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首页> 外文期刊>Journal of the European Ceramic Society >Low temperature sintering and characterization of La2O3-B2O3-CaO glass-ceramic/LaBO3 composites for LTCC application
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Low temperature sintering and characterization of La2O3-B2O3-CaO glass-ceramic/LaBO3 composites for LTCC application

机译：LA2O3-B2O3-CAO玻璃陶瓷/ Labo3复合材料的低温烧结和表征LTCC应用

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摘要

An interesting attempt to develop low temperature sintering glass-ceramic/ceramic composite based on La2O3-B2O3-CaO (LBC) glass-ceramic and LaBO3 ceramic, which was reported to be the main crystalline phase precipitated from La2O3-B2O3 -based glass-ceramics, has been taken. The sintering behavior, phase evolution, microstructures and dielectric properties of LBC/LaBO3 composites have been studied. The densification of LBC/LaBO3 composite is achieved by partially reactive sintering. The LaBO3 filler is directly involved in the sintering process of glass/ceramic composite as additional liquid phase provider at high sintering temperature, and it will suppress the formation of other crystalline phases so that the produced LBC/LaBO3 composites exhibit unusual simple phase structures, which is beneficial to regulate the performance of composites. LBC/LaBO3 composite with 50 wt% LaBO3 sintered at 950 QC for 2 h has a dielectric constant epsilon(r) = 10.12, a dielectric loss tan delta = 1.82 x 10(-3), a Q x f = 9312 GHz (at 16.95 GHz), and shows good chemical compatibility while co-firing with Ag electrode. This indicates that LBC glass/LaBO3 ceramic composites have a potential to meet the requirements of microwave LTCC applications.
机译：一种有趣的尝试基于La2O3-B2O3-CAO（LBC）玻璃 - 陶瓷和Labo3陶瓷的低温烧结玻璃 - 陶瓷/陶瓷复合材料，据报道，从La2O3-B2O3的玻璃陶瓷中沉淀出的主要结晶相， 被拿了。研究了LBC / Labo3复合材料的烧结行为，相逸，微观结构和介电性能。通过部分反应烧结实现了LBC / Labo3复合材料的致密化。 Labo3填料直接涉及玻璃/陶瓷复合材料的烧结过程，作为额外的液相提供者，在高烧结温度下，它将抑制其他结晶相的形成，使得产生的LBC / Labo3复合材料表现出异常的简单相位结构有益于调节复合材料的性能。 LBC / Labo3复合材料用50wt％Labo3烧结在950 QC的2小时，具有介电常数ε（R）= 10.12，介电损耗Tan Delta = 1.82 x 10（-3），a q xf = 9312ghz（16.95 GHz），并在用Ag电极共烧时显示出良好的化学相容性。这表明LBC玻璃/ Labo3陶瓷复合材料有可能满足微波LTCC应用的要求。

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