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マトリックス部にチタニアとアルミナ微粉末を添加したマグネシア質ポーラス耐火物の特性
http://hdl.handle.net/2297/24634
http://hdl.handle.net/2297/24634ed5971b5-456f-4de1-bc0a-02e78e5b3a9b
名前 / ファイル | ライセンス | アクション |
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TE-PR-KANAOKA-C-1191.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | マトリックス部にチタニアとアルミナ微粉末を添加したマグネシア質ポーラス耐火物の特性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effects of Addition of Titania and Alumina Powder into Permeable Magnesia Ceramics | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
土成, 昭弘
× 土成, 昭弘× 保木井, 利之× 平木, 外二× 金岡, 千嘉男 |
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書誌情報 |
Journal of the Ceramic Society of Japan 巻 98, 号 1143, p. 1191-1199, 発行日 1990-11-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0914-5400 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10040326 | |||||
出版者 | ||||||
出版者 | The Ceramic Society of Japan = 日本セラミックス協会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Properties of permeable magnesia refractory containing titania and alumina powder in the matrix were investigated in order to produce permeable refractory with high thermal shock resistance, corrosion resistance and low penetration of molten steel. By adding titania and alumina powder in the matrix, bright glossy portion and dark glossy portion were observed in the matrix and in the grain boundary of magnesia. Bright glossy portion was CaTiO_3 (Perovskite) from X-ray diffraction and EPMA analyses. Dark glossy portion was suspected to be Al_2TiO_5 (Aluminum Titanate) from EPMA analyses although Al_2TiO_5 was not detected by X-ray diffraction. The collapse of magnesia grains was caused by the generation of CaTiO_3 and Al_2TiO_5 in the magnesia grain boundary. Apparent porosity, mean; pore diameter and permeability became high and large as TiO_2/Al_2O_3 molar ratio decreased, and reached the maximum value at the equivalent molar ratio. However, above the equivalent molar ratio the values became low and small. Permeability was proportional to the product of apparent porosity and the square of average pore diameter. Thermal shock resistance increased twice compared with no addition of TiO_2/Al_2O_3. Although corrosion resistance deteriorated by adding TiO_2/Al_2O_3, it was superior to the conventional porous alumina refractory. Penetration thickness of molten steel was not dependent on TiO_2/Al_2O_3 addition, and was very small compared with conventional one. This permeable magnesia refractory will have a good possibility of being used on actual operation. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110002288971/en/ |