It yields composite powders of TiB2 particles coated with fine ZnO grains. The composite powders can be hot pressed at relatively low temperature and a 10 vol.%TiB2-ZnO sample shows much better thermoelectric (TE) properties than pure ZnO ceramic.

Composite materials， Sol-gel preparation， Thermal properties， Electrical properties

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