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王子媛,赵蒙,杨军,李宗原,汪敏,潘伟.SiO2含量对YSZ陶瓷在高温时效中烧结性的影响[J].稀有金属材料与工程(英文),2020,49(2):688~694.[Wang Ziyuan,Zhao Meng,Yang Jun,Li Zongyuan,Wang Min and Pan Wei.Effect of SiO2 Content on Sintering Characteristics of YSZ in High Temperature Ageing[J].Rare Metal Materials and Engineering,2020,49(2):688~694.]
Effect of SiO2 Content on Sintering Characteristics of YSZ in High Temperature Ageing
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Received:April 26, 2019  Revised:May 08, 2019
DOI:
Key words: SiO2  YSZ  sintering  mechanical property
Foundation item:国家自然科学基金(项目号 51323001)
Author NameAffiliation
Wang Ziyuan,Zhao Meng,Yang Jun,Li Zongyuan,Wang Min and Pan Wei  
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Abstract:
      The effect of SiO2 on the sintering rate of YSZ ceramics as well as on the morphology and properties of YSZ during sintering are studied. In this work, YSZ samples of 10% pores with different SiO2 content were prepared. The sample microstructures are characterized by scanning electron microscopy (SEM). The sample porosity was obtained by the Archimedes method. The phase composition, mechanical and thermal properties of samples after sintering were measured. It is found that the introduction of 0.3wt% SiO2 will make the YSZ grain size larger and the porosity decrease significantly. The hardness, Young's modulus and thermal conductivity of samples change faster due to the introduction of SiO2.