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Similar to BaTiO3, incongruent diss
Similar to BaTiO3, incongruent dissolution would be expected when the KNN particles were cold sintered because of their similar perovskite structure of ABO3, where A-site cations have higher leaching rate than B-site. Meanwhile, deduced from the previous chemical stability study of KNN and relevant binary compounds in aqueous environment, potassium cations in A-site of perovskite are preferentially leached out, and the faster leaching rate of K+ ions might precipitate into K-Nb-O compound and recrystallize on the surface of KNN particles.[25, 26] One can predict that microstructures and properties KNN ceramics would be greatly affected after cold sintering due to the segregation of composition and the uneven leaching rate of A-site cations. In this study, pure KNN ceramics were prepared by cold sintering assisted sintering process, and the effects of CSAS on the composition, microstructure and electrical properties of KNN ceramics were carefully studied.
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与BaTiO3相似，当KNN颗粒被冷烧结时，由于它们的ABO3钙钛矿结构相似，而A位阳离子的浸出率高于B位，则溶出预计会不均匀。同时，根据先前对KNN和相关二元化合物在水环境中的化学稳定性研究得出的结论，钙钛矿A部位的钾阳离子优先被滤出，而K +离子的较快浸出速率可能沉淀为K-Nb-O化合物和[25，26]人们可以预测，由于成分的分离和A位阳离子的不均匀浸出率，冷烧结后KNN陶瓷的微观结构和性能会受到很大影响。在这项研究中，纯KNN陶瓷是通过冷烧结辅助烧结工艺制备的，
正在翻译中..
Similar to BaTiO3, incongruent dissolution would be expected when the KNN particles were cold sintered because of their similar perovskite structure of ABO3, where A-site cations have higher leaching rate than B-site. Meanwhile, deduced from the previous chemical stability study of KNN and relevant binary compounds in aqueous environment, potassium cations in A-site of perovskite are preferentially leached out, and the faster leaching rate of K+ ions might precipitate into K-Nb-O compound and recrystallize on the surface of KNN particles.[25, 26] One can predict that microstructures and properties KNN ceramics would be greatly affected after cold sintering due to the segregation of composition and the uneven leaching rate of A-site cations. In this study, pure KNN ceramics were prepared by cold sintering assisted sintering process, and the effects of CSAS on the composition, microstructure and electrical properties of KNN ceramics were carefully studied.
正在翻译中..
与BaTiO3类似，KNN颗粒在低温烧结时，由于其钙钛矿结构与ABO3相似，在A位阳离子的浸出率高于B位阳离子，因此会出现不均匀的溶解。同时，根据之前对KNN及其相关二元化合物在水环境中的化学稳定性研究，钙钛矿A位的钾离子优先浸出，K+离子的较快浸出速率可能沉淀成K-Nb-O化合物并在KNN颗粒表面重结晶，26]可以预测，由于A位阳离子的偏析和不均匀浸出率，KNN陶瓷经冷烧结后的显微组织和性能将受到很大影响。采用冷烧结辅助烧结工艺制备了纯KNN陶瓷，研究了CSAS对KNN陶瓷成分、显微结构和电性能的影响。
正在翻译中..
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