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首页> 外文期刊>Journal of Materials Research >Effect of crystallization on microwave dielectric properties of stoichiometric cordierite glasses containing B_2O_3 and P_2O_5.
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Effect of crystallization on microwave dielectric properties of stoichiometric cordierite glasses containing B_2O_3 and P_2O_5.

机译：结晶对含B_2O_3和P_2O_5的化学计量堇青石玻璃微波介电性能的影响。

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摘要

The effect of crystallization on microwave dielectric properties of cordierite glasses containing B+2O_3 and P_2O_5, additions was investigated. Two glasses containing 5 wt B_2O_3/5 wt P_2O_5 and 7.5 wt B_2O_3/7.5 wt P_2O_5, were studied. Both glasses were sintered to nearly full density at temperatures as low as 860 deg C. The frequency constant and quality factor of α cordierite are, respectively, about five times and two times larger than those of glassy phase and mu cordierite. The temperature coefficients of resonant frequency are estimated to be about -l3, -55, and -l5 ppm/ deg. C for glassy phase, 4 cordierite, and a cordierite, respectively. As a result of the microwave dielectric properties of the individual phase, cordierite glasses containing α cordierite possess the best microwave properties.
机译：研究了结晶对添加B + 2O_3和P_2O_5的堇青石玻璃微波介电性能的影响。研究了两种包含5 wt B_2O_3 / 5 wt P_2O_5和7.5 wt B_2O_3 / 7.5 wt P_2O_5的玻璃。两种玻璃均在低至860摄氏度的温度下烧结至几乎全密度。α堇青石的频率常数和品质因数分别比玻璃相和mu堇青石的频率常数和质量因子大约五倍和两倍。谐振频率的温度系数估计约为-l3，-55和-15 ppm / deg。 C分别表示玻璃相，4堇青石和堇青石。由于各相的微波介电性能，含有α堇青石的堇青石玻璃具有最佳的微波性能。

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