Reaction Synthesis and Pressureless Sintering of Cr^sub 2^AlC Powder
This work was aimed to produce ... powder through two-step reactions and to sinter it under a pressureless condition, and the related synthesis and sintering mechanisms were evaluated. ... powder of ...9 ...m in size was produced using ... and Al powders and sintered to a relative density of ...95.5...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2010-06, Vol.93 (6), p.1530 |
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| container_issue | 6 |
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| container_title | Journal of the American Ceramic Society |
| container_volume | 93 |
| creator | Panigrahi, Bharat Bhooshan Chu, Min-Cheol Kim, Yong-Il Cho, Seong-Jai Gracio, Jose J |
| description | This work was aimed to produce ... powder through two-step reactions and to sinter it under a pressureless condition, and the related synthesis and sintering mechanisms were evaluated. ... powder of ...9 ...m in size was produced using ... and Al powders and sintered to a relative density of ...95.5%. The sintering was characterized by an activation energy of 267±23 kJ/mol and the mixed mode of sintering comprised of the surface diffusion mechanism and the transient liquid-phase sintering caused by melting of Al-Cr intermetallic impurities. The sintered sample exhibited Vickers hardness of 3.4 GPa. (ProQuest: ... denotes formulae/symbols omitted.) |
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The sintering was characterized by an activation energy of 267±23 kJ/mol and the mixed mode of sintering comprised of the surface diffusion mechanism and the transient liquid-phase sintering caused by melting of Al-Cr intermetallic impurities. The sintered sample exhibited Vickers hardness of 3.4 GPa. 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The sintering was characterized by an activation energy of 267±23 kJ/mol and the mixed mode of sintering comprised of the surface diffusion mechanism and the transient liquid-phase sintering caused by melting of Al-Cr intermetallic impurities. The sintered sample exhibited Vickers hardness of 3.4 GPa. (ProQuest: ... denotes formulae/symbols omitted.)</abstract><cop>Columbus</cop><pub>Wiley Subscription Services, Inc</pub></addata></record> |
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| identifier | ISSN: 0002-7820 |
| ispartof | Journal of the American Ceramic Society, 2010-06, Vol.93 (6), p.1530 |
| issn | 0002-7820 1551-2916 |
| language | eng |
| recordid | cdi_proquest_journals_504000767 |
| source | Wiley-Blackwell Journals |
| subjects | Ceramics Chemical reactions Chemical synthesis Density Sintering |
| title | Reaction Synthesis and Pressureless Sintering of Cr^sub 2^AlC Powder |
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