Carbon fibers coated with B4C were made by chemical vapor deposition (CVD) technique in flowing mixture gas of H2, BCl3 and CH4. The optimum conditions were obtained by the orthogonal method.

• 以CH4,BCl3,H2为原料气,采用化学气相沉积法(常压CVD)在炭纤维表面连续涂覆B4C,通过正交实验得到最佳涂覆条件;