WFRF:(Wang Zhe)
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Microstructure homogeneity control in spark plasma sintering of Al2O3 ceramics
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- Wang, Cao (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry, Stockholm University
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- Wang, Xin (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),School of Science, Hangzhou Dianzi University, China
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- Zhao, Zhe (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Department of Materials and Environmental Chemistry
- (creator_code:org_t)
- Elsevier BV, 2010
- 2010
- English.
- In: Journal of the European Ceramic Society. - : Elsevier BV. - 0955-2219 .- 1873-619X. ; 31:1-2, s. 231-235
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Homogeneous microstructure control in the SPS (spark plasma sintering) sintered big size Al2O3 ceramic was realized by the synergy effect of grain boundary tailoring and proper pressure profile design. Two-step pressure profile itself did not show any efficient densification enhancement if no grain boundary modifier MgO added. The two-step pressure profile can effectively reduce average grain size and grain size difference over the sintered specimen, while MgO doping can reduce the average grain size in the whole sintered samples. Finally, a general strategy to overcome the intrinsic temperature gradient in SPS is suggested.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
Keyword
- Sintering; Al2O3; Homogeneous microstructure; Grain size
- Inorganic chemistry
- Oorganisk kemi
Publication and Content Type
- ref (subject category)
- art (subject category)
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