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制作了聚丙烯纤维、碳纤维、聚酰胺和聚乙烯纤维增强水泥复合材料.用扫描电镜(SEM)观察了它们的断裂面,讨论了纤维与水泥基体间界面的粘结情况
Polypropylene fibers, carbon fibers, polyamide and polyethylene fiber reinforced cement composites were fabricated.The fracture surfaces of the composites were observed by scanning electron microscopy (SEM), and the bond between fibers and cement matrix was discussed