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中文摘要：
采用模压半炭化成型工艺，在大气环境下制备了短切炭纤维增强的沥青基C／C炭复合材料。借助材料万能试验机和扫描电镜研究了短切炭纤维的表面处理对C／C复合材料体积密度和抗压强度的影响。结果表明：随着短切炭纤维表面处理强度的增大，C／C复合材料的抗压强度明显提高。用联合处理方法改性的短切炭纤维制备的C／C复合材料的抗压强度，比未处理的短切炭纤维增强的C／C复合材料的抗压强度，约提高了138．5％。
英文摘要：
C/C composites were fabricated in air using mold pressing and semi-carbonization shaping technology. The effects of surface treatment methods for short carbon fibers on the density and mechanical properties of the C/C composites were investigated by an electronic universal testing machine and a scanning electron microscope. Results showed that the compressive strength of the as-fabricated C/C composites increased with an enhancement in intensity of surface treatment for short carbon fibers. The compressive strength of the C/C composites with surface-treated carbon fibers was increased by 138.5% compared with that of the C/C composites without surface treatment.
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