中国激光, 1993, 20 (8): 616, 网络出版: 2007-12-07
大功率CO2激光器合成新型钨酸铝热敏材料的研究
Investigation on linear NTC aluminium tungstate ceramics synthesized by high power CW CO2laser
摘要
本文采用激光烧结新工艺合成了Al2O3-WO3系负温度系数(NTC)热敏陶瓷材料。该材料在一定温区及组成下阻温关系呈线性变化,分析表明,材料中的导电相为非平衡相铝钨青铜AlxWO3。
Abstract
This paper introduces laser powder sintering as a new technique to synthesize electronic ceramics consisting of A12O3-WO3 system. This material has some unique properties such as linear decrease in resistivity of A12O3- 50 mol % WO3 specimens with increasing temperature over the range of 10 ℃ to 150 ℃. X-ray photographic powder analysis indicated that the conducting phase in the specimen is a nonequilibrium product:A1xWO3.
郑芳, 李兴教, 苏武大, 梁俊文, 白铁城, 曾祥斌, 李再光, 李家镕, 郑启光, 陶星芝, 王涛. 大功率CO2激光器合成新型钨酸铝热敏材料的研究[J]. 中国激光, 1993, 20(8): 616. 郑芳, 李兴教, 苏武大, 梁俊文, 白铁城, 曾祥斌, 李再光, 李家镕, 郑启光, 陶星芝, 王涛. Investigation on linear NTC aluminium tungstate ceramics synthesized by high power CW CO2laser[J]. Chinese Journal of Lasers, 1993, 20(8): 616.
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