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ZrO2短纤维增强体相变及对瓷质陶瓷性能的影响
Phase Transition and Influence of Short ZrO2 Fiber as Reinforcement on Properties of Porcelain
投稿时间:2017-02-24  修订日期:2017-04-24
DOI:103969/j.issn.1007 9629201706013
中文关键词:  瓷质陶瓷  ZrO2短纤维  增强  断裂功  相变
英文关键词:porcelain  short ZrO2 fiber  reinforcement  work of fracture  phase transition
基金项目:蒙娜丽莎集团股份有限公司博士后科研工作站资助项目
           
作者单位
张电
ZHANG Dian
蒙娜丽莎集团股份有限公司博士后科研工作站,广东佛山528211
Postdoctoral Research Center at Monalisa Group Co., Ltd., Foshan 528211, China
刘一军
LIU Yijun
蒙娜丽莎集团股份有限公司博士后科研工作站,广东佛山528211
Postdoctoral Research Center at Monalisa Group Co., Ltd., Foshan 528211, China
同继锋
TONG Jifeng
中国建筑材料科学研究总院,北京100024
China Building Materials Academy, Beijing 100024, China
薛群虎
XUE Qunhu
西安建筑科技大学材料与矿资学院,陕西西安710055
College of Materials and Mineral Resources, Xian University of Architecture and Technology, Xian 710055, China
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中文摘要:
      为提高薄型瓷质陶瓷砖的力学性能,以ZrO2短纤维为增强体,研究其掺量(质量分数,下同)对陶瓷性能的影响.结果表明:当ZrO2纤维掺量在40%以内时对陶瓷具有增强效果,但陶瓷韧性变差;当ZrO2纤维掺量为20%时,陶瓷的弯曲强度增幅为1084%,达到7760MPa,但断裂功下降2236%,为38321J/m2.ZrO2纤维结构不致密,在烧成中由四方相转变到立方相,并且阻碍了石英的熔融和莫来石的析出,这些因素均不利于增强增韧.
英文摘要:
      To improve the mechanical properties of thin porcelain tile, the influence of adding short ZrO2 fiber as reinforcement on the properties of porcelain was studied. The results show that the toughness will decrease when ZrO2 fiber content(by mass)is below 40%. The bending strength increases by 1084% to 7760MPa while the work of fracture decreases 2236% to 38321J/m2 when ZrO2 fiber content is 20%. The loose microstructure of ZrO2 fiber, its transition from tetragonal phase to cubic phase, its inhabiting effect on melt of SiO2 phase and precipitation of mullite are all disadvantages of reinforcement and toughening.
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