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EFFECT OF HOT PRESSING TEMPERATURE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF SiC PARTICLE REINFORCED ALUMINUM MATRIX COMPOSITES
Jin Peng; Xiao Bolue; Wang Quanzhao; Ma Zongyi; Liu Yue; Li Shu
Corresponding AuthorMa Zongyi(zyma@imr.ac.cn)
2011-03-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume47Issue:3Pages:298-304
AbstractThe effects of hot pressing temperature on microstructures and tensile properties of 15% (volume fraction) SiCp/2000Al composites were investigated in this paper. The relative density of the composites increased rapidly with increasing the hot pressing temperature up to 580 degrees C and decreased with further increasing the temperatures. TEM observations revealed that the interface bonding was quite weak with the interface crack when the hot pressing temperature was below 560 degrees C. When the composites were hot pressed at 580 and 600 degrees C, the interface was clean and had a good interface bonding. The MgAl2O4 and Al4C3 formed at the interfaces when the hot pressing temperature was above 620 degrees C. Tensile tests indicated that the composite fabricated at 580 degrees C exhibited the optimum strength and ductility. Fractography revealed that for the composite fabricated at the hot pressing temperature below 560 degrees C, the fracture mechanism was mainly the interfacial debonding. For the composite fabricated at 580 and 600 degrees C, the fracture mechanism of the composite was the matrix ductile fracture and the SiC particle fracture, When the hot pressing temperature was above 620 degrees C, the interface fractured along MgAl2O4 and Al4C3, and the fracture mechanism of the composite was the matrix ductile fracture, the interface crack and the particle fracture.
Keywordaluminum matrix composite vacuum hot pressing interface mechanical property
DOI10.3724/SP.J.1037.2010.00413
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000289587300007
PublisherSCIENCE PRESS
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/107145
Collection中国科学院金属研究所
Corresponding AuthorMa Zongyi
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Jin Peng,Xiao Bolue,Wang Quanzhao,et al. EFFECT OF HOT PRESSING TEMPERATURE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF SiC PARTICLE REINFORCED ALUMINUM MATRIX COMPOSITES[J]. ACTA METALLURGICA SINICA,2011,47(3):298-304.
APA Jin Peng,Xiao Bolue,Wang Quanzhao,Ma Zongyi,Liu Yue,&Li Shu.(2011).EFFECT OF HOT PRESSING TEMPERATURE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF SiC PARTICLE REINFORCED ALUMINUM MATRIX COMPOSITES.ACTA METALLURGICA SINICA,47(3),298-304.
MLA Jin Peng,et al."EFFECT OF HOT PRESSING TEMPERATURE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF SiC PARTICLE REINFORCED ALUMINUM MATRIX COMPOSITES".ACTA METALLURGICA SINICA 47.3(2011):298-304.
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