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Thermal expansion of a novel hybrid SiC foam-SiC particles-Al composites
Zhao, L. Z.; Zhao, M. J.; Cao, X. M.; Tian, C.; Hu, W. P.; Zhang, J. S.
Corresponding AuthorZhao, L. Z.(zhaolongzhi@163.com)
2007-12-01
Source PublicationCOMPOSITES SCIENCE AND TECHNOLOGY
ISSN0266-3538
Volume67Issue:15-16Pages:3404-3408
AbstractA new type of hybrid SiC foam-SiC particles-Al composites (V-sic = 53, 56.2 and 59.9%) to be used as an electronic packaging substrate material were fabricated by squeeze casting technique, and their thermal expansion behavior was evaluated. The coefficients of thermal expansion (CTEs) of the hybrid composites in the range of 20-100 degrees C were found to be between 6.6 and 7.7 ppm/degrees C. The measured CTEs are much lower than those of SiC particle-reinforced aluminum (SiCP-Al) composites with the same content of SiC because of the characteristic interpenetrating structure of the hybrid composites. A material of such a low CTE is ideal for electronic packaging because of the low thermal mismatch (and therefore, low thermal stresses) between the electronic component and the substrate. To achieve similar CTEs in SiCP-Al composites, the volume fraction of SiC would be much higher than that in the hybrid composites. (C) 2007 Elsevier Ltd. All rights reserved.
Keywordmetal-matrix composites hybrid reinforcement interpenetrating thermal expansion
DOI10.1016/j.compscitech.2007.03.020
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Composites
WOS IDWOS:000250910600041
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/91770
Collection中国科学院金属研究所
Corresponding AuthorZhao, L. Z.
Affiliation1.E China Jiaotong Univ, Sch Mech Elect Engn, Nanchang 330013, Peoples R China
2.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhao, L. Z.,Zhao, M. J.,Cao, X. M.,et al. Thermal expansion of a novel hybrid SiC foam-SiC particles-Al composites[J]. COMPOSITES SCIENCE AND TECHNOLOGY,2007,67(15-16):3404-3408.
APA Zhao, L. Z.,Zhao, M. J.,Cao, X. M.,Tian, C.,Hu, W. P.,&Zhang, J. S..(2007).Thermal expansion of a novel hybrid SiC foam-SiC particles-Al composites.COMPOSITES SCIENCE AND TECHNOLOGY,67(15-16),3404-3408.
MLA Zhao, L. Z.,et al."Thermal expansion of a novel hybrid SiC foam-SiC particles-Al composites".COMPOSITES SCIENCE AND TECHNOLOGY 67.15-16(2007):3404-3408.
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