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Fabrication of Titanium Diboride-Cu Composite by Self-High Temperature synthesis plus Quick Press

Journal of materials Science & technology 2005年第6期21卷 841-844页

作者： jinyong zhang+, zhengyi fu and weimin wangstate key lab of advanced technology for materials synthesis and processing, wuhan university of technology, wuhan 430070, china State key lab. of advanced technology for materials synthesis and processing Wuhan University of Technology Wuhan 430070 China

Titanium diboride based composites, good candidates for contact materials, have high hardness, Young＇s modulus, high temperature stability, and excellent electrical, thermal conductivity. However a good interface of TiB2/Cu is very difficult to achieve for oxidation of TiB2. To avoid this oxidation behavior, the in situ combusting synthesis technology, SHS, was used to prepare TiB2/Cu composite. The characters of Ti-B-xCu SHS were studied in detail, such as combustion temperature, products phases and grain size. Based on the experimental results a proper technology way of self-high temperature synthesis plus quick press （SHS/QP） was determined and compact TiB2/Cu composites with relative density over than 97 pct of the theoretical were fabricated by this method. The properties and microstructures of these TiB2 based composites were also investigated.

关键词： Self-high temperature synthesis (SHS) TiB2 Composite

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Numerical Simulation of the Temperature Field in Sintering of TiB_2-BN by SPS

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Journal of wuhan university of technology(materials Science) 2006年第3期21卷 126-128页

作者：王玉成 State key lab of advanced technology for materials synthesis and processing Wuhan University of TechnologyWuhan 430070 China

The temperature field during the whole process of SPS sintering TiB2 -BN sample was numerically simulated based on the simplification of the temperature rising process. The result shows that the highest temperature is found in the punch and the heat flows from punch to sample and die in SPS sintering system. In the radial direction, the center temperature of the sample is much higher than the circumference temperature of the sampie. In the axial direction, the center temperature of the sample is lower than the border temperature of the sampie. The temperature difference in the sample is growing bigger in the sintering process and reaches the maximum at the end of the heating-up process.

关键词： numerical simulation temperature field SPS TiB2 -BN

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陶瓷-金属复合材料制备与研究

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武汉工业大学学报 1999年第2期21卷 10-13页

作者：张金咏傅正义王为民武汉工业大学

介绍了陶瓷－金属复合材料的复合体系选择，各种制备工艺，及当前的一些研究进展。

关键词：陶瓷-金属复合材料制备原位复合润湿性

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