Results 21 to 30 of about 178 (155)

Rheological Properties and Curing Characteristics of Al₂O₃-SiO₂ Foam Slurries Containing Organic Gelling Agent

Cailiao gongcheng, 2017
The direct foaming method combined with gelcasting was employed to prepare mullite ceramic foam. Triacetin, polyimide and hydroxypropyl cellulose were creatively proposed as gelling agent for gelcasting process, respectively.
WANG Xin, ZHAO Lei, DU Xing, FANG Wei, HE Xuan, YE Lin-feng   +5 more
doaj   +1 more source

Produção e caracterização de espumas de alumina pelo processo gelcasting sem controle atmosférico Production and characterization of alumina foams by the gelcasting process without atmospheric contro

Cerâmica, 2009
O processo de gelcasting, associado à aeração de suspensões cerâmicas, permite a produção de espumas cerâmicas com uma ampla faixa de porosidade (50-90vol.%).
E. de Sousa, F. S. Ortega, V. C. Pandolfelli   +2 more
doaj   +1 more source

Dense Alumina Ceramics Obtained by Gelcasting and Cold Isostatic Pressing with the Use of 2-Carboxyethyl Acrylate [PDF]

Archives of Metallurgy and Materials, 2018
In ceramic forming techniques high particles packing can provide better properties of the final ceramic products. The high quality of the material coupled with the shape complexity of the ceramic product is still challenging. The aim of this work was the
P. Wiecińska, E. Pietrzak, Y. Sakka, J. Nakamura, M. Szafran   +4 more
doaj   +1 more source

Influência do tempo de indução nas propriedades de hidroxiapatita porosa obtida por gelcasting de espumas Influence of the induction time on the properties of porous hydroxyapatite obtained by gelcasting foams

Cerâmica, 2007
Hidroxiapatita é uma cerâmica bioativa que permite o crescimento de tecido ósseo e revascularização da área implantada pela formação de ligação com a fase mineral dos ossos.
T. M. Volkmer, L. A. dos Santos
doaj   +1 more source

Hidroxiapatita porosa produzida através do gelcasting de espumas visando aplicações biomédicas Porous hydroxyapatite prepared by gelcating of foams for biomedical applications

Cerâmica, 1999
Hidroxiapatita porosa foi produzida por meio de uma nova técnica de processamento, visando aplicações na área de implantes ósseos. A produção do material poroso é feita através da produção de espumas pela agitação de suspensões cerâmicas aquosas contendo
P. Sepúlveda, V. C. Pandolfelli, S. O. Rogero, O. Z. Higa, J. C. Bressiani   +4 more
doaj   +1 more source

Preparation and mechanical properties of ZrO₂/Al₂O₃ porous ceramics

Cailiao gongcheng, 2021
ZrO2/Al2O3porous ceramics were prepared by gel-foaming technique. The rheological property of slurry, the effect of solid content on the microstructure and mechanical property of the porous green bodies and the relationship between the MgO sintering ...
JIANG Hao-ran, LIN Shuo, ZHANG Kang-fei, WANG Hai-yan, WANG Jia-qi, HE Xiu-lan   +5 more
doaj   +1 more source

3D structure design of magnetic ferrite cores using gelcasting and pressure-less sintering process

AIP Advances, 2019
Gelcasting is a well established process for ceramics manufacturing which recently has been proved to be successful for soft ferrites as well. This approach is particularly interesting for power electronics application in which the magnetic components (e.
A. Stratta, B. Ahmadi, B. Mouawad, S. Robertson, L. De Lillo, L. Empringham, M. Johnson   +6 more
doaj   +1 more source

Propriedades mecânicas de espumas cerâmicas produzidas via "gelcasting" Mechanical properties of ceramic foams produced by gelcasting

Cerâmica, 2003
Cerâmicas porosas são materiais de grande interesse tecnológico, devido à associação de propriedades únicas como alta refratariedade e inércia química com alta permeabilidade, alta área superficial e baixa condutividade térmica.
F. S. Ortega, A. E. M. Paiva, J. A. Rodrigues, V. C. Pandolfelli   +3 more
doaj   +1 more source

Size optimization of silver nanoparticles synthesized by gelcasting using the Taguchi method [PDF]

Journal of Nanostructures, 2019
In the present study, silver nanoparticles were synthesized by decomposition of AgNO3 via gelcasting. Methacrylamide was used as a low toxic monomer for gel formation. Effect of monomer content (MAM), cross-linker to monomer ratio (MBAM/MAM), silver salt
Ali Askari Zadeh Mahani, Mehrdad Manteghian   +1 more
doaj   +1 more source

Gelcasting of Alumina with Application of New Monomer Synthesised from Xylitol

Archives of Metallurgy and Materials, 2013
Podążając za trendem „zielonej chemii", zakładającym m.in. wykorzystywanie nietoksycznych i odnawialnych surowców w technologii, zaprojektowano i zsyntezowano nowy monomer przeznaczony do zastosowania w procesie odlewania żelowego.
Szudarska A., Guryniuk D., Mizerski T., Szafran M.   +3 more
doaj   +1 more source