QUALICER 2014 QUALICER 2014

QUALICER 2014 XIII Congreso Mundial de la calidad del Azulejo y del Pavimento Cerámico QUALICER, el foro del recubrimiento cerámico, tiene su origen en 1990 cuando la Cámara Oficial de Comercio, Industria y Navegación de Castellón y el Colegio Oficial de Ingenieros Superiores Industriales unieron ilusiones, esfuerzos y recursos para crear un evento dedicado en exclusiva al sector del recubrimiento cerámico, un acontecimiento que marcara un […]

Critical issues in near net shape forming via green machining of ceramics: A case study of alumina dental crownCritical issues in near net shape forming via green machining of ceramics: A case study of alumina dental crown

Authors: Mohantya, S. Rameshbabua, A. P. Mandala, S. Sub,B. Dharaa, S. Source: J. Asian Ceram. Soc.Journal of Asian Ceramic Societies , In press , 2013 Green machining of ceramics through Computer Numerical Control (CNC) is efficient for near net shape fabrication due to minimum consumption of energy, less tool wear, and high material removal rate. However, there are numerous critical issues need to be addressed while manufacturing customized components […]

Isothermal and adiabatic Young´s moduli of alumina and zirconia ceramics at elevated temperaturesIsothermal and adiabatic Young´s moduli of alumina and zirconia ceramics at elevated temperatures

Authors: Pabst,W. Gregorová, E. Cerný,M. Source: J. Eur. Ceram. Soc. , In press , 2013 The elastic moduli (Young–s moduli) of alumina and zirconia ceramics with porosities ranging from almost dense (2–3%) to highly porous (46–52%), the latter prepared with starch as a pore-forming agent, have been measured via impulse excitation and four-point bending tests from room temperature up to more than 1200 °C. It is shown that, independent […]

Opportunities for Advanced Ceramics and Composites in the Nuclear SectorOpportunities for Advanced Ceramics and Composites in the Nuclear Sector

Authors: Lee,W.E Gilbert, M Murphy, S.T Grimes, R.W. Source: J. Am. Ceram. Soc.Journal of the American Ceramic Society , 1–26 , 2013 Ceramics have played a crucial role in the development of fission based nuclear power, in glass & glass composite high level wasteforms, in composite cements to encapsulate intermediate level wastes (ILW) and also for oxide nuclear fuels based on UO2 and PuO2/UO2 mixed oxides. They are also […]

NOx Sensor Wins Ceramic Society of Japan´s Technology AwardNOx Sensor Wins Ceramic Society of Japan´s Technology Award

NGK Insulators, Ltd. (President: Taro Kato; Headquarters: Nagoya, Japan) has developed a built-in automobile sensor capable of highly precise measurement of nitrogen oxide (NOx) concentrations. The subsequent commercialization of this sensor has earned it a strong reputation, and now it has won the Technology Award at The Ceramic Society of Japan–s 67th Japan Ceramic Society Awards Ceremony. With this award, The Ceramic Society of Japan […]

Extrusion processing of Dense MgAl2O4 Spinel Honeycombs with Low Relative DensityExtrusion processing of Dense MgAl2O4 Spinel Honeycombs with Low Relative Density

Authors: Biswas,P. Rajeswari, K.Mahendar,V. Johnson, R. Source: Ceram. Int.Ceramics International , In Press , 2012 Honeycomb structures were extruded from MgAl2O4 spinel dough with optimum rheological properties. Extruded honeycombs are sintered at 1700 °C followed by Hot Isostatic Pressing (HIP) to achieve close to theoretical densities. Honeycombs have shown a density of 3.57 g/cc along with the cellular properties such as wall thickness of 90 µm, cell opening of […]

Ceramic Foam Cleans Up Exhaust GasesCeramic Foam Cleans Up Exhaust Gases

The introduction next year of the Euro 6 exhaust-gas standard means that catalytic converters will become more expensive, above all for diesel vehicles. Empa is working on a catalytic substrate made of ceramic foam which, because of its structure, is more efficient and therefore more economic. Not only that — it also requires less noble metal coating. The irregular structure of the ceramic foam substrate […]

Encuentro hispano – israelí del sector del agua Encuentro hispano – israelí del sector del agua

Como resultado del contacto que REDIT estableció con la Embajada de Israel el pasado mes de febrero, nos invitan a participar en el encuentro con la delegación empresarial israelí del sector de las Tecnologías del Agua que visitará España y que estará en Madrid el próximo día 30 de mayo. El encuentro se desarrollará en el Parque Científico de Madrid, y constará de un seminario […]

The ceramic used in bullet-stopping body armourThe ceramic used in bullet-stopping body armour

Ceramics could be the key to providing soldiers with lighter and more effective body armour, according to a British research team attracting interest from the MoD. “Most people are familiar with ceramics in the house – your plates, mugs and possibly your toilet,” says material scientist Dr Hywel Jones of Sheffield Hallam University. The ceramics he hopes to use in body armour are in some […]

Additive manufacturing of ZrO2-Al2O3 ceramic components by selective laser meltingAdditive manufacturing of ZrO2-Al2O3 ceramic components by selective laser melting

Autores: Jan Wilkes, Yves-Christian Hagedorn, Wilhelm Meiners and Konrad Wissenbach , 2013 Purpose – The purpose this paper is to develop an additive manufacturing (AM) technique for high-strength oxide ceramics. The process development aims at directly manufacturing fully dense ceramic freeform-components with good mechanical properties. Design/methodology/approach – The selective laser melting of the ceramic materials zirconia and alumina has been investigated experimentally. The approach followed up is […]

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