熔融纺丝过程优化制备细直径碳化硅纤维及其对力学性能的影响

王国栋, 宋永才

Enhancing Mechanical Property of SiC Fiber by Decreasing Fiber Diameter through a Modified Melt-spinning Process

Guo-Dong WANG, Yong-Cai SONG

表3 不同直径SiC纤维Weibull参数

Table 3 Weibull parameters of SiC fibers with different diameters

Samples SiC fiber diameter/μm Weibull modulus Scale parameter, σ0/GPa Related coefficient, R2 SiC-1 9.5 0.26 0.011 0.95 SiC-2 10.7 0.25 0.019 0.97 SiC-3 12.1 0.22 0.034 0.95 SiC-4 13.8 0.16 0.017 0.97