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High-Si reinforced Al matrix composites prepared by powder semi-solid squeeze
Liu, Junwu1; Zhou, Xingxing1; Xin, Hongxing2
2017-12-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
Volume726Issue:Pages:772-778
AbstractIn this paper, high-Si reinforced Al matrix composites (H-Si/Al) with Si mass ratio 50-70% were successfully fabricated from the powder mixture of Si and Al by a novel route called as powder semi-solid squeeze. It is found that no Al-Si lamellar eutectic in the composites. As the Si content increases, fine Si particles in the H-Si/Al are reduced and the coarse Si particles may increase in size, or gather together to form twisted large particles and even form a space network structure. With the Si content ranging from 50% to 70%, The flexural strength varies between 248 and 179 MPa, the mean coefficient of thermal expansion from ambient temperature to 100 degrees C can be regulated between 11.32 and 7.55 x 10(-6) degrees C-1, and the thermal conductivity varies between 140 and 120 W m(-1) degrees C-1, showing that H-Si/Al prepared by powder semi-solid squeeze have excellent mechanical and thermal properties. (C) 2017 Published by Elsevier B.V.
SubtypeArticle
KeywordHigh-si Reinforced Al Matrix Composites Strength Thermal Expansion Thermal Conductivity
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2017.08.049
WOS KeywordTHERMAL-EXPANSION ; MICROSTRUCTURAL CHARACTERIZATION ; MECHANICAL-PROPERTIES ; SI/AL COMPOSITES ; SILICON-ALUMINUM ; ALLOYS ; INFILTRATION ; METALLURGY
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000412606000095
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33800
Collection中科院固体物理研究所
Affiliation1.Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Liu, Junwu,Zhou, Xingxing,Xin, Hongxing. High-Si reinforced Al matrix composites prepared by powder semi-solid squeeze[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,726(无):772-778.
APA Liu, Junwu,Zhou, Xingxing,&Xin, Hongxing.(2017).High-Si reinforced Al matrix composites prepared by powder semi-solid squeeze.JOURNAL OF ALLOYS AND COMPOUNDS,726(无),772-778.
MLA Liu, Junwu,et al."High-Si reinforced Al matrix composites prepared by powder semi-solid squeeze".JOURNAL OF ALLOYS AND COMPOUNDS 726.无(2017):772-778.
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