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铝酸钙水泥对氧化镁系包埋料性能的影响
引用本文:余桂林,李楠,李友胜,王贻宁.铝酸钙水泥对氧化镁系包埋料性能的影响[J].中国陶瓷工业,2010,17(1):5-8.
作者姓名:余桂林  李楠  李友胜  王贻宁
作者单位:1. 武汉科技大学医学院,武汉,430065
2. 武汉科技大学耐火材料与高温陶瓷国家重点实验室培育基地,武汉,430081
3. 武汉大学口腔医学院,武汉,430072
基金项目:武汉科技大学博士科研启动基金资助 
摘    要:在氧化镁包埋料中改变结合剂铝酸钙水泥的含量,研究其对包埋料性能的影响,结果发现:随着铝酸钙水泥含量的增加,包埋料的初凝时间缩短,流动性变差,当铝酸钙水泥的含量大于20%时,铝酸钙水泥的加入可明显提高包埋料的耐压强度。

关 键 词:铝酸钙水泥  包埋料  流动性  耐压强度

THE INFLUENCE OF CA CEMENT ON PROPERTIES OF MgO-BASED INVESTMENT MATERIALS
Yu Guilin,Li Nan,Li Yousheng,Wang Yining.THE INFLUENCE OF CA CEMENT ON PROPERTIES OF MgO-BASED INVESTMENT MATERIALS[J].China Ceramic Industry,2010,17(1):5-8.
Authors:Yu Guilin  Li Nan  Li Yousheng  Wang Yining
Affiliation:Yu Guilin Li Nan L i Yousheng Wang Yining (1. College of Medicine, Wuhan University of Science and Technology, Wuhan 430065; 2. The Hubei Province Key Laboratory of Refractories and Ceramics--Ministry-Province Jointly-Constructed Cultivation Base for State Key Laboratory, Wuhan 430081; 3. Department of Prosthodontics, College of Stomatology, Wuhan University, Wuhan 430072)
Abstract:The influence of CA cement on properties of MgO-based investment materials has been studied. The results show as follows: with increment of CA cement content, the fluidity of MgO-based investment materials reduces and the time of solidification reduces. When CA cement content is more than 20%, the compressive strength of the investment increases with the increment of CA cement content.
Keywords:CA cement  investment materials  fluidity  compressive strength
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