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Thick Film Laser Sintering: An Evidence for Two-step Process

机译:厚膜激光烧结:两步法的证据

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The results for the sintering of Bi4Ti3O12 (BIT)-doped BaTi0.85Zr0.15O3 (BTZ) thick films, deposited by electrophoresis,using as heating source a CO2 laser are presented. The thermal process associated to the laser scanning sintering(LSS) acted in a similar way as a two-step-sintering process. This characteristic together with the high heating rate allowedus to obtain thick films with an average grain size of 200 nm, high relative density (~96%) and with a homogeneousmicrostructure. The X ray diffraction profile analysis show evidences for Bi3+ replacing Ba2+ at the A sites.
机译:给出了采用Bi2Ti3O12(BIT)掺杂的BaTi0.85Zr0.15O3(BTZ)厚膜的电泳结果,该结果是通过电泳沉积,以CO2激光器为热源进行烧结的。与激光扫描烧结(LSS)相关的热处理过程与两步烧结过程相似。此特性与高加热速率一起允许获得具有200 nm平均晶粒尺寸,高相对密度(〜96%)和均一微观结构的厚膜。 X射线衍射图谱分析显示了在A位上Bi3 +取代Ba2 +的证据。

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