Physical and structural characteristics of sol–gel derived CaO–B2O3–SiO2 glass-ceramics and their dielectric properties in the 5G millimeter-wave bands

Author(s):  
Sea-Fue Wang ◽  
Bo-Cheng Lai ◽  
Yung-Fu Hsu ◽  
Chun-An Lu
2009 ◽  
Vol 11 (8) ◽  
pp. 1325-1332 ◽  
Author(s):  
Reenamoni Saikia Chaliha ◽  
K. Annapurna ◽  
Anal Tarafder ◽  
V.S. Tiwari ◽  
P.K. Gupta ◽  
...  

2010 ◽  
Vol 92 ◽  
pp. 131-137 ◽  
Author(s):  
Qiu Hua Yuan ◽  
Pei Xin Zhang ◽  
Li Gao ◽  
Hai Lin Peng ◽  
Xiang Zhong Ren ◽  
...  

The crystallization behavior of MgO-Al2O3-SiO2 glass-ceramics by sol-gel technology was investigated by using x-ray diffraction (XRD), differential thermal analysis (DTA), Scanning electron microscopy (SEM). The results showed that: (1)α-cordierite phase was precipitated when the green body was calcined at 1050°C, and α-cordierite of high purity and stability could be formed at 1100°C; (2) Adding an appropriate amount of low melting point glass powder into the green body may provide liquid-phase environment during the sintering process, which will help enhance the tightness density of glass-ceramic, and thus improve its flexural strength.


2006 ◽  
Vol 352 (9-20) ◽  
pp. 1501-1505 ◽  
Author(s):  
M.P.F. Graça ◽  
M.G. Ferreira da Silva ◽  
A.S.B. Sombra ◽  
M.A. Valente

2015 ◽  
Vol 26 (11) ◽  
pp. 8899-8903 ◽  
Author(s):  
Jin-Zhuang Liu ◽  
Xiao-Fei Wu ◽  
Nuo-Xin Xu ◽  
Qi-Long Zhang ◽  
Hui Yang

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