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Highly thermal-conductive graphite flake/Cu composites prepared by sintering intermittently electroplated core-shell powders
Sun, Hong1,2; Deng, Nan1,3; Li, Jianqiang1,2; He, Gang4; Li, Jiangtao4
2021-01-20
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume61Pages:93-99
AbstractGraphite flake/Cu composite has attracted tremendous attention as a promising heat sinks materials owing to its easy machinability and superior thermal properties. However, its preparation process still faces several technological limitations including complex, time-consuming and costly synthetic approaches. In this work, a facile and scalable intermittently electroplated method is applied to prepare Cu-coated graphite flake composite powders, which are subsequently sintered into dense composite bulks. The results show that the graphite flake is successfully coated with a uniform and compact Cu shell, which effectively inhibits the segregation accumulation of graphite flakes and contributes to homogeneous distribution of graphite in the sintered graphite flake/Cu composites. The as-sintered composites exhibit an excellent thermal conductivity of 710 W.m(-1) K-1 and an outstanding bending strength of 93 MPa. Such performance, together with the simple, efficient powder-preparation process, suggests that the present strategy may open up opportunities for the development of thermal management materials. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordGraphite flake Electroplating Powder processing Thermal properties
DOI10.1016/j.jmst.2020.05.044
Language英语
WOS KeywordMECHANICAL-PROPERTIES ; MATRIX COMPOSITES ; COPPER MATRIX ; PREFERRED ORIENTATION ; NANO-LAYER ; MICROSTRUCTURE ; MANAGEMENT ; FABRICATION ; EXPANSION ; ELEMENT
Funding ProjectNational Key Research and Development Program of China[2016YFC0700905] ; National Natural Science Foundation of China[51674232] ; National Natural Science Foundation of China[51972304] ; National Natural Science Foundation of China[51702331]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China
WOS IDWOS:000600062800009
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/42848
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Jianqiang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
4.Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Sun, Hong,Deng, Nan,Li, Jianqiang,et al. Highly thermal-conductive graphite flake/Cu composites prepared by sintering intermittently electroplated core-shell powders[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,61:93-99.
APA Sun, Hong,Deng, Nan,Li, Jianqiang,He, Gang,&Li, Jiangtao.(2021).Highly thermal-conductive graphite flake/Cu composites prepared by sintering intermittently electroplated core-shell powders.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,61,93-99.
MLA Sun, Hong,et al."Highly thermal-conductive graphite flake/Cu composites prepared by sintering intermittently electroplated core-shell powders".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 61(2021):93-99.
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