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1 纺丝条件与纺丝结果

Table 1 Melting spinning conditions and result of spinning

Samples Spinning temperature/℃ Winding speed /(m•min-1) Pressure /MPa Continue spinning time/min Diameter /μm PCSf-1 336 240 0.25 35.0 14.7 PCSf-2 336 240 0.20 10.0 12.5 PCSf-3 336 213 0.20 27.0 13.0 PCSf-4 337 267 0.25 14.0 14.5 PCSf-5 337 267 0.20 3.0 11.8 PCSf-6 337 240 0.20 32.0 13.5 PCSf-7 337 240 0.30 35.0 17.4 PCSf-8 337 240 0.15 0.5 12.4 PCSf-9 338 267 0.20 34.0 13.9 PCSf-10 338 240 0.15 16.0 12.7