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首页> 外文期刊>Journal of industrial and engineering chemistry >Fracture toughness improvement of epoxy resins with short carbon fibers
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Fracture toughness improvement of epoxy resins with short carbon fibers

机译:短碳纤维环氧树脂的断裂韧性提高

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摘要

This study examined the thermal stability and fracture toughness of diglycidylether of bisphenol-A (DGEBA)/short carbon fiber (SCF) composites using several techniques. The thermal stability of the DGEBA/SCF composites was similar to that of neat epoxy resin. The fracture toughness of the composites was significantly improved relative to the neat resin. The SEM micrographs indicated that a relatively rough surface with shear deformation and tortuous cracks was formed, thereby preventing deformation and crack propagation and inducing higher fracture toughness in the DGEBA/SCF composites.
机译:这项研究使用多种技术研究了双酚A(DGEBA)/短碳纤维(SCF)复合材料的二缩水甘油醚的热稳定性和断裂韧性。 DGEBA / SCF复合材料的热稳定性类似于纯环氧树脂。相对于纯树脂,复合材料的断裂韧性明显提高。 SEM显微照片表明,形成了具有剪切变形和曲折裂纹的相对粗糙的表面,从而防止了DGEBA / SCF复合材料的变形和裂纹扩展并诱导了更高的断裂韧性。

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