玄武岩纤维增强复合材料的制备及其特性研究
Preparation and mechanical properties of basalt fiber reinforced composites
选用玄武岩纤维为增强体,环氧树脂和聚酰胺树脂混合为基体,开发设计新型试验装置,制备了3种不同截面结构的轻质空芯玄武岩纤维增强复合材料,分别测量不同截面结构玄武岩纤维增强复合材料的抗压缩性能、拉伸性能、抗冲击性能和保温性能。结果表明,截面为三角形的A试样拉伸性能较好,最大拉伸力近300 N;截面为椭圆形的C试样的压缩性能较好,压缩强度为1.068 MPa;相同冲击功条件下,C试样抗冲击性能较好,抗冲击力最大可达1 274 N;截面为圆形的B试样拉伸性能和抗冲击性较差,抗压缩性能介于两者之间。试样具有良好的保温隔热性能,A试样保温性能最好。
Basalt fiber was selected as the reinforcing material, and a mixture of epoxy resin and polyamide resin was used as the matrix. A novel testing apparatus was designed and developed to prepare three types of lightweight hollow-core basalt fiber-reinforced composite materials with different cross-sectional structures. The compressive strength, tensile strength, impact resistance, and thermal insulation properties of the basalt fiber-reinforced composite materials with different cross-sectional structures were measured. The results showed that the C sample with a triangular cross-section had better tensile properties, with a maximum tensile force of nearly 300 N. While the elliptical cross-section C specimen exhibited superior compressive performance, with a compressive strength of 1.068 MPa. Under identical impact energy conditions, the C specimen demonstrated superior impact resistance, with a maximum impact force of 1 274 N. B specimen with circular cross-section exhibited poorer tensile property and impact resistance properties, with intermediate compression between C and A. The specimens exhibited excellent thermal insulation properties, with the A specimen demonstrating the best thermal insulation performance.
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内蒙古自治区直属高校基本科研业务费项目(RZ2300001798)
内蒙古工业大学2021年科研启动金项目(DC2200000939)
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