Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire

doi:10.1088/1674-1056/23/10/107307

›› 2014, Vol. 23 ›› Issue (10): 107307-107307.doi: 10.1088/1674-1056/23/10/107307

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire

郑鲲^{a c}, 祝捷^b, 马永梅^a, 唐大伟^b, 王佛松^a

a Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
b Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China;
c University of Chinese Academy of Sciences, Beijing 100190, China

收稿日期:2014-03-12 修回日期:2014-04-14 出版日期:2014-10-15 发布日期:2014-10-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 51373184 and 51206167), the National Plan for Science & Technology Support, China (Grant No. 2014BAC03B05), and the National Basic Research Program of China (Grant Nos. 2014CB931803 and 2012CB933801).

Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire

Zheng Kun (郑鲲)^{a c}, Zhu Jie (祝捷)^b, Ma Yong-Mei (马永梅)^a, Tang Da-Wei (唐大伟)^b, Wang Fo-Song (王佛松)^a

a Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
b Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China;
c University of Chinese Academy of Sciences, Beijing 100190, China

Received:2014-03-12 Revised:2014-04-14 Online:2014-10-15 Published:2014-10-15
Contact: Zhu Jie,Ma Yong-Mei E-mail:mailto:zhujie@iet.cn;maym@iccas.ac.cn
About author:73.63.Rt; 68.55.Jd; 82.35.Np
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 51373184 and 51206167), the National Plan for Science & Technology Support, China (Grant No. 2014BAC03B05), and the National Basic Research Program of China (Grant Nos. 2014CB931803 and 2012CB933801).

摘要/Abstract

摘要： To improve the thermal conductivity of polymeric composites, the numerous interfacial thermal resistance (ITR) inside is usually considered as a bottle neck, but the direct measurement of the ITR is hardly reported. In this paper, a sandwich structure which consists of transducer/high density polyethylene (HDPE)/sapphire is prepared to study the interface characteristics. Then, the ITRs between HDPE and sapphire of two samples with different HDPE thickness values are measured by time-domain thermoreflectance (TDTR) method and the results are ～ 2×10^-7 m²· K· W^-1. Furthermore, a model is used to evaluate the importance of ITR for the thermal conductivity of composites. The model's analysis indicates that reducing the ITR is an effective way of improving the thermal conductivity of composites. These results will provide valuable guidance for the design and manufacture of polymer-based thermally conductive materials.

关键词: polymer composites, interfacial thermal resistance, time domain thermalreflectance

Abstract: To improve the thermal conductivity of polymeric composites, the numerous interfacial thermal resistance (ITR) inside is usually considered as a bottle neck, but the direct measurement of the ITR is hardly reported. In this paper, a sandwich structure which consists of transducer/high density polyethylene (HDPE)/sapphire is prepared to study the interface characteristics. Then, the ITRs between HDPE and sapphire of two samples with different HDPE thickness values are measured by time-domain thermoreflectance (TDTR) method and the results are ～ 2×10^-7 m²· K· W^-1. Furthermore, a model is used to evaluate the importance of ITR for the thermal conductivity of composites. The model's analysis indicates that reducing the ITR is an effective way of improving the thermal conductivity of composites. These results will provide valuable guidance for the design and manufacture of polymer-based thermally conductive materials.

Key words: polymer composites, interfacial thermal resistance, time domain thermalreflectance

中图分类号: (Nanoscale contacts)

73.63.Rt

68.55.jd (Thickness) 82.35.Np (Nanoparticles in polymers)

郑鲲, 祝捷, 马永梅, 唐大伟, 王佛松. Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire[J]. , 2014, 23(10): 107307-107307.

Zheng Kun (郑鲲), Zhu Jie (祝捷), Ma Yong-Mei (马永梅), Tang Da-Wei (唐大伟), Wang Fo-Song (王佛松). Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire[J]. Chin. Phys. B, 2014, 23(10): 107307-107307.

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Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire

Interfacial thermal resistance between high-density polyethylene (HDPE) and sapphire

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