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Effect of Hot Extrusion on Interfacial Microstructure and Tensile Properties of SiCp/2009Al Composites Fabricated at Different Hot Pressing Temperatures
Jin, Peng; Xiao, Bolu; Wang, Quanzhao; Ma, Zongyi; Liu, Yue; Li, Shu
Corresponding AuthorMa, Zongyi(zyma@imr.ac.cn)
2011-06-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume27Issue:6Pages:518-524
AbstractThe effects of hot extrusion on the interfacial microstructures and tensile properties of 15 vol.% SiCp/2009Al composites fabricated at different hot pressing temperatures were investigated. After hot extrusion, the relative density of the composites increased, the SiC particle distribution became more uniform, and the SiC particles tended to align along the extrusion direction. Furthermore, the interface bonding was improved after hot extrusion; however, the extrusion exerted no obvious effect on the interfacial reaction products formed during sintering process. Tensile tests indicated that the mechanical properties of the composites were improved significantly after extrusion. Fractography revealed that the fracture mechanism of the extruded composites fabricated at the hot pressing temperatures below 540 degrees C was mainly the interfacial debonding. For the extruded composites fabricated at 560-600 degrees C, the fracture was the matrix ductile fracture and the SiC particle fracture. When the composites were hot pressed at or above 620 degrees C, after extrusion, the fracture mechanism of the composites was the matrix ductile fracture, the interface cracking and the SiC particle fracture.
KeywordAluminum matrix composite Hot extrusion Microstructure Mechanical properties
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000292781400007
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/104510
Collection中国科学院金属研究所
Corresponding AuthorMa, Zongyi
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Jin, Peng,Xiao, Bolu,Wang, Quanzhao,et al. Effect of Hot Extrusion on Interfacial Microstructure and Tensile Properties of SiCp/2009Al Composites Fabricated at Different Hot Pressing Temperatures[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2011,27(6):518-524.
APA Jin, Peng,Xiao, Bolu,Wang, Quanzhao,Ma, Zongyi,Liu, Yue,&Li, Shu.(2011).Effect of Hot Extrusion on Interfacial Microstructure and Tensile Properties of SiCp/2009Al Composites Fabricated at Different Hot Pressing Temperatures.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,27(6),518-524.
MLA Jin, Peng,et al."Effect of Hot Extrusion on Interfacial Microstructure and Tensile Properties of SiCp/2009Al Composites Fabricated at Different Hot Pressing Temperatures".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 27.6(2011):518-524.
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