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ceramic sintering    
相关语句
  陶瓷烧结
    MICROWAVE SINTERING---NEW TECHNOLOGY FOR CERAMIC SINTERING
    陶瓷烧结新技术——微波烧结
短句来源
    Design of the Control Program for Advanced Silicon Nitride Ceramic Sintering Plant
    氮化硅陶瓷烧结设备的智能化控制程序设计
短句来源
    By applying crystal boundary engineering theory and selecting Y2O3 and La2O3 dual-rare-earth Oxides, which could form a high fire - resistant crystal boundary, as a ceramic sintering aids, the so processed material prossesses an excellent high - temperature strength.
    运用晶界工程理论,选择能形成高耐火度晶界相的Y_2O_3(氧化钇)和La_2O_3(氧化镧)双稀土氧化物为Si_3N_4陶瓷烧结助剂,材料具有优异的高温强度.
短句来源
    Modeling and Simulation of Microstructure Evolution in Ceramic Sintering
    陶瓷烧结过程显微组织演化的模型化与模拟
短句来源
    The ceramic sintering theory of ceramic has been employedto fabricate PLZT ceramics with different compositions but the same grainsize. The grain sizes of PLZT samples with 11 different compositions havebeen controlled within 0.7~0.8μm.
    在本研究中,利用陶瓷烧结理论中的晶粒生长公式,计算得到不同的烧结制度,从而使所研究的11个成分点的PLZT陶瓷的晶粒大小控制在0.7~0.8μm范围内。
短句来源
更多       
  陶瓷烧结
    MICROWAVE SINTERING---NEW TECHNOLOGY FOR CERAMIC SINTERING
    陶瓷烧结新技术——微波烧结
短句来源
    Design of the Control Program for Advanced Silicon Nitride Ceramic Sintering Plant
    氮化硅陶瓷烧结设备的智能化控制程序设计
短句来源
    By applying crystal boundary engineering theory and selecting Y2O3 and La2O3 dual-rare-earth Oxides, which could form a high fire - resistant crystal boundary, as a ceramic sintering aids, the so processed material prossesses an excellent high - temperature strength.
    运用晶界工程理论,选择能形成高耐火度晶界相的Y_2O_3(氧化钇)和La_2O_3(氧化镧)双稀土氧化物为Si_3N_4陶瓷烧结助剂,材料具有优异的高温强度.
短句来源
    Modeling and Simulation of Microstructure Evolution in Ceramic Sintering
    陶瓷烧结过程显微组织演化的模型化与模拟
短句来源
    The ceramic sintering theory of ceramic has been employedto fabricate PLZT ceramics with different compositions but the same grainsize. The grain sizes of PLZT samples with 11 different compositions havebeen controlled within 0.7~0.8μm.
    在本研究中,利用陶瓷烧结理论中的晶粒生长公式,计算得到不同的烧结制度,从而使所研究的11个成分点的PLZT陶瓷的晶粒大小控制在0.7~0.8μm范围内。
短句来源
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  ceramic sintering
The effective energy of activation of ceramic sintering is closely controlled by the quality parameters of raw materials and process parameters.
      
In a ceramic based on ZrO2 and stabilized by 5% Y2O3 by the method of ceramic sintering the corresponding parameters are 3%, 5.62 g/cm3, and 271 MPa.
      
The influence of the powder size distribution on the grain growth during ceramic sintering is discussed.
      
Lead-free K0.5Na0.5NbO3-K5.4Cu1.3Ta10O29-MnO2 (KNN-KCT-Mn) ceramics have been prepared by a conventional ceramic sintering technique.
      
The thermodynamics of phase formation and the ceramic sintering mechanism were investigated.
      
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The key problem in ceramic sintering is the atom diffusion or mobility. Proper dopant helps promote defect forming during sintering. It is reported that for KTaO3 ceramics, in which MgO is used as a sintering aid, excellent grain growth and mi-crostructure can be obtained by conventional sintering method. Tests on the dielectric properties within the temperature range 4.2 to 540K show that they are different from those of pure KTaO3 ceramics.

陶瓷烧结的关键问题,是原子的扩散和迁移,适当的掺杂物在陶瓷烧结过程中能促进缺陷的形成.本文报导以MgO为矿化剂掺杂KTaO_3陶瓷的研究结果.用常规的烧结方法获得了良好的晶粒生长及微结构.在4.2—540K的温度范围内测量了介电系数及介电损耗,发现了一些不同于纯KTaO_3陶瓷的结果.

A four raw materials equal particle number model has been proposed based on mathematical principles to analyse geometric reason in three dimensions when we assume that particles in the batch were equal spheroidite,had been well mixed and piled very densely in ceramic sintering.From the model,as the kind of raw material is four or more,the result is different from three or less.And the more the kind,the easier the sintering.This“geometric”reason perhaps will be used in refractory,glass melting and...

A four raw materials equal particle number model has been proposed based on mathematical principles to analyse geometric reason in three dimensions when we assume that particles in the batch were equal spheroidite,had been well mixed and piled very densely in ceramic sintering.From the model,as the kind of raw material is four or more,the result is different from three or less.And the more the kind,the easier the sintering.This“geometric”reason perhaps will be used in refractory,glass melting and metallurgy.

本文假设在陶瓷烧结过程中,坯料中各原料颗粒为等径球粒,经过充分混匀,在坯体中最紧密地排置,并排除物理化学因素。在这种情形下,各原料颗粒之间的配置关系可由等大球体最紧密堆积方式来分析。从数学角度,以图论和群论为依据,推导出空间上等大球体最紧密堆积的“四色原理”,即采用四种或四种以上原料配料,陶瓷坯体中各原料的分布状态与采用三种或三种以上时有本质的不同。前者将使坯体中各部分在烧结过程中更加均匀、稳定,并加速烧结。

By using an improved ceramic sintering technique, the sintering process for the preparation of large-size thin LiNbO3 ceramic targets for r. f. magneto-sputtering is studied. The problem of the deviation of chemical composition due to the loss of Li2O during sintering and of how to obtain LiNbO3 ceramic of high density has been sooved. The role of Li2O during sintering is discussed. A series of LiNbO3+Li2O ceramic targets of high density for sputtering have been prepared....

By using an improved ceramic sintering technique, the sintering process for the preparation of large-size thin LiNbO3 ceramic targets for r. f. magneto-sputtering is studied. The problem of the deviation of chemical composition due to the loss of Li2O during sintering and of how to obtain LiNbO3 ceramic of high density has been sooved. The role of Li2O during sintering is discussed. A series of LiNbO3+Li2O ceramic targets of high density for sputtering have been prepared.

采用改进的陶瓷烧结工艺,研究了用于射频磁控溅射工艺的大尺寸薄型LiNbO3陶瓷靶材的烧结工艺,解决了烧结过程中Li2O的外逸造成成分偏差和Li2O含量偏低时不易得到致密陶瓷的问题,探讨了Li2O在烧结过程中的作用,制备出了高强度的LiNbO3+Li2O系列陶瓷靶材.

 
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