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作 者:王超 阙伟婧 周金岑 石佩洛 凌辉[1] WANG Chao;QUE Weijing;ZHOU Jincen;SHI Peiluo;LING Hui(Aerospace Research Institute of Materials&Processing Technology,Beijing 100076)
出 处:《宇航材料工艺》2025年第1期114-119,共6页Aerospace Materials & Technology
摘 要:针对湿法纺丝的TG800和干喷湿纺的SYT55两种国产T800级碳纤维,采用扫描电子显微镜表征碳纤维微观形貌,并将两种碳纤维与双马树脂802复合,制备热熔预浸料及碳纤维/双马复合材料,测试分析其拉伸、压缩、剪切等力学性能以及微观破坏形貌。研究结果表明,SYT55纤维表面光滑,其碳纤维/双马树脂复合材料拉伸强度更高,且高温力学性能良好;TG800纤维复合材料界面强度更高。For the two types of domestic T800-grade carbon fibers,which T800 made by wet spinning and SYT55 made by dry-jet wet spinning,the microstructure of the carbon fibers was characterized by using a scanning electron microscope.Both types of carbon fibers were combined with bismaleimide resin 802 to prepare hot-melt prepreg and carbon fiber/bismaleimide composites.The tensile,compressive,and shear mechanical properties,as well as the microscopic failure morphology,were tested and analyzed.The results show that the surface of SYT55 fiber is smooth,and its carbon fiber/bismaleimide resin composite has higher tensile strength and good high-temperature mechanical properties.The TG800 fiber composite has higher interfacial strength.
关 键 词:T800级碳纤维 纺丝工艺 双马树脂 树脂基复合材料
分 类 号:TB33[一般工业技术—材料科学与工程]
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