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2 不同直径SiC纤维的力学性能

Table 2 Mechanical properties of SiC fibers with different diameters

Samples PCS fiber diameter/μm SiC fiber diameter/μm Strength /GPa Modulus /GPa SiC-1 13.5 9.5 2.9 233 SiC-2 16.0 10.7 2.4 210 SiC-3 17.4 12.1 1.8 191 SiC-4 18.3 13.8 1.7 181