可调节的网络架构在具有极端振动阻尼性能的水凝中
Graham J Day1,2,3, Qicheng Zhang1, Chrystel D L Remillat1
1Bristol Composites Institute, School of Civil, Aerospace and Design Engineering (CADE), University of Bristol, BS8 1TR Bristol, UK.
概括
这项研究引入了一种基于酸盐的新型水凝,用于减振振动. 这些可持续的,可生物降解的材料提供有效的阻尼性能,为传统的基于化石的选择提供了一个环保的替代方案.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 机械工程 机械工程
背景情况:
- 传统的缓冲材料通常依赖于化石资源,造成环境问题.
- 在缓冲技术中,对可持续和可生物降解的替代品的需求越来越大.
- 粘弹性生物基资源为开发新型减压材料提供了潜力.
研究的目的:
- 开发一种可调节的,多孔的基于酸盐的水凝系统,用于振动缓冲应用.
- 为了研究这些新型水凝的阻尼性能和机械行为.
- 评估开发的水凝系统的可持续性和生物降解性.
主要方法:
- 用波洛克萨默407作为牺牲性原体制造各种多孔性的酸盐基凝.
- 水凝多孔性和结构的特征.
- 使用振动传导性测试对缓性能进行评估.
- 动态机械分析以确定动态模量和损失因子.
主要成果:
- 开发的水凝具有显著的阻尼,在100-300赫兹频率范围内损耗因子从16%到28%不等.
- 与静态模量相比,动态模量增加了一个数量级,达到大约3MPa.
- 可调节的多孔结构有助于粘性和多弹性和气动类型的阻尼效应.
结论:
- 基于酸盐的水凝具有量身定制的多孔性,显示出有效的振动抑制能力.
- 这些水凝提供了一种可持续和可生物降解的替代方案,而不是传统的基于化石的缓冲材料.
- 可调节的多孔结构是实现增强阻尼性能的关键.
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