玄武岩纤维层合板抗侵彻性能试验研究

发布时间：2018-03-19 08:41

本文选题：连续玄武岩纤维　切入点：动力学　出处：《兰州大学》2013年硕士论文　论文类型：学位论文

【摘要】：玄武岩纤维是一种新型高性能无机纤维,性能稳定,具有良好的力学性能和环保特性。随着生产工艺的改进与发展,其生产成本不断降低,应用范围得到了逐步拓展,最近几年在民用、国防等领域也得到越来越广泛的应用。项目对国内外研究资料进行了广泛收集和系统整理,分析了玄武岩纤维材料的研究现状及纤维板的抗侵彻机理。在此基础上,项目开展了玄武岩层合板的静力性能和弹道性能试验,.并对玄武岩层合板的侵彻过程进行了数值模拟。通过试验研究和数值模拟,分析了玄武岩纤维板静力学性能与纤维层数之间关系,拟合了玄武岩纤维板的弹道极限、吸能效果及弹体的剩余速度与面密度之间的关系；同时对比分析了玄武岩纤维与玻璃纤维的力学性能及抗侵彻能力,得到了两者在力学性能上具有很多相似之处,在纤维束直径差别不大的条件下具有相近的弹道极限。作为一种性价比较高的无机高性能纤维,玄武岩纤维在野战工事及防护工程的关键部位具有广阔的应用前景。通过本项目的研究初步认识了玄武岩层合板的静力学和抗侵彻能力的特点,为玄武岩层合板的抗弹性能设计提供了可供参考的经验公式,该研究成果必将为进一步研究或开发玄武岩纤维防护产品提供有益的参考和技术储备。
[Abstract]:Basalt fiber is a new type of high performance inorganic fiber with stable properties, good mechanical properties and environmental protection properties. With the improvement and development of production technology, its production cost is continuously reduced, and its application scope has been gradually expanded. In recent years, it has been more and more widely used in civil, national defense and other fields. The project has extensively collected and systematized research materials at home and abroad. The research status of basalt fiber materials and the anti-penetration mechanism of fiberboard are analyzed. In this project, the static and ballistic properties of basalt laminates are tested, and the penetration process of basalt laminates is simulated numerically. The relationship between the static properties of basalt fiberboard and the number of fiber layers is analyzed, and the relationship between the ballistic limit, the energy absorption effect, the residual velocity of the projectile and the surface density of the basalt fiberboard is fitted. At the same time, the mechanical properties and penetration resistance of basalt fiber and glass fiber are compared and analyzed. As a kind of inorganic high performance fiber with high performance-price ratio, it has similar ballistic limit under the condition of little difference in fiber bundle diameter. Basalt fiber has broad application prospect in field work and the key parts of protective engineering. Through the research of this project, the characteristics of static mechanics and anti-penetration ability of basalt laminate are preliminarily understood. The empirical formula for the design of the elastic resistance of basalt laminates is provided, and the research results will provide useful reference and technical reserve for further research and development of basalt fiber protection products.
【学位授予单位】：兰州大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TJ410;TU45

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