碳源对先驱体转化法制备TaC陶瓷粉体微观结构及性能影响
孙敬伟1(
), 王洪磊1(), 孙楚函1, 周新贵1, 纪小宇1,2()
), 王洪磊1(), 孙楚函1, 周新贵1, 纪小宇1,2()
Effects of Carbon Sources on Structure and Properties of TaC Ceramic Powder Prepared by Polymer Derived Ceramics
SUN Jingwei1(), WANG Honglei1(), SUN Chuhan1, ZHOU Xingui1, JI Xiaoyu1,2()
), WANG Honglei1(), SUN Chuhan1, ZHOU Xingui1, JI Xiaoyu1,2()
图4. 不同裂解温度及不同钽碳比例所得陶瓷产物的XRD图谱
Fig. 4. XRD patterns of ceramic products obtained at different pyrolysis temperatures and tantalum/carbon ratios
(a) PTC1-25, 800~1500 ℃; (b) PTC1-(10~40), 1400 ℃, 2 h; (c) PTC2-(20~45), 1400 ℃ 2 h
