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Effect of nanometer TiC coated diamond on the strength and thermal conductivity of diamond/Al composites
Liu, XY; Wang, WG; Wang, D; Ni, DR; Chen, LQ; Ma, ZY; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
2016-10-01
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
ISSN0254-0584
Volume182Pages:256-262
Abstract50 vol% TiC-coated diamond particles reinforced 6061Al (TiC@diamond/6061Al) composites were fabricated by using powder metallurgy method. The TiC coating 10 nm in thickness on the diamond particles could improve the wettability and increase the bonding between the diamond and Al matrix. The density of the TiC@diamond/6061Al composites reached 99.6% of the theoretical density, which was much higher than that (96.7%) of the composite using the diamond without the TiC layer (Diamond/6061Al). The bending strength of the TiC@diamond/6061Al was 396 MPa, 35% higher than that of the Diamond/6061Al. However, the thermal conductance of the TiC@diamond/6061Al was only 13.4% higher than that of the Diamond/6061Al. This indicates that the massive gap in phonon velocity between diamond and Al, not the pores in the composites, was the dominant factor in the thermal conductance of the diamond particles reinforced Al composites. (C) 2016 Elsevier B.V. All rights reserved.
description.department[liu, x. y. ; chen, l. q.] northeastern univ, state key lab rolling & automat, shenyang 110819, peoples r china ; [liu, x. y.] shenyang ligong univ, coll sci, shenyang 110159, peoples r china ; [wang, w. g. ; wang, d. ; ni, d. r. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordComposite Materials Interfaces Mechanical Properties Thermal Conductivity Powder Metallurgy
Subject AreaMaterials Science, Multidisciplinary
Funding OrganizationNational Basic Research Program of China [2012CB619600]; National Natural Science Foundation of China [51271051]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76257
Collection中国科学院金属研究所
Corresponding AuthorMa, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Liu, XY,Wang, WG,Wang, D,et al. Effect of nanometer TiC coated diamond on the strength and thermal conductivity of diamond/Al composites[J]. MATERIALS CHEMISTRY AND PHYSICS,2016,182:256-262.
APA Liu, XY.,Wang, WG.,Wang, D.,Ni, DR.,Chen, LQ.,...&Ma, ZY .(2016).Effect of nanometer TiC coated diamond on the strength and thermal conductivity of diamond/Al composites.MATERIALS CHEMISTRY AND PHYSICS,182,256-262.
MLA Liu, XY,et al."Effect of nanometer TiC coated diamond on the strength and thermal conductivity of diamond/Al composites".MATERIALS CHEMISTRY AND PHYSICS 182(2016):256-262.
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