The composite material(BNf-SiO_2)was made by adding boron nitride fiber into the basalsilica. The thermal expansion characteristics of the composite material(BNf-SiO_2)are studiedin this paper.

• 本文对石英基体内添加氮化硼纤维制成的复合材料(BNf-SiO_2)的热膨胀特性进行了研究.