温度和频率对BR/SBR硫化胶阻尼因数和动刚度的影响 |
Effects of Temperature and Frequency on Damping Coefficient and Dynamic Stiffness of BR/SBR Vulcanizates |
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DOI: |
中文关键词: 硫化胶 温度 频率 阻尼因数 动刚度 |
英文关键词: vulcanizate temperature frequency damping coefficient dynamic stiffness |
基金项目:国家自然科学基金资助项目(10772122);辽宁省高校优秀人才支持计划项目(2008RC41) |
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中文摘要: |
在不同温度和频率下对BR/SBR硫化胶的阻尼因数(即损耗因子,用tanδ表示)和动刚度进行研究。结果表明:在各个温度下, tanδ和动刚度并未对80~130 Hz的频率表现出很强的依赖性;在80~130 Hz的频率下,tan tanδ和动刚度随温度的变化而发生规律性改变,tanδ随温度的升高而降低,动刚度则是先减小后增大。 |
英文摘要: |
The damping coefficient(tanδ) and dynamic stiffness of BR/SBR vulcanizates at different temperature and frequency were studied.The results showed that,neither tanδ nor dynamic stiffness exhibited strong dependence on the frequency from 80 Hz to 130 Hz.At a given frequency,as the temperature raised,tanδ increased,and the dynamic stiffness reduced firstly and then increased. |
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