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Design of network Al2O3 spheres for significantly enhanced thermal conductivity of polymer composites

文献类型：期刊论文

作者Ouyang, Yuge1,2; Ding, Fei1; Bai, Liuyang1; Li, Xiaofei1,2; Hou, Guolin1; Fan, Junmei1; Yuan, Fangli1,3
刊名COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
出版日期2020
卷号128页码:8
ISSN号1359-835X
关键词Polymer-matrix composites (PMCs) Hybrid Thermal properties Heat treatment
DOI10.1016/j.compositesa.2019.105673
英文摘要It is of great significance to realize high thermal conductivity of polymer composites, which are used in electronic devices. However, traditional polymer composites exhibit limited thermal conductivity due to high interfacial thermal resistance. Herein, network Al2O3 (N-Al2O3) with multidimensional continuous structures is fabricated by a feasible strategy and first used as fillers for phenolic resin (PR), achieving significantly enhanced thermal conductivity of 4.01 Wm(-1) K-1, enhanced by 1800% compared with neat matrix. The unique N-Al2O3 is responsible for the excellent thermal conductivity, which contributes to the continuous thermal transfer pathways with decreased interfacial thermal resistance. Additionally, owing to the interpenetrating structure of N-Al2O3 and PR, composites display improved mechanical properties and thermal stability. Dielectric loss tangent of composites decreases with increasing N-Al2O3, which is unusual and desired for thermal interface materials used in electronic devices. Therefore, our strategy offers new guidelines in fabricating high-quality composites for commercial applications.
WOS关键词EPOXY NANOCOMPOSITES ; FLAME RETARDANCY ; ALUMINA ; INTERFACE ; RESISTANCE
资助项目National Natural Science Foundation of China[11535003] ; National Natural Science Foundation of China[11875284] ; National Natural Science Foundation of China[51574211]
WOS研究方向Engineering ; Materials Science
语种英语
出版者ELSEVIER SCI LTD
WOS记录号WOS:000501658900008
资助机构National Natural Science Foundation of China
源URL[http://ir.ipe.ac.cn/handle/122111/38432]  
专题中国科学院过程工程研究所
通讯作者Bai, Liuyang; Yuan, Fangli
作者单位1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Ouyang, Yuge,Ding, Fei,Bai, Liuyang,et al. Design of network Al2O3 spheres for significantly enhanced thermal conductivity of polymer composites[J]. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,2020,128:8.
APA Ouyang, Yuge.,Ding, Fei.,Bai, Liuyang.,Li, Xiaofei.,Hou, Guolin.,...&Yuan, Fangli.(2020).Design of network Al2O3 spheres for significantly enhanced thermal conductivity of polymer composites.COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,128,8.
MLA Ouyang, Yuge,et al."Design of network Al2O3 spheres for significantly enhanced thermal conductivity of polymer composites".COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING 128(2020):8.

入库方式： OAI收割

来源：过程工程研究所

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