CAS OpenIR
Simultaneously enhance thermal conductive property and mechanical properties of silicon rubber composites by introducing ultrafine Al2O3 nanospheres prepared via thermal plasma
Ouyang, Yuge1,2; Li, Xiaofei1,2; Ding, Fei1; Bai, Liuyang1; Yuan, Fangli1,3
2020-04-12
Source PublicationCOMPOSITES SCIENCE AND TECHNOLOGY
ISSN0266-3538
Volume190Pages:10
AbstractIt is great significant to develop polymer composites with high thermal conductivity and excellent mechanical properties simultaneously. Generally, a high loading of fillers is required for thermal conductive composites. However, traditional polymer composites exhibit unsatisfactory enhancement due to poor dispersion and weak interfacial adhesion, for which lead to high interfacial resistance. Meanwhile, the mechanical properties of composites are greatly damaged because of internal defects caused by imperfect filling. Herein, Al2O3 nano spheres prepared by high frequency thermal plasma are first used as filler to increase thermal conductivity of silicon rubber (SR) and reinforce the mechanical properties of SR. The Al2O3 nanospheres show good compatibility and strong interfacial adhesion with matrix. Thus SR composites exhibit excellent thermal conductivity of 1.53 Wm(-1)K(-1), corresponding to an enhancement of 665% compared to SR. Importantly, the SR composites still possess high tensile strength of 5.71 MPa, modulus of 9.69 MPa and fracture toughness of 1.81 MJ/m(3) respectively, improving by 1630%, 3360% and 723% compared with neat SR. In addition, The Al2O3/SR composites also possess good dielectric properties, high volume resistivity and enhanced thermal stability, indicating a promising application of composites in the field of electronic packing. Therefore, this work offers a novel route to design high performance SR composites using Al2O3 nanospheres prepared by thermal plasma.
KeywordPolymer-matrix composites (PMCs) Al2O3 nanospheres Thermal conductivity Mechanical properties
DOI10.1016/j.compscitech.2020.108019
Language英语
WOS KeywordSIZE-CONTROLLED SYNTHESIS ; BORON-NITRIDE NANOSHEETS ; ALUMINA NANOPARTICLES ; ELASTOMER COMPOSITES ; POLYMER COMPOSITE ; SPHERICAL ALUMINA ; ALPHA-ALUMINA ; CARBON-FIBERS ; PERFORMANCE ; SPHERES
Funding ProjectNational Natural Science Foundation of China[11535003] ; National Natural Science Foundation of China[11875284]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Composites
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000522122700005
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39964
Collection中国科学院过程工程研究所
Corresponding AuthorBai, Liuyang; Yuan, Fangli
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, Ctr Mat Sci & Opooelect Engn, Beijing 100049, Peoples R China
Recommended Citation
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Ouyang, Yuge,Li, Xiaofei,Ding, Fei,et al. Simultaneously enhance thermal conductive property and mechanical properties of silicon rubber composites by introducing ultrafine Al2O3 nanospheres prepared via thermal plasma[J]. COMPOSITES SCIENCE AND TECHNOLOGY,2020,190:10.
APA Ouyang, Yuge,Li, Xiaofei,Ding, Fei,Bai, Liuyang,&Yuan, Fangli.(2020).Simultaneously enhance thermal conductive property and mechanical properties of silicon rubber composites by introducing ultrafine Al2O3 nanospheres prepared via thermal plasma.COMPOSITES SCIENCE AND TECHNOLOGY,190,10.
MLA Ouyang, Yuge,et al."Simultaneously enhance thermal conductive property and mechanical properties of silicon rubber composites by introducing ultrafine Al2O3 nanospheres prepared via thermal plasma".COMPOSITES SCIENCE AND TECHNOLOGY 190(2020):10.
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