关于材料硬度对V形非气动轮胎性能影响的研究
Sichen Gao1, Yuan Yu1, Mingjiao Sun2
1Beijing University of Chemical Technology, 100029 Beijing, China.
Heliyon
|December 6, 2024
概括
材料硬度显著影响非气动轮胎 (NPT) 的性能. 硬度的增加增强了三轴力和刚性,螺杆材料是V形NPT中刚性和接触面积的关键.
科学领域:
- * 材料科学 材料科学
- * 机械工程 机械工程
- * 汽车工程 汽车工程
背景情况:
- *非气动轮胎 (NPT) 越来越多地使用聚氨元件设计.
- *不同NPT组件的材料硬度变化可能会影响性能.
- *了解材料硬度的影响对于优化NPT设计至关重要.
研究的目的:
- * 为了研究材料硬度对V形非气动轮胎 (VS-NPT) 性能的影响.
- * 开发和验证具有不同TPU材料硬度的VS-NPT的有限元模型.
- * 提出一个设计概念,利用不同的材料硬度来提高VS-NPT性能.
主要方法:
- *使用不同的热塑性聚氨 (TPU) 材料开发用于VS-NPT的有限元模型.
- *通过对各种硬度的制造VS-NPT进行性能测试,对有限元模型进行实验验证.
- * 应用Taguchi方法来分析材料硬度对VS-NPT性能的影响.
主要成果:
- * 在整体设计的VS-NPT中,材料硬度的增加与三轴力和刚度的增加有关.
- * 不管其他结构参数,螺杆材料的硬度显著影响三轴硬度和接触面积.
- * 脚面材料的硬度成为影响接触面积的主要因素,当尖端厚度超过7.3毫米时.
结论:
- * 材料硬度是VS-NPT的关键设计参数,直接影响承载能力和刚度.
- * 优化VS-NPT性能可以通过战略性地为不同组件选择具有不同硬度的材料来实现,特别是光圈和面.
- *有限元建模与实验验证相结合,为研究和优化NPT设计提供了强大的方法.
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