纤维与增强英文2023被引 2
聚氨酯基体与钢纤维结合玻璃纤维或玄武岩纤维对混杂复合材料层板性能的影响
Effect of polyurethane matrix and steel fiber in combination with glass fiber or basalt fiber on the properties of hybrid composite laminates
Bayan Jabbar Fayzulla, Mehmet Eroglu, Ahmet Erkliğ · Department of Mechanical and Metallurgy, Erbil Technology College, Erbil Polytechnic University , Erbil , Iraq
摘要整理
聚氨酯是一种具有高韧性和延伸性的多功能聚合物,广泛应用于各种领域。本研究采用双组分热固性聚氨酯作为基体材料,制备了混杂和非混杂复合材料。通过将玻璃纤维或玄武岩纤维与钢纤维结合,制备了混杂层板。对制备的复合材料试样进行了力学性能表征,并对试样断裂区域进行了扫描电子显微镜(SEM)观察。结果表明,与钢纤维增强聚氨酯复合材料相比,BS₁-PU混杂层板(8层玄武岩纤维-1层钢纤维)的拉伸强度和弯曲强度分别提高了357.74%和64.59%。此外,GS₄-PU混杂复合材料(5层玻璃纤维-4层钢纤维)与玻璃纤维增强聚氨酯复合材料相比,拉伸应变提高了12.07%,弯曲应变提高了25.32%,吸收能量提高了18.21%。SEM观察表明,用钢纤维层替代部分玄武岩纤维层和玻璃纤维层会产生积极的混杂效应,改善整体混杂复合材料的性能。
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