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VARIATION OF MORPHOLOGIES OF MgAl_2O_4 SPINEL BY THE PROCESSING WITH STARTING POWDERS OF DIFFERENT PHYSICAL NATURE

VARIATION OF MORPHOLOGIES OF MgAl_2O_4 SPINEL BY THE PROCESSING WITH STARTING POWDERS OF DIFFERENT PHYSICAL NATURE
不同物性起始粉加工对MgAl_2O_4尖晶石形貌的影响
批准号:
08455407
负责人:
NURISHI Yukio
金额:
$4.42万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
1996
资助国家:
日本
项目状态:
已结题
起止时间:
1996 至 1998

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中文摘要
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英文摘要
In spinel formation reaction, the Wagner model is well known to form spinel layers grown to alumina side and magnesia side in the volume ratio 3 to 1, where the counter diffusion of divalant and trivalant cations governs the reaction instead of the forbidden transport of oxygen. In this project, the spinels formed in fine alumina bed according to the model of the agglomerates reaction of fine powders, the densification of the former spinel around MgO/spinel interface in fine alumina-fine MgO powder system, and the icicle-like spinel in fine alumina-coarse MgO powder system. These three types of spinel would be formed according to the mechanism being concerned with oxygen transport to be different from the Wagner model.
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通讯作者:
T.Kuwabara, A.Matsumoto, O.Sakurada, M.Hashiba, Y.Nurishi, J.Requena and J.Moya: "Microstructure of an Icicke-like Spinel Grown at the MgO/MgAl_2O_4 Interface in the Dense and Coarse MgO-Fine Al_2O_3 Powder System" Ceram.Trans.71. 269-282 (1996)
T.Kuwabara、A.Matsumoto、O.Sakurada、M.Hashiba、Y.Nurishi、J.Requena 和 J.Moya:“在致密和粗粒 MgO 中 MgO/MgAl_2O_4 界面处生长的 Icicke 状尖晶石的微观结构
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S.Obata et al.: "Slip Casting of Basic Agueous SiC Slurry Containing styrene/Maleic Copolymer." Key.Eng.Mater.159-160. 157-162 (1999)
S.Obata 等人:“含有苯乙烯/马来酸共聚物的碱性水性 SiC 浆料的注浆成型”。
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M.Hashiba: "Microstructure of ZnAl_2O_4 Formation from Coarse and Dense Al_2O_3 and Granular ZnO in the Presence of Lif" Solid State Ionics. 101-103. 1007-1014 (1997)
M.Hashiba:“在 Lif 存在下由粗密 Al_2O_3 和粒状 ZnO 形成 ZnAl_2O_4 的微观结构”固态离子学。
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12
    国内基金
    海外基金
    新型Spinel轨道有序MgTi2O4和电荷有序LiRh2O4体系相变和输运性质的比较研究
    • 批准号:
      10974148
    • 项目类别:
      面上项目
    • 资助金额:
      42.0万元
    • 批准年份:
      2009
    • 负责人:
      石兢
    • 依托单位: