灵活的,导热的,和无异型的化纳米管为基础的散热面料
Cole R Davis1, Aalok Gaitonde2, Amina Belkadi Dostart3
1Naval Surface Warfare Center Crane Division, 300 Hwy 361, Crane, Indiana 47522, United States.
ACS applied materials & interfaces
|July 3, 2025
概括
灵活的化纳米管 (BNNT) 织物通过净化和同位素丰富得到了增强. 这为先进材料应用显著提高了导热率和机械性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 热力工程是热力工程中的一个.
背景情况:
- 化纳米管 (BNNTs) 具有独特的热和机械性能.
- 在散装面料形式中增强BNNT属性对于实际应用至关重要.
- 不同类型的导热率和机械性是关键的性能指标.
研究的目的:
- 开发灵活的化纳米管 (BNNT) 织物,具有改进的热和机械性能.
- 研究BNNT净化和同位素丰富对织物性能的影响.
- 为了在BNNT织物中实现高异构热导率和增强机械性.
主要方法:
- 使用了BNNT净化技术.
- 用11B进行同位素丰富.
- 测量了异型热导电性和机械性能.
主要成果:
- 在平面内,导热率增加了近5倍,达到8.26 W m-1 K-1.1.
- 实现了62的高异构比,通过平面导电率低 (0.13 W m-1 K-1).
- 由于BNNT捆绑和对齐,织物的强度增加了一倍,性增加了三倍.
结论:
- 在提高散装面料的热和机械性能方面,BNNT纯度至关重要.
- 开发的BNNT织物表现出优异的异构热导率和机械性.
- 这些灵活的BNNT织物显示出作为复合材料预成型或独立的热管理材料的潜力.
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