成型工艺对玄武岩纤维增强PPS夹芯结构材料力学性能影响
刘创新，马辉煌，唐云峰，周晓东
华东理工大学，上海 200000
Effect of Forming Technology on Mechanical Properties of Basalt Fiber Reinforced PolyphenyleneSulfide Sandwich Structural Materials
Liu Chuangxin, Ma Huihuang, Tang Yunfeng, Zhou Xiaodong
East China University of Science and Technology,Shanghai 200000,China
摘要：夹芯结构材料具备质量轻、刚性高、功能综合型等优点，广泛应用于航天航空、交通运输、功能材料等领域。为研究成型工艺对夹芯结构材料性能的影响 ，以玄武岩纤维增强聚苯硫醚复合材料 、连续玻璃纤维增强聚丙烯单向预浸带为原材料，探究了模压成型工艺中贴合压力 、热压温度、热压时间以及芯层材料密度等因素对夹芯结构材料性能的影响。结果表明，模压成型工艺中热压温度和热压时间的最优条件为 220 ℃，15 min；芯层材料的密度减小时，其弯曲性能、冲击强度呈先增大后下降的趋势 ，弯曲强度和弯曲弹性模量最大为 271.53 MPa，18 672.72 MPa，冲击强度最大为 119.21 kJ/m2。芯层材料的密度减小时，其弯曲刚度呈上升趋势，最大弯曲刚度可达 15 441.16 N·mm。
Abstract：Sandwich structure material has the advantages of light weight, high rigidity and comprehensive function, which is widely used in aerospace, transportation, functional materials and other fields. In order to study the effect of molding process on the properties of sandwich structural materials, the basalt fiber reinforced polyphenylene sulfide composites and continuous glass fiber reinforced polypropylene unidirectional prepreg strip were used as raw materials. The influences of bonding pressure, hot pressing temperature, hot pressing time and core layer material density on the properties of sandwich structure materials were investigated. The results show that the optimal conditions of hot pressing temperature and hot pressing time in the molding process are 220 ℃ and 15 min。 When the density of the core material decreases, the bending property and impact strength increase first and then decrease. The maximum bending strength and modulus are 271.53 MPa and 18 672.72 MPa, and the maximum impact strength is 119.21 kJ/m2. When the density of core layer material decreases, its bending stiffness increases, and the maximum bending stiffness can reach 15 441.16 N·mm.
关键词：玄武岩纤维；聚苯硫醚；模压成型；夹芯结构；力学性能
Keywords：basalt fiber; polyphenylene sulfide; compression moulding; sandwich structure; mechanical property
本文引用格式：
刘创新，马辉煌，唐云峰，等.成型工艺对玄武岩纤维增强PPS夹芯结构材料力学性能影响[J].工程塑料应用，2023，51(4)：78?83.
Liu Chuangxin，Ma Huihuang，Tang Yunfeng，et al. Effect of forming technology on mechanical properties of basalt fiber reinforced polyphenylene sulfide sandwich structural materials[J]. Engineering Plastics Application，2023，51(4)：78?83.
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