Abstract：Using zirconium tetrachloride as zirconium source, and benzyl methanol as carbon source, precursor benzyl alcohol zirconium (BAZ) of high carbon zirconium ratio (28:1 atomic ratio) zirconium carbide ceramic was prepared by 3 different solvents (p-xylene solvent, m-xylene solvent and xylene solvent). The structure of the BAZ was characterized by FT-IR. The heat-resistant property was studied by TGA and the transformation of ceramic was studied by XRD. The results show that all zirconium carbide precursors prepared by different solvents are pyrolysised during 600-700 ℃ and turn to ZrC after 1 500 ℃ heat treatment. The precursor prepared by p-xylene solvent has the highest ceramic yield of 51.8% after 1 600 ℃ heat treatment with argon gas protection. The precursor prepared by xylene solvent has the highest pyrolysis temperature that is 670 ℃.
李一鸣, 苏哲安, 杨鑫, 黄启忠, 邵俊杰, 王宇杰, 方存谦. 有机合成高碳锆比碳化锆陶瓷的先驱体及其热裂解性能[J]. 粉末冶金材料科学与工程, 2019, 24(1): 89-94.
LI Yiming, SU Zhean, YANG Xin, HUANG Qizhong, SHAO Junjie, WANG Yujie, FANG Cunqian. Organic synthesis and pyrolysis properties of high carbon-zirconium ratio zirconium carbide precursor. Materials Science and Engineering of Powder Metallurgy, 2019, 24(1): 89-94.
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2019, Vol. 24 
