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Tensile properties and strengthening mechanisms of pure aluminum matrix composite reinforced with submicrometric SiC particles
Cai, QK; He, CL; Zhao, MJ; Bi, J; Liu, CS
Corresponding AuthorHe, CL()
2003-08-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume39Issue:8Pages:865-869
AbstractThe sub-micrometric Sic particulates reinforced pure aluminum metal matrix composite (Al MMC) was fabricated by a powder metallurgy technique. The microstructure of the Al MMC was observed, and the tensile properties were measured. The results show that the 15% SiCp (150 nm)/Al MMC exhibits an ultimate tensile strength of 342.3 MPa and a yield strength of 272.4 MPa, these values are 89.0% and 117.9% higher than those of the corresponding matrix respectively, and the elongation of the Al MMC is 6.3%. The tensile fracture surface shows that the damage mechanisms of the Al MMC involve interfacial failure and brittle damage of SiC agglomeration. The reason that the Al MMC has much higher yield strength is the change of matrix microstructure. Dislocation density and Orowan strengthening mechanisms are used to evaluate their effects on the matrix yield strength, and the predicted result is consistent with experimental result.
Keywordsub-micron SiC particle Aluminum matrix composite microstructure tensile property
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000185127600017
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/118219
Collection中国科学院金属研究所
Corresponding AuthorHe, CL
Affiliation1.Northeastern Univ, Sch Met & Mat, Shenyang 110004, Peoples R China
2.Shenyang Univ, Dept Mat Sci & Engn, Shenyang 110044, Peoples R China
3.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cai, QK,He, CL,Zhao, MJ,et al. Tensile properties and strengthening mechanisms of pure aluminum matrix composite reinforced with submicrometric SiC particles[J]. ACTA METALLURGICA SINICA,2003,39(8):865-869.
APA Cai, QK,He, CL,Zhao, MJ,Bi, J,&Liu, CS.(2003).Tensile properties and strengthening mechanisms of pure aluminum matrix composite reinforced with submicrometric SiC particles.ACTA METALLURGICA SINICA,39(8),865-869.
MLA Cai, QK,et al."Tensile properties and strengthening mechanisms of pure aluminum matrix composite reinforced with submicrometric SiC particles".ACTA METALLURGICA SINICA 39.8(2003):865-869.
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