Studies on Preparation and Property of 2.5D SiO2f/ SiO2 Composites

2009 ◽  
Vol 79-82 ◽  
pp. 1767-1770 ◽  
Author(s):  
Shu Ang Han ◽  
Kai Hui Jiang ◽  
Jun Wu Tang
Keyword(s):  
Dielectric Properties ◽  
Flexural Strength ◽  
Process Parameters ◽  
Sol Gel ◽  
Microwave Drying ◽  
Optimal Parameters ◽  
Optimal Process ◽  
The Real ◽  
Sol Gel Process ◽  
5 Ghz

In this paper, 2.5D SiO2f/SiO2 composites were fabricated via sol-gel process employing 2.5D braided silica fiber fabrics as reinforcements and high pure silicasol as slurry. The process parameters are optimized and the optimal parameters are as follows: the silicasol of 30.8 wt. % as slurry, microwave drying, and sintering at 900 °C. Utilizing the optimal process parameters, the density and the flexural strength of the composites can reach 1.65 g•cm-3 and 80.68 MPa respectively. Dielectric properties of the 2.5D SiO2f/SiO2 composites were also measured, and the real part of the permittivity is 3.40 at 5 GHz. The excellent mechanical and dielectric properties of the 2.5D SiO2f/SiO2 composites can well meet the requirements of radome materials.

Halogenation of ORMOSIL: A Promising Rout for Tailoring Optical Absorptions

2003 ◽  
Vol 771 ◽  
Author(s):  
Amir Fardad ◽  
Wei Liang ◽  
Yadong Zhang ◽  
Bryson Case ◽  
Shibin Jiang ◽  
...  
Keyword(s):  
Process Parameters ◽  
Sol Gel ◽  
Fiber Amplifiers ◽  
Grignard Reaction ◽  
Coupling Loss ◽  
Beam Splitters ◽  
Silicon Technology ◽  
Sol Gel Process ◽  
Propagation Losses ◽  
Signal Intensities

AbstractFluorinated and photo-imageable precursors are synthesized through a Barbier-Grignard reaction for 1550-nm window. The precursors are used for the sol-gel process of integrated optic components for silica-on-silicon technology. Material compositions and process parameters are optimized to achieve internal absorptions >0.1 dB/cm and propagation losses of about 0.5 dB/cm at 1550 nm. Compact 1×16 Beam splitters are designed and fabricated which exhibit >0.3 dB power uniformity, >0.1 dB PDL and 1.5 dB coupling loss. By hybrid integration of the passive splitters and in-house fiber amplifiers, amplifying splitters are demonstrated at various signal intensities.

Effect of sol-gel process parameters on the properties of a Li1.3Ti1.7Al0.3(PO4)3 solid electrolyte for Li-ion batteries

2016 ◽  
Vol 68 (1) ◽  
pp. 28-34 ◽  
Author(s):  
Seoung Soo Lee ◽  
Jing Lee ◽  
Yeon-Gil Jung ◽  
Jae-Kwang Kim ◽  
Youngsik Kim
Keyword(s):  
Solid Electrolyte ◽  
Process Parameters ◽  
Sol Gel ◽  
Li Ion Batteries ◽  
Sol Gel Process ◽  
Li Ion

Optical and dielectric properties of (Zr0.8,Sn0.2)TiO4 thin films prepared by sol–gel process

2003 ◽  
Vol 99 (1-3) ◽  
pp. 382-385 ◽  
Author(s):  
W.X Cheng ◽  
A.L Ding ◽  
P.S Qiu ◽  
X.Y He ◽  
X.Sh Zheng
Keyword(s):  
Thin Films ◽  
Dielectric Properties ◽  
Sol Gel ◽  
Sol Gel Process

Structure and dielectric properties of 80%Pb(Zn1/3Nb2/3)O3–20%PbTiO3 thin films prepared by modified sol–gel process

2011 ◽  
Vol 60 (2) ◽  
pp. 164-169 ◽  
Author(s):  
Chuanqing Li ◽  
Aiyun Liu ◽  
Junqiang Shi ◽  
Yafei Ruan ◽  
Lei Huang ◽  
...  
Keyword(s):  
Thin Films ◽  
Dielectric Properties ◽  
Sol Gel ◽  
Sol Gel Process

Studies of Process Parameters on Scale up of Nd:YAG Nanopowder Synthesis by Sol-gel Process

2012 ◽  
Vol 62 (3) ◽  
pp. 199-202
Author(s):  
Kiranmala Laishram ◽  
Rekha Mann ◽  
Neelam Malhan ◽  
Ravi Gupta
Keyword(s):  
Process Parameters ◽  
Sol Gel ◽  
Scale Up ◽  
Sol Gel Process ◽  
Nanopowder Synthesis

Phase Characterization and Dielectric Properties of Zn2SiO4Ceramics Derived from a Sol-Gel Process

2009 ◽  
Vol 387 (1) ◽  
pp. 184-188 ◽  
Author(s):  
Zhenxing Yue ◽  
Mingzhi Dong ◽  
Siqin Meng ◽  
Longtu Li
Keyword(s):  
Dielectric Properties ◽  
Sol Gel ◽  
Sol Gel Process ◽  
Phase Characterization
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