| GI-II型专用代型材料凝固时间和凝固膨胀率的测试 |
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| 引用本文： | 万乾炳!610041,巢永烈!610041,孟辉!610041. GI-II型专用代型材料凝固时间和凝固膨胀率的测试[J]. 口腔材料器械杂志, 2000, 0(3) |
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| 作者姓名： | 万乾炳!610041 巢永烈!610041 孟辉!610041 |
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| 作者单位： | 华西医科大学口腔医学院 |
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| 基金项目： | 四川省卫生厅科研基金资助 |
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| 摘 要： | 目的 测试了解GI II型粉浆涂塑铝瓷底层冠专用代型材料的凝固时间和凝固膨胀性能。方法 使用维氏针和万分表位移计分别测试代型材料的凝固时间和凝固膨胀率。结果 代型材料具有适当的凝固时间和凝膨胀率 ,其凝固膨胀可以较好地补偿GI II型铝瓷烧结后的体积收缩。
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| 关 键 词： | 代型 陶瓷 石膏 凝固膨胀 |
The determination of setting time and setting expansion of die material compatible with GI II die material for slip casting aluminous ceramic |
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| Wan Qianbing,Chao Yonglie,Meng Hui. College of Stomatology,West China University of Medical Science,Chengdu. The determination of setting time and setting expansion of die material compatible with GI II die material for slip casting aluminous ceramic[J]. Chinese Journal of Dental Materials and Devices, 2000, 0(3) |
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| Authors: | Wan Qianbing Chao Yonglie Meng Hui. College of Stomatology West China University of Medical Science Chengdu |
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| Affiliation: | Wan Qianbing,Chao Yonglie,Meng Hui. College of Stomatology,West China University of Medical Science,Chengdu 610041 |
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| Abstract: | Objective To determine setting time and setting expansion of die material compatible with GI II die material for slip casting aluminous ceramic.Methods Detemine setting time and setting expansion of this die material with Vicat needle and displacement dial gauge respectively. Results The setting time of this die material was 10.125min; the setting expansion in 2 and 24 hours were 0.272% and 0.291% respectively. Conclusion GI II die material has a proper setting time, and setting expansive rate.The setting expansion can compensate the firing contraction of GI II slip casting aluminous ceramic cores. |
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| Keywords: | Die Ceramic Gypsum Setting time |
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