Results 141 to 150 of about 2,006 (195)

Preparation of Reticulated Ceramics by Gelcasting

Journal of Inorganic Materials, 2008
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Gelatin gelcasting of ceramic components

Journal of Materials Processing Technology, 2003
Abstract Gelcasting is a new near net shaping technique, which has rapidly evolved from a laboratory invention towards industrial application. In gelcasting, a highly loaded but very fluid slurry consisting of powder, water, disperser and gelformer, is poured into a mould and subsequently gelled.
L.J Vandeperre, A.M De Wilde, J Luyten
exaly   +2 more sources

Thermoresponsive Gelcasting: Improved Drying of Gelcast Bodies

Journal of the American Ceramic Society, 2011
An improved ceramic processing method, thermoresponsive gelcasting, has been developed. The method uses a rapid thermoresponsive gel system to solve the problem of inefficient drying within the conventional gelcasting procedure.
Xiaofeng Wang, Richu Wang, Chaoqun Peng, Haipu Li, Bing Liu, Zhiyong Wang   +5 more
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Gelcasting of PZT

Ceramics International, 2003
Abstract Aqueous gelcasting of PZT is discussed in this paper. Concentrated PZT suspension (50 vol.%) with low viscosity is developed by using triammonium citrate as the dispersant. Zeta potential results suggest that the effect of TAC in decreasing the viscosity of the PZT suspension may be ascribed to its electrostatic stabilization mechanism.
Dong Guo, Kai Cai, Longtu Li, Cewen Nan, Zhilun Gui   +4 more
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Gelcasting of Alumina

Journal of the American Ceramic Society, 1991
Gelcasting is a novel method for molding ceramic powder based on a synthesis of concepts derived from traditional ceramics and polymer chemistry. Gelcasting of alumina is described in this paper. The process is based on the in situ polymerization of acrylamide monomers as the setting mechanism for forming the green body.
Albert C. Young, Ogbemi O. Omatete, Mark A. Janney, Paul A. Menchhofer   +3 more
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Gelcasting Of Nbc20ni Cemented Carbide

Euro PM2023 Proceedings, 2023
Gelcasting has been successfully used to produce high-performance sintered ceramic components, and large shrinkages during sintering at high temperatures are common for obtaining high-density parts, since very fine ceramic powders are used as raw material.
Daniel Rodrigues, Suzilene Real Janasi, Fábio Miranda, Fernando dos Santos Ortega   +3 more
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Green gelcasting of CaCu3Ti4O12 ceramics

Journal of Materials Science: Materials in Electronics, 2020
CaCu3Ti4O12 (CCTO) ceramics with desirable dielectric properties were prepared by a green gelcasting forming method combined with pressureless sintering. A non-toxic natural macromolecule, glutinous rice flour (GRF) was used as the gelling agent for the gelcasting process.
Wei Wan, Wenhua Tang, Meizhen Tao, Hailin Cao, Junrong Luo, Wen-xiang Yuan, Tai Qiu   +6 more
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Ceramic Laminates by Gelcasting

International Journal of Applied Ceramic Technology, 2009
Laminated ceramic composites are appealing for many applications due to their unique and customizable thermal and mechanical properties. Gelcasting is a relatively new, yet commercially proven, near‐net‐shape processing technique suitable for laminate production.
Shanti, Noah O., Hovis, David B., Seitz, Michelle E., Montgomery, John K., Baskin, Donald M., Faber, Katherine T.   +5 more
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Geopolymer foams by gelcasting

Ceramics International, 2014
Abstract Highly porous geopolymers, with homogeneous microstructure, open cells and porosity up to 80 vol%, were fabricated by gel-casting, a process commonly used to produce ceramic foams. Geopolymer foams were prepared by stirring an activated blend of metakaolin and fly ash with a mixture of potassium hydroxide and potassium silicate with Si/K=1 ...
Marcelo Strozi Cilla, COLOMBO, PAOLO, Márcio Raymundo Morelli   +2 more
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Gelcasting of Aluminum Nitride Ceramics

Journal of the American Ceramic Society, 2010
Aluminum nitride (AlN) ceramics has been prepared by nonaqueous gelcasting in air and sintering in nitrogen atmosphere. The influence of pH and dispersant on the ζ potential of AlN–ethanol slurry was studied. And the rheological behavior of the slurry was evaluated to optimize the dispersant content and solid
Jianfeng Xue, Manjiang Dong, Jun Li, Guohong Zhou, Shiwei Wang   +4 more
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