書誌事項
- タイトル別名
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- Sintering of PbO added (Pd, Ba) (Zn, Mg, Nb, Ti) O3 ceramics and their dielectric properties.
- PbO オ カジョウ ニ クワエタ Pb Ba Zn Mg Nb Ti O3
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説明
The powder of (Pb, Ba) (Zn, Mg, Nb, Ti)O3 system ceramics developed as the multilayer capacitor material with the optimum firing temperature of 1100°C was mixed with small amount of excess PbO as a sintering aid and ground to submicron by ball-milling using the partially stabilized zirconia balls of 3 mmφ. Microstructures such as density, grain size or liquidus phase of the ceramics fabricated from the powders were examined as a function of excess PbO content by SEM and DTA. Densification was enhanced by addition of excess PbO at the firing temperature lower than 1000°C, and the dense ceramic bodies above 7.7 g/cm3 with small grain were obtained at firing temperature of 750°C. Temperature dependence of dielectric constants were measured by a LF inpedance analyzer at 1 kHz. For the 2 mol%PbO added ceramics sintered at 800°C, relative permittivity at room temperature higher than 10000 was successfully attained without remarkable change of loss factor and insulation resistance from those of the stoichiometric ceramics sintered at 1100°C.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 35 (6), 538-542, 1988
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390001206307749888
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- NII論文ID
- 130000813351
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- NII書誌ID
- AN00222724
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 3655441
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可