本文主要针对预氧化聚碳硅烷纤维的恒温烧结过程进行了基础方面的研究.采用XPS、TG-DTG-DTA、IR对预氧化聚碳硅烷原纤维进行标定;采用日本精密天平连续跟踪纤维质量变化情况,探讨了烧结过程中温度对纤维失重及收缩的影响;采用IR、SEM和数码相机分析了纤维恒温烧结过程中微观结构和宏观形貌的变化情况,并对预烧结纤维进行了二次烧结.
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