Two-Step Sintering Behavior of Sol–Gel Derived Dense and Submicron-Grained YIG Ceramics

2018 ◽  
Vol 47 (4) ◽  
pp. 2411-2416 ◽  
Author(s):  
Ruoyuan Chen ◽  
Jijun Zhou ◽  
Liang Zheng ◽  
Hui Zheng ◽  
Peng Zheng ◽  
...  
Keyword(s):  
Sol Gel ◽  
Sintering Behavior

Further study on sintering behavior of sol-gel ThO2 microspheres

1991 ◽  
Vol 182 ◽  
pp. 195-202 ◽  
Author(s):  
Shigeru Yamagishi ◽  
Yoshihisa Takahashi
Keyword(s):  
Sol Gel ◽  
Sintering Behavior

A Comparative Study between Melt-Derived and Sol-Gel Synthesized 45S5 Bioactive Glasses

2013 ◽  
Vol 541 ◽  
pp. 15-30 ◽  
Author(s):  
Mariangela Lombardi ◽  
Laurent Gremillard ◽  
Jérôme Chevalier ◽  
Leila Lefebvre ◽  
Ilaria Cacciotti ◽  
...  
Keyword(s):  
Comparative Study ◽  
Thermal Behavior ◽  
Sol Gel ◽  
Glass Ceramics ◽  
Melting Process ◽  
Synthesis Process ◽  
Sintering Behavior ◽  
Bioactive Glasses

In the last years, bioactive glasses and glass-ceramics drew the attention for their application in the production of implants. Among them, Bioglass®45S5 is the most commonly used in terms of bioactivity, but its sintering behavior and the related glass-ceramics strongly depend on the followed synthesis process. For these reasons, this paper reports a comparison of the properties and the thermal behavior of bioactive 45S5 glasses produced by a conventional melting process starting from suitable solid precursors or an innovative sol-gel procedure.

Sintering behavior of sol-gel ThO2 microspheres

1987 ◽  
Vol 144 (3) ◽  
pp. 244-251 ◽  
Author(s):  
Shigeru Yamagishi ◽  
Yoshihisa Takahashi
Keyword(s):  
Sol Gel ◽  
Sintering Behavior

A Transmission Electron Microscopic study of the densification of 10:90 colloidal silica: Alkali silicate sol-gels

1989 ◽  
Vol 47 ◽  
pp. 436-437
Author(s):  
H. M. Kerch ◽  
R. A. Gerhardt ◽  
J. L. Grazul
Keyword(s):  
Colloidal Silica ◽  
A Priori ◽  
Sol Gel ◽  
Microscopic Analysis ◽  
Sintering Behavior ◽  
Specimen Preparation ◽  
Distilled Water ◽  
Electron Microscopic ◽  
Field Mode ◽  
Carbon Coated

The sintering behavior of a low density 10:90 wt% colloidal silica: potassium silicate sol-gel is being investigated. This material is of technological interest because of its ease of processing, high purity and relatively low sintering temperature. Porous structures are most frequently characterized by mercury penetration porosimetry and B.E.T. sorption technique. The underlying theory of both these procedures assume a priori knowledge of the pore geometry. Conversely, microscopic analysis allows direct observation of the pore network provided sample preparation does not alter the structure. To this end, the techniques of ultramicrotomy and Pt/C replication were adopted.Specimen preparation for ultramicrotomy is described elsewhere. All thin-sectioning was performed with a D.D.K. diamond knife using a distilled water media. The replicas were produced by a Balzers 301 freeze etch apparatus at a vacuum of 1 X 10-7 Torr. Platinum was evaporated at a thickness of 2.5 nm at 45° followed by a 15 nm layer of carbon deposited at 90°. The replicas were retrieved by immersing the gel in HF with a distilled water rinse. Both ultramicrotomed sections and replicas were collected onto carbon coated 400 mesh grids. All micrographs were taken on a JEOL 100CX in bright field mode.

Sintering Behavior of ZnO: Mn Ceramics Fabricated from Sol-Gel Derived Nanocrystalline powders

2009 ◽  
Vol 100 (5) ◽  
pp. 708-712 ◽  
Author(s):  
Z. B. Bahşi ◽  
A. Büyükaksoy ◽  
N. C. Köseoğlu ◽  
A. Y. Oral ◽  
M. H. Aslan
Keyword(s):  
Sol Gel ◽  
Nanocrystalline Powders ◽  
Sintering Behavior
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