Results 11 to 20 of about 251,875 (155)
Aplicación de las técnicas coloidales al procesamiento de cermets Acero/Ti(C,N) en agua [PDF]
, 2015 La ponencia presentada en: XI Congreso Nacional de Materiales Compuestos, celebrado los días 6, 7 y 8 de julio de 2015, en Móstoles (España).Las técnicas de procesamiento coloidal han demostrado en numerosas ocasiones su efectividad para la obtención ...
Escribano Quintana, Juan Antonio +3 more
core +14 more sources
Performance of alkaline activated slag at high temperatures
Materiales de Construccion, 2004 This paper presents an investigation into the performance of alkali-activated slag (AAS) mortar exposed to elevated temperatures. Sodium silicate, sodium hydroxide and a mix (waterglass) with a modulus (SiO2/Na20) of 1.5 were used as activators.
R. Mejía de Gutiérrez +2 more
doaj +1 more source
Materiales de Construccion, 2019 The aim of this research was to study the carbonation resistance of a blast furnace slag concrete (80% GBFS/20%OPC), with and without alkaline activation, and its influence on the corrosion of structural reinforcement.
D. E. Angulo-Ramirez +4 more
doaj +1 more source
Analysis of thermal process of pozzolan production
Materiales de Construccion, 2004 The objective of this study was evaluated the effect of heat treatment parameters on the pozzolanic activity of natural kaolin clays. The experimental design included three factors: kaolin type, temperature and time.
R. Mejía De Gutiérrez +2 more
doaj +1 more source
Optimization of Mechanical and Setting Properties in Acrylic Bone Cements Added with Graphene Oxide
Applied Sciences, 2021 The extended use of acrylic bone cements (ABC) in orthopedics presents some disadvantages related to the generation of high temperatures during methyl methacrylate polymerization, thermal tissue necrosis, and low mechanical properties.
Lina Marcela Ruiz Rojas +5 more
doaj +1 more source
Materiales de Construccion, 2017 This study evaluates the use of large amounts of fine powders (fillers) derived from a Colombian volcanic material into the production of self-compacting concrete (SCC) for lower strength applications.
D. Burgos +3 more
doaj +1 more source
Alternative concrete based on alkali-activated slag
Materiales de Construccion, 2008 This article reports the results of related to on the performance of concrete made with waterglass (Na2SiO3•nH2O + NaOH)-activated Colombian granulated blast furnace slag.
E. Rodríguez +3 more
doaj +1 more source
Biomolecules, 2020 Acrylic bone cements (ABC) are widely used in orthopedics for joint fixation, antibiotic release, and bone defect filling, among others. However, most commercially available ABCs exhibit a lack of bioactivity and are susceptible to infection after ...
Mayra Eliana Valencia Zapata +2 more
doaj +1 more source
Efecto de materiales cementantes suplementarios en el control de la corrosión del concreto
Revista de Metalurgia, 2003 La falla del concreto en un tiempo inferior a la vida útil para la cual se diseñó puede ser consecuencia del medio ambiente al cual ha estado expuesto o de algunas otras causas de tipo interno.
R. Mejía de Gutiérrez
doaj +1 more source
Mundo Nano, 2023 La cuantificación electroquímica de biomarcadores en fluidos frecuentemente emplea nanopartículas metálicas como sustratos de detección. El desarrollo de materiales de cuantificación ha evolucionado en las últimas décadas con la incorporación de ...
Salvador Fernández +3 more
doaj +1 more source