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Pressureless sintering of nickel-alumina composite ceramics
Zang, LK; Chen, YF; Wu, ZJ; Gong, JH; Xie, YS; Gong, J; Pan, W
2002
Source PublicationHIGH-PERFORMANCE CERAMICS 2001, PROCEEDINGS
ISSN1013-9826
Volume224-2Issue:0Pages:321-324
AbstractNi/Al2O3 composite ceramics with a relative density of 97% were obtained after pressureless sintering the green bodies at 1480degreesC for 3h with the protection of graphite bed and TiO2 as sintering aid. In the processing of composites, Ni particles was first surface-coated with a layer of alumina to form composite particles, then gelcasting process was used to prepare the green body. The phase evolution during the sintering was identified by XRD. The densification process and physical properties of the composites were characterized using density, Vickers hardness, fracture toughness measurement and SEM observation.; Ni/Al2O3 composite ceramics with a relative density of 97% were obtained after pressureless sintering the green bodies at 1480degreesC for 3h with the protection of graphite bed and TiO2 as sintering aid. In the processing of composites, Ni particles was first surface-coated with a layer of alumina to form composite particles, then gelcasting process was used to prepare the green body. The phase evolution during the sintering was identified by XRD. The densification process and physical properties of the composites were characterized using density, Vickers hardness, fracture toughness measurement and SEM observation.
KeywordNi/al2o3 Composite Surface Coating Gelcasting Pressureless Sintering
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI ; ISTP
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics ; Materials Science, Composites
WOS IDWOS:000176367400070
PublisherTrans Tech Publications Ltd
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11596
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
2.Beijing Univ Sci & Technol, Dept Chem, Beijing 100083, Peoples R China
3.Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Zang, LK,Chen, YF,Wu, ZJ,et al. Pressureless sintering of nickel-alumina composite ceramics[J]. HIGH-PERFORMANCE CERAMICS 2001, PROCEEDINGS,2002,224-2(0):321-324.
APA Zang, LK.,Chen, YF.,Wu, ZJ.,Gong, JH.,Xie, YS.,...&Pan, W.(2002).Pressureless sintering of nickel-alumina composite ceramics.HIGH-PERFORMANCE CERAMICS 2001, PROCEEDINGS,224-2(0),321-324.
MLA Zang, LK,et al."Pressureless sintering of nickel-alumina composite ceramics".HIGH-PERFORMANCE CERAMICS 2001, PROCEEDINGS 224-2.0(2002):321-324.
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