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corrosion (14) 14
engineering, multidisciplinary (14) 14
materials science, multidisciplinary (8) 8
coatings (7) 7
thin films (7) 7
wear (7) 7
corrosion resistance (6) 6
engineering. civil engineering (6) 6
alkali-activated cement (5) 5
biocompatibility (5) 5
carbonation (5) 5
erosion (5) 5
korrosion (5) 5
protective coatings (5) 5
technology (5) 5
compressive strength (4) 4
films (4) 4
mechanical properties (4) 4
mortars (4) 4
nanoscience & nanotechnology (4) 4
niobium (4) 4
steel (4) 4
titanium (4) 4
alloys (3) 3
article (3) 3
austenitic stainless steels (3) 3
biomaterials (3) 3
chloride ion (3) 3
desgaste (3) 3
doppelschicht (3) 3
elektronenmikroskopie (3) 3
fly ash (3) 3
fly-ash (3) 3
hafnium carbide (3) 3
hardness (3) 3
hydration (3) 3
korrosionsbeständigkeit (3) 3
magnetite (3) 3
multilayer (3) 3
polarisationskurve (3) 3
scanning electron microscopy (3) 3
transplants & implants (3) 3
a. steel reinforced concrete (2) 2
alloy (2) 2
aluminum chromium nitride (2) 2
aluminum oxide (2) 2
animals (2) 2
atomic force microscopy (2) 2
az31 magnesium alloys (2) 2
behavior (2) 2
bewehrungsstahl (2) 2
biomedical materials (2) 2
blended concretes (2) 2
carbid (2) 2
carbides (2) 2
castor oil (2) 2
chlorid (2) 2
co-sputtering (2) 2
concrete (2) 2
corrosion-erosion (2) 2
corrosión (2) 2
cutting tools (2) 2
deposition (2) 2
descriptive and experimental mechanics (2) 2
dynamic corrosion (2) 2
dünnfilm (2) 2
eis (2) 2
electrical engineering. electronics. nuclear engineering (2) 2
electrochemical measurements (2) 2
electrochemical properties (2) 2
electrochemistry (2) 2
erosion corrosion (2) 2
fsp (2) 2
gold (2) 2
index medicus (2) 2
interlayers (2) 2
korrosionsverhalten (2) 2
laborversuch (2) 2
machining (2) 2
magnetron (2) 2
mecanizado (2) 2
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mehrfachbeschichtung (2) 2
membranes, artificial (2) 2
metallurgy & metallurgical engineering (2) 2
microscopy (2) 2
microstructure (2) 2
monolayer (2) 2
mössbauer spectroscopy (2) 2
niobium - chemistry (2) 2
nitride (2) 2
platin (2) 2
portland cement (2) 2
recubrimientos (2) 2
resistance (2) 2
rotation speed (2) 2
röntgendiffraktion (2) 2
slags (2) 2
stainless steel (2) 2
steel reinforced concrete (2) 2
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1. Full Text Potential of niobium-based thin films as a protective and osteogenic coating for dental implants: The role of the nonmetal elements
by Xu, Zhengjiang and Yate, Luis and Qiu, Yuan and Aperador, Willian and Coy, Emerson and Jiang, Bin and Moya, Sergio and Wang, Guocheng and Pan, Haobo
Materials Science & Engineering C, ISSN 0928-4931, 03/2019, Volume 96, pp. 166 - 175
An ideal dental implant coating should provide a highly protective interface and an osteogenic function. Inspired by the excellent biocompatibility and... 
Corrosion resistance | Nanowear | Film | Tribo-corrosion | Osteogenesis | BIOCOMPATIBILITY | MATERIALS SCIENCE, BIOMATERIALS | BEHAVIOR | TITANIUM | NITRIDE | VANADIUM | WEAR | HARDNESS | ALLOY | Osteogenesis - drug effects | Coated Materials, Biocompatible - pharmacology | Coated Materials, Biocompatible - chemistry | Membranes, Artificial | Rats | Rats, Sprague-Dawley | Animals | Cell Differentiation - drug effects | Mesenchymal Stem Cells - cytology | Niobium - pharmacology | Niobium - chemistry | Dental Implants | Mesenchymal Stem Cells - metabolism | Surgical implants | Niobium carbide | Transplants & implants | Films | Corrosive wear | Mesenchyme | Stem cell transplantation | Coatings | Bacterial corrosion | Niobium | Thin films | Dental restorative materials | Allografts | Bone marrow | Biocompatibility | Protective coatings | Dental prosthetics | Corrosion prevention | Bone implants | Corrosion | Stem cells | Niobium oxides | Niobium nitride | Electrochemistry | Dental implants | Tribology
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2. Full Text Characterization of the micro-abrasive wear in coatings of TaC-HfC/Au for biomedical implants
by Guzmán, Pablo and Yate, Luis and Sandoval, Mercy and Caballero, Jose and Aperador, Willian
Materials, ISSN 1996-1944, 07/2017, Volume 10, Issue 8, p. 842
The object of this work was the deposition of a Ta-Hf-C thin film with a gold interlayer on stainless steel, via the physical vapor deposition (PVD) technique,... 
Gold | Tantalum carbide | Micro-abrasion | Wear | Hafnium carbide | Interlayers | Atomic force microscopy | Surgical implants | Atomic force microscopes | Electron microscopes | X-ray diffraction | Crystallography | Aluminum oxide | Fixation | Abrasive wear | Abrasion resistance | Particle physics | Hydrofluorocarbons | Surface properties | Physical vapor deposition | Biocompatibility | Abrasives | Protective coatings | gold | wear | hafnium carbide | tantalum carbide | micro-abrasion
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3. Full Text Enhancement of the Pitting Corrosion Resistance of AISI316LVM Steel with Ta-Hf-C/Au Bilayers for Biomedical Applications
by Guzman, Pablo and Aperador, Willian and Yate, Luis
Journal of Nanomaterials, ISSN 1687-4110, 01/2017, Volume 2017
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4. Full Text Biocompatibility of bismuth silicate coatings deposited on 316L stainless steel by sol-gel process
by Bautista-Ruiz, Jorge Hernando and Olaya-Flórez, Jhon Jairo and Aperador-Chaparro, Willian Arnulfo and Universidad Militar Nueva Granada and Universidad Nacional de Colombia
Revista Facultad de Ingenieria, ISSN 0120-6230, 2017, Volume 2017, Issue 84, pp. 27 - 34
Bismuth silicate, (BSO) thin films have been fabricated by sol-gel process. The stable sol was synthesized by using bismuth nitrate (III) pentahydrate and... 
Biocompatibility | Bismuth silicate films | MTT assay | Sol-gel | Atomic force microscopy | Temperature | Transplants & implants | Toxicity | Adhesion tests | X-ray diffraction | Cytotoxicity | Coatings | Osteoblasts | Cell adhesion & migration | Thin films | Biomedical materials | Austenitic stainless steels | Cell adhesion | Titanium | Bismuth | Bones | Tetraethyl orthosilicate | Bismuth silicate | Thickness | Composite materials | Corrosion | Stainless steel | Silicas | Sol-gel processes
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5. Full Text Cenizas de cascarilla de arroz para la activación alcalina de cementantes binarios (ceniza volante/escoria de alto horno)
by Pulido, Jhon Cárdenas and Chaparro, John Wilfer Aperador and Chaparro, Willian Aperador and Cárdenas, Manuel Jonathan Pinzón and Chunga, Kervin and Guzman, Michel Ángelo Ospina
Matéria (Rio de Janeiro), ISSN 1517-7076, 2019, Volume 24, Issue 1
RESUMEN Se fabricaron morteros de activación alcalina basados en ceniza volante clase F y escoria de alto horno, con el fin de estudiar el efecto de una fuente... 
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6. Full Text Mecanizado de Acero AISI1020, Utilizando Buriles con Recubrimiento Monocapa de Nitruro de Vanadio
by Navarro-Devia, John H and Aperador, Willian A and Delgado, Arnoldo
Información tecnológica, ISSN 0718-0764, 2017, Volume 28, Issue 1, pp. 77 - 86
Acero SAE-AISI 1020 fue mecanizado por arranque de viruta, utilizando buril de acero rápido ASSAB 17 como sistema de referencia, y buril con recubrimiento... 
ENGINEERING, MULTIDISCIPLINARY
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7. Full Text Biocompatibility of bismuth silicate coatings deposited on 316L stainless steel by sol-gel process
by Jorge Hernando Bautista-Ruiz and Jhon Jairo Olaya-Flórez and Willian Arnulfo Aperador-Chaparro
Revista Facultad de Ingeniería, ISSN 0120-6230, 01/2017, Issue 84, pp. 27 - 34
Películas delgadas de silicato de bismuto (BSO) se han fabricado mediante el proceso sol-gel. El sol estable se sintetizó utilizando nitrato de bismuto (III)... 
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8. Comportamiento mecánico de sistemas cementantes binarios (cemento Portland - Ceniza volante - Escoria de alto horno)
by Cárdenas Pulido, Jhon and Lizarazo-Marriaga, Juan and Aperador Chaparro, Willian
Revista Latinoamericana de Metalurgia y Materiales, ISSN 0255-6952, 2016, Volume 36, Issue 1, pp. 78 - 98
Alkali activated concretes | Mechanical properties | Blended concretes
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9. Industrial byproduct- based concrete subjected to carbonation. Electrochemical behavior of steel reinforcement
by Aperador, Willian and Vera, Rosa and Carvajal, Ana María
International Journal of Electrochemical Science, ISSN 1452-3981, 2012, Volume 7, Issue 12, pp. 12870 - 12882
Samples of ASTM A-706 structural steel embedded in different concretes obtained from mixtures of alkali-activated steel slag and fly ash were exposed to... 
Fly ash | Corrosion | Steel slag | Accelerated carbonation | ELECTROCHEMISTRY | corrosion | steel slag | ALKALI-ACTIVATED SLAG | MORTARS | fly ash | STRENGTH | accelerated carbonation | FLY-ASH | HYDRATION
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10. Full Text Determinación del Desgaste por Erosión en Materiales Recubiertos
by Caballero, José L and Aperador, Willian A and Delgado, Amoldo E
Información tecnológica, ISSN 0718-0764, 2015, Volume 26, Issue 2, pp. 163 - 172
En el presente artículo se determina la tasa de erosión de recubiertos cerámicos, mediante el uso de una aplicación de software que involucra parámetros... 
ENGINEERING, MULTIDISCIPLINARY
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11. Full Text Determinación del Desgaste por Erosión en Materiales Recubiertos
by Caballero, José L and Aperador, Willian A and Delgado, Amoldo E
Información tecnológica, ISSN 0718-0764, 2015, Volume 26, Issue 2, pp. 163 - 172
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12. Full Text Biocompatibility of bismuth silicate coatings deposited on 316L stainless steel by sol-gel process/Biocompatibilidad de recubrimientos de silicato de bismuto depositados sobre sustratos de acero inoxidable 316L por sol-gel
by Bautista-Ruiz, Jorge Hernando and Olaya-Florez, Jhon Jairo and Aperador-Chaparro, Willian Arnulfo
Revista Facultad de Ingenieria. Universidad de Antioquia, ISSN 0120-6230, 09/2017, Issue 84, p. 27
Bismuth silicate, (BSO) thin films have been fabricated by sol-gel process. The stable sot was synthesized by using bismuth nitrate (III) pentahydrate and... 
Aspectos sociales | Arquitectura | Aspectos economicos
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13. Full Text Caracterización de recubrimientos DLC/Si bajo la influencia de un fluido biológico simulado
by Vargas, William and Caballero-Gómez, José Luis and Aperador-Chaparro, Willian Arnulfo
REVISTA FACULTAD DE INGENIERÍA, ISSN 0121-1129, 01/2016, Volume 25, Issue 41, pp. 7 - 19
Uno de los materiales más usados como biomaterial es el acero 316LVM; sin embargo, presenta complicaciones al trabajarlo como reemplazo permanente, debido a... 
Microabrasión | Recubrimientos | Fluido biológico
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14. Full Text Tribological and wear behavior of HfN/VN nanomultilayer coated cutting tools
: Comportamiento tribológico y desgaste de nanocapas de HfN / VN utilizadas en herramientas de corte
by Aperador Chaparro, Willian
Ingeniería e Investigación, ISSN 0120-5609, 03/2014, Volume 34, Issue 1, pp. 22 - 28
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15. Comportamiento mecanico de sistemas cementantes ternarios (cemento portland - Ceniza volante - Escoria de alto horno)
by Pulido, Jhon Cárdenas and Lizarazo-Marriaga, Juan and Chaparro, Willian Aperador
Revista Latinoamericana de Metalurgia y Materiales, ISSN 0255-6952, 2016, Volume 36, Issue 2, pp. 201 - 216
Ternary blend mixtures | Mechanical properties | Blended concretes
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16. Full Text Evaluación del Desempeño de Buriles con Recubrimiento Monocapas de Nitruro de Hafnio en el Proceso de Mecanizado
by Navarro-Devia, John H and Aperador, Willian A and Delgado, Arnoldo
Información tecnológica, ISSN 0718-0764, 2016, Volume 27, Issue 1, pp. 127 - 138
Recubrimientos monocapa de nitruro de hafnio fueron depositados en buriles de acero rápido, mediante técnica de deposición física en fase vapor mediante... 
ENGINEERING, MULTIDISCIPLINARY
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17. Full Text Respuesta a pulsos galvanostáticos del acero embebido en concretos de escoria activada alcalinamente
by Aperador-Chaparro, Willian Arnulfo and Lizarazo-Marriaga, Juan Manuel and Cárdenas-Pulido, Jhon Wilmar
REVISTA FACULTAD DE INGENIERÍA, ISSN 0121-1129, 05/2015, Volume 24, Issue 39, pp. 21 - 29
Presenta la aplicación de la técnica de pulsos galvanostáticos en el concreto de escoria activada alcalinamente, sometido a procesos acelerados de... 
Corrosión, Escoria activada alcalinamente, Carbonatación, Espectometría Mössbauer
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18. Full Text COMPORTAMIENTO DE CORROSIÓN-EROSIÓN EN RECUBRIMIENTOS DE TiN/ZrN DEPOSITADOS SOBRE ACERO AISI 4140
by Aperador, Willian and Mejía, Aura S and Caicedo, Julio
Información tecnológica, ISSN 0718-0764, 2014, Volume 25, Issue 1, pp. 23 - 32
Se depositaron películas delgadas de nitruro de titanio/nitruro de zirconio sobre acero AISI 4140 mediante un sistema multi-blanco magnetrón pulverización... 
ENGINEERING, MULTIDISCIPLINARY
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19. Full Text COMPORTAMIENTO DE CORROSIÓN-EROSIÓN EN RECUBRIMIENTOS DE TiN/ZrN DEPOSITADOS SOBRE ACERO AISI 4140
by Aperador, Willian and Mejía, Aura S and Caicedo, Julio
Información tecnológica, ISSN 0718-0764, 2014, Volume 25, Issue 1, pp. 23 - 32
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20. Full Text Caracterización de recubrimientos DLC/Si bajo la influencia de un fluido biológico simulado/Characterization of DLC/Si coatings under the influence of a simulated biological fluid/Caracterização de recobrimentos DLC/Si sob a influência de um fluído biológico simulado
by William Vargas and José Luis Caballero-Gómez and Willian Arnulfo Aperador-Chaparro
Revista Facultad de Ingenieria, ISSN 0121-1129, 01/2016, Volume 25, Issue 41, p. 7
  One of the metals most used as biomaterial is the 316LVM steel. Nevertheless, it presents complications when used as permanent implant, due to the metallic... 
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