Results 21 to 30 of about 35,202 (159)

Thermal response of active Si in press-fit rectifier diodes by confocal Raman microscopy: Influence of diode design and technology

open access: yesJournal of Materials Research and Technology, 2022
Overheating resulting from the circulation of high electric currents (in the order of tens of amperes) that some electronic devices undergo when they are in operation, can induce structural modifications such as mechanical stresses that could reduce ...
S. Román-Sánchez   +5 more
doaj   +1 more source

Los inicios de la producción cerámica esmaltada con decoración en azul y dorado en las áreas islámica y cristiana de la Península Ibérica. Producción, transferencia de tecnología y comercio

open access: yes, 2020
El presente trabajo es una recopilación de trabajos anteriores en los que se ha tratado el asunto de manera parcial. Ahora intentaremos presentar una visión panorámica con el objetivo, también personal, de realizar una parada en la investigación ...
García Porras, Alberto
core   +1 more source

Técnica, áulica y distinción social en la cerámica medieval [PDF]

open access: yes, 2015
Islamic society gave the pottery a high capacity for symbolic representation of power thanks to its promotion, favouring his great technical development.
Coll Conesa, Jaume; Museo Nacional de Cerámica “González Martí”
core   +1 more source

Densification of lightweight aluminum borate ceramics by direct sintering of milled powders

open access: yesJournal of Asian Ceramic Societies, 2018
Dense aluminum borate (Al18B4O33) materials were processed by simple milling-sintering of aluminum borate powders obtained by reacting calcined alumina and fine boric acid at temperatures of around 600–800ºC.
M.F. Hernández   +5 more
doaj   +1 more source

Relaciones microestructura-comportamiento mecánico en materiales de alúmina-hexaluminato cálcico

open access: yesRevista de Metalurgia, 2001
Se ha modificado el hábito de crecimiento de grano en materiales densos de alúmina mediante la adición de hexaluminato calcico (CA6). Con objeto de obtener una óptima dispersión de la segunda fase, se han utilizado rutas coloidales de procesamiento.
A. J. Sánchez-Herencia   +2 more
doaj   +1 more source

The main role of the ZrO2–MgO–CaO and ZrO2–MgO–CaO–SiO2 systems in the field of refractories

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2022
The increasing severity of the working conditions of refractories together with the necessity of available and economically feasible raw materials have changed the design approaches towards materials experiencing “in situ” modifications during use.The ...
Carmen Baudín, Pilar Pena
doaj   +1 more source

Precise Tuning of the Nanostructured Surface leading to the Luminescence Enhancement in SrAl2O4 Based Core/Shell Structure

open access: yesScientific Reports, 2017
Intensive research has been focused on the synthesis of long-lasting SrAl2O4:EuDy in luminescent materials field. Traditionally, SrAl2O4:EuDy is synthesized in bulk form by solid state.
Rocío Estefanía Rojas-Hernandez   +4 more
doaj   +1 more source

Fuel effect on solution combustion synthesis of Co(Cr,Al)2O4 pigments

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2017
The fuel effect on the synthesis of a ceramic pigment with a composition CoCr2−2ΨAl2ΨO4 (0 ≤ Ψ ≤ 1) by means of solution combustion synthesis process (SCS) has been studied.
Jessica Gilabert   +3 more
doaj   +1 more source

Different low-cost materials to prevent the alteration induced by formic acid on unstable glasses

open access: yesHeritage Science, 2021
The most frequent cause of glass degradation is environmental moisture, which is adsorbed on its surface forming a hydration layer that induces the rupture of the glass network.
Rodrigo Arévalo   +3 more
doaj   +1 more source

Industria cerámica clásica [PDF]

open access: yes, 1991
En esta unidad se identifican los diversos tipos de industria cerámica, las propiedades de las materias primas y la construcción de moldes y pastas. También se pretende resaltar la importancia de la nueva tecnología cerámica frente a las expectativas y ...
Bernal de Ramírez, Inés
core  

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