| Al_2O_3－MgAl_2O_4陶瓷的试验研究 |
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| 引用本文： | 刘传博,杨洋. Al_2O_3－MgAl_2O_4陶瓷的试验研究[J]. 高技术通讯, 1994, 0(6) |
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| 作者姓名： | 刘传博 杨洋 |
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| 作者单位： | 东南大学材料科学与工程系 |
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| 摘 要： | 在Ａｌ＿２Ｏ＿３中添加５－１５ｗｔ％ＭｇＡｌ＿２Ｏ＿４，采用热压注法制备Ａｌ＿２Ｏ＿３－ＭｇＡｌ＿２Ｏ４陶瓷。研究表明，Ａｌ＿２Ｏ＿３－ＭｇＡｌ＿２Ｏ＿４陶瓷具有良好的高温电阻率和抗熔渣－种子的腐蚀能力，经过进一步改进可望作为燃煤ＭＨＤ发电通道（半热壁型）阳极区电极间绝缘片材料。
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| 关 键 词： | 氧化铝，镁铝尖晶石，电阻率，抗蚀性，燃煤磁流体发电 |
Development of Al_2O3-MgAl_2O_4 Ceramics |
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| Liu Chuanbo, Yang Yang. Development of Al_2O3-MgAl_2O_4 Ceramics[J]. High Technology Letters, 1994, 0(6) |
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| Authors: | Liu Chuanbo Yang Yang |
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| Abstract: | Al2O3-MgAl2O4 ceramics can be turned out by adding 5-15%MgAl2O4 to Al2O3 and using injectionmolding process. The experimental results show that this material possesses high electric resistivity at hightemperature and good resistance to corrosion of fused coal-slag and seed.It is hopeful that it can be used asinsulation plates between electrodes in anode for coal-fired MHD generating channels in the near future. |
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| Keywords: | Alumina Spinel Electric resistivity Resistance to corrosion Coal-fired MHDgenerating |
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