Results 21 to 30 of about 3,841,042 (288)

Preparation and properties of novel tungstate SrLa6W10O40: Eu3+ phosphors [PDF]

Processing and Application of Ceramics
Novel tungstate SrLa6-xW10O40: xEu3+ (x = 0, 0.03, 0.06, 0.09, 0.12, 0.15, 0.18, 0.21) red phosphors were prepared by solid state method at 1150 °C by using SrCO3, La2O3, WO3 and Eu2O3 as raw materials. The powders were agglomerated with particles having
Feng Guo, Huang Xiaolong, Jiang Feng, Yang Qing, Jin Wenwei, Shao Chuan, Liu Jianmin, Dahai Wang, Jian Liang   +8 more
doaj   +1 more source

Starch consolidation of red clay-based ceramic slurry inside a pressure-cooking system [PDF]

Materials Research, 2013
The consolidation of red clay-based slurry by gelatinization of starch in a domestic pressure cooker was presented. Aqueous ceramic slurries were prepared consisting of a ternary powder mixture of red clay, quartz, feldspar, and different starch types ...
Ruben L. Menchavez, Carl Rhamel M. Adavan, Jamelie M. Calgas   +2 more
doaj   +1 more source

Non-invasive Analyses of Ancient Ceramics Colorants

Croatica Chemica Acta, 2015
Present research exploits the benefits of the non-invasive and non-destructive spectroscopic methods in order to characterize the pigments which constitute the colorants found on ancient ceramic pieces.
Igor Lukačević, Dragana Rajković
doaj   +1 more source

Desempenho de concretos com agregados reciclados de cerâmica vermelha Performance of red ceramic recycled aggregate concrete

Cerâmica, 2009
Os resíduos de construção e demolição (RCD) constituem uma importante parcela dos resíduos sólidos produzidos nas cidades brasileiras, correspondendo em torno de 50% dos resíduos sólidos urbanos.
A. E. B. Cabral, V. Schalch, D. C. C. Dal Molin, J. L. D. Ribeiro, Rasiah Sri Ravindrarajah   +4 more
doaj   +1 more source

Reaproveitamento de resíduo de rocha ornamental proveniente do Noroeste Fluminense em cerâmica vermelha Utilization of ornamental rock waste from Northwest Fluminense in red ceramic

Cerâmica, 2005
A indústria de rochas ornamentais da região Noroeste Fluminense gera grandes quantidades de resíduo fino resultante do processo de extração e corte de rochas. Este resíduo quando descartado provoca impacto ambiental negativo no meio ambiente. No presente
J. M. S. Moreira, J. P. V. T. Manhães, J. N. F. Holanda   +2 more
doaj   +1 more source

Mechanical properties of concrete made with waste fine and coarse ceramic aggregates

Magazine of Civil Engineering
This study aims to produce a new type of waste aggregate concrete by using fine and coarse waste ceramic as aggregate; the waste ceramic used in this study was in 2 types: red ceramic, which has a red colour and is produced from waste ceramic tiles, and ...
Alasadi Layth Abdulrasool
doaj   +1 more source

Evaluation and application of sintered red mud and its incorporated clay ceramics as materials for building construction

Journal of Materials Research and Technology, 2020
In the aluminum industry, the initial operation comprises the production of its oxide, Al2O3 (alumina) from ores, mainly the bauxite. The Bayer process is, in practice, the only used to produce alumina generating a huge amount of hazardous waste known as
Michelle Pereira Babisk, Lucas Fonseca Amaral, Larissa da Silva Ribeiro, Carlos Maurício Fontes Vieira, Ulisses Soares do Prado, Monica Castoldi Borlini Gadioli, Michelle Souza Oliveira, Fernanda Santos da Luz, Sergio Neves Monteiro, Fabio da Costa Garcia Filho   +9 more
doaj   +1 more source

Residual stresses in ceramic metal assembly after brazing process [PDF]

, 2006
The framework of this study is the thermo-mechanical analysis of the brazing process of ceramic metal assemblies. The thermal expansion gradient between ceramic and metallic materials leads to the development of residual stresses during the cooling phase
B. Lorrain, V. Cazajus, Karama, Moussa, Welemane, Hélène, H. Welemane, Moussa Karama, Lorrain, Bernard, Cazajus, Vincent   +7 more
core   +1 more source

Efeito da utilização de areia no processamento e nas propriedades de cerâmica vermelha Effect of the use of sand in the processing and properties of red ceramics

Cerâmica, 2010
Este trabalho teve por objetivo reformular uma típica massa de telhas produzida no município de Campos dos Goytacazes, RJ, variando a quantidade de areia.
L. F. T. Queiroz, S. N. Monteiro, C. M. F. Vieira   +2 more
doaj   +1 more source

Incorporation of mold flux waste in red ceramic

Journal of Materials Research and Technology, 2019
This work has as its objective to evaluate the effect of mold flux waste incorporation in a red ceramic body. The mold flux waste came from an industry of additives for continuous casting of steel, in the municipal area of Guaratinguetá, State of São Paulo, Brazil.
Thaís Queiroz Gomes Vigneron, Carlos Maurício Fontes Vieira, Geovana Carla Girondi Delaqua, Fernando Vernilli Júnior, Ângelo Cristante Neto   +4 more
openaire   +2 more sources