基于分散介导声学不匹配模型的钻石/复合材料接口设计和热性能预测的理论策略
Zhiliang Hua1, Kang Wang2, Wenfang Li2
1School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.
Materials (Basel, Switzerland)
|June 28, 2023
概括
接口层显著提高了钻石/复合材料的导热率 (TC). 该研究模拟了接口相位特性如何在室温下影响TC,提供了一种新的评估方法.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 纳米技术纳米技术
背景情况:
- 提高钻石/ (Al) 复合材料的热导率 (TC) 对热管理应用至关重要.
- 钻石/Al接口上的修饰层增强了接口热导电性 (ITC).
- 有限的研究存在于接口结构在室温下对TC的影响.
研究的目的:
- 通过考虑接口结构来预测钻石/Al复合材料的TC性能.
- 为了研究反应产品在接口对TC的影响.
- 为评估金属矩阵复合材料中TC的界面结构影响提供一种方法.
主要方法:
- 使用分散介导的声学不匹配模型在室温下对ITC进行评估.
- 分析界面相位特性 (厚度,德拜温度,TC) 和复合TC之间的关系.
- 考虑钻石/Al接口上的实际微观结构和反应产物.
主要成果:
- 钻石/Al复合材料的TC主要受到界面相的厚度,德拜温度和TC的影响.
- 模型预测与现有的记录结果保持一致.
- 这项研究强调了界面相位特征的主导作用.
结论:
- 散射介导的声学不匹配模型有效地预测了受界面结构影响的TC性能.
- 接口相位属性是钻石/Al复合材料整体TC的关键决定因素.
- 这项工作提供了一种有价值的方法,用于在室温下对复合TC的界面影响的评估.
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