【作者】 张中伟； 甄强； 许正辉； 赵高文；

【Author】 Zhang Zhongwei1,Zhen Qiang2,Xu Zhenghui1,Zhao Gaowen1 (1. National Key Denfense Laboratory of Advanced Functional Composite Materials Technology,Aerospace Research Institute of Materials and Processing Technology,Beijing 100076; 2. Advanced Material Composite and Dispersion Techology Engineering Research Center of Ministry of Education of P. R. China, Shanghai University,Shanghai 200444)

【机构】 航天材料及工艺研究所先进功能复合材料技术国防科技重点实验室； 上海大学材料复合及先进分散技术教育部工程研究中心；

【摘要】 本文通过热力学计算,分析了Zr、Hf、Ta等难熔金属化合物在高温下与C、O的化学反应以及可能的产物组成,以反应自由能为判据分析了反应活性及反应趋势,这对确定多元材料体系的制备条件以及材料在高温氧化条件下的成分变化具有重要指导意义。更多还原

【Abstract】 With thermodynamic calculation,chemistry reactions of refractory metal compounds with carbon and oxygen under high temperature were studied. According to the criterion based on free energy,the activity and trend of high temperature chemistry reactions were analyzed,which was important and significant for estimating the process condition and composition change of multi-element system under oxidation environment.更多还原