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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Effect of Zn/Zr ratio on mechanical, dielectric, and thermal properties of MgO-Al2O3-SiO2 glass-ceramics
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Effect of Zn/Zr ratio on mechanical, dielectric, and thermal properties of MgO-Al2O3-SiO2 glass-ceramics

机译：Zn / ZR比对MgO-Al2O3-SiO2玻璃陶瓷机械，电介质和热性能的影响

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摘要

The influence of Zn/Zr ratio on the crystallization, microstructure, and properties of MgO-Al2O3-SiO2 (MAS) glass-ceramics was investigated. The sintering and crystallizing kinetics suggested that Zn/Zr ratio of 5/3 was beneficial to the sintering process and the crystallization. XRD indicated that the increase of Zn/Zr ratio changed the crystal phases and promoted the crystallinity. It was found that the coefficient of thermal expansion (CTE) was strongly dependent on the crystal phases. The mechanical properties were markedly improved by the increase of bulk density, crystallinity, and microstress. MAS glass-ceramics with Zn/Zr ratio of 5/3 sintered at low temperature of 900 degrees C shows good properties: epsilon(r) = 5.7, tan delta = 0.32 x 10(-3), sigma = 279 MPa, phi = 96 GPa, alpha = 3.46 x 10(-6)/degrees C, which is compatible with silicon chips.
机译：研究了Zn / Zr比对MgO-Al 2 O 3-SiO 2（MAS）玻璃陶瓷结晶，微观结构和性质的影响。 烧结和结晶动力学表明，Zn / Zr比例为5/3对烧结过程和结晶有益。 XRD表示Zn / Zr比率的增加改变了晶相并促进了结晶度。 发现热膨胀系数（CTE）强烈依赖于晶相。 通过增加堆积密度，结晶度和微网络来显着改善机械性能。 MAS玻璃陶瓷，Zn / Zr比例为5/3烧结在900摄氏度的低温下烧结显示出良好的性能：Epsilon（R）= 5.7，Tan Delta = 0.32×10（-3），Sigma = 279MPa，PHI = 96 GPA，α= 3.46 x 10（-6）/℃，其与硅芯片兼容。

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