Results 101 to 110 of about 180,532 (251)

Evaluación del estado de conservación del hormigón armado en el puente sobre Arroyo Calá, provincia de Entre Ríos [PDF]

open access: yes, 2011
Una de las principales causas de daño y que incluso puede provocar la falla o fin de la vida de servicio de un puente de hormigón armado, es la corrosión de sus armaduras de acero. Diseños no adecuados a la durabilidad esperada, falta de mantenimiento, y
Machado, Patricio   +2 more
core  

Corrosion and Process Analysis of a Preoxidized MgO Recyclate‐Based Cermet Anode in Laboratory‐Scale Na‐Cryolite Molten Salt Electrolysis of Aluminum at 1000°C

open access: yesAdvanced Engineering Materials, EarlyView.
EDX elemental map of the pre‐oxidized MgO–steel cermet anode cross section after electrolysis. The development of inert anodes for aluminum electrolysis remains challenging due to the high corrosivity of cryolite‐based melts at 950°C–1000°C. This study investigates the corrosion and process behavior of a carbon‐free MgO–steel cermet anode derived from ...
Alexander Adamczyk   +7 more
wiley   +1 more source

Hot Corrosion Behaviour of NiCrFeNbMoTiAl Coating in Molten Salts at 700°c by Electrochemical Techniques

open access: yesInternational Journal of Electrochemical Science, 2011
This research studied the behavior of NiCrFeNbMoTiAl metallic coating under corrosive attack by molten salts 80% Na2SO4 – 20%V2O5 and 80%K2SO4 – 20%V2O5 deposited by non-transfer arc plasma-assisted thermal spraying (APS) at a temperature of 700ºC ...
J.L. Tristancho-Reyes   +6 more
doaj   +1 more source

Tema 9. Corrosión en suelos [PDF]

open access: yes, 2008
Resumen del tema 9.
Gómez, Roberto, Lana Villarreal, Teresa
core  

Microestructura y resistencia a la corrosión de nitruros de cromo obtenidos por nitruración gaseosa al vacío de cromo electrolítico depositado sobre acero AISI H13. [PDF]

open access: yes, 2013
En este artículo se caracteriza la microestructura y se evalúa la resistencia a la corrosión de nitruros de cromo obtenidos a partir de un tratamiento dúplex constituido por un recubrimiento electrolítico de cromo aplicado sobre un acero AISIH13 ...
Cifuentes, H., Olaya, J. J.
core   +2 more sources

Raman Spectroscopic Identification of Oxide Phases in a Corroded MgO–Steel Composite Anode Used in Aluminum Molten Salt Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Micro‐Raman spectroscopy is applied to characterize corrosion products in a recycled‐based MgO–316L steel composite anode after molten salt electrolysis. A depth‐dependent Fe–O/Fe–Al–O layer sequence of magnetite, hercynite, and an Al‐doped magnetite transition zone is identified.
Felix Drechsler   +9 more
wiley   +1 more source

Estudio de las propiedades mecánicas de armaduras corroídas cuando se modifica la velocidad de deformación [PDF]

open access: yes, 2016
Estudio de la evolución de las propiedades mecánicas del acero en función de su nivel de corrosión y de la velocidad de ...
Cobo Escamilla, Alfonso   +2 more
core  

Resistance Rapid Heating of Aluminum Coatings in an Extreme High Vacuum–Adequate Atmosphere for Hot Stamping

open access: yesAdvanced Engineering Materials, EarlyView.
The subject of this work is the development of a corrosion‐protective coating on steel sheets for form hardening. Rapid heating in an extreme high vacuum (XHV)‐adequate atmosphere is a useful method to prevent oxidation during alloying of 22MnB5 and aluminum to obtain a metallurgical bonding.
Lorenz Albracht   +5 more
wiley   +1 more source

Influencia del Porcentaje de SiCp en el Comportamiento a la Corrosión de la Aleación AA6061 Obtenida por Compactación Isostática [PDF]

open access: yes, 2008
Se ha estudiado el comportamiento a la corrosión de materiales compuestos A6061/SiCp obtenidos por compactación isostática y extrusión en caliente de polvos mediante ensayos de polarización cíclica.
García Cambronero, Luis Enrique   +5 more
core  

Interaction of MgO Recyclate‐Based Cermet Anode With KF‐AlF3‐Al2O3 at 800°C During Laboratory Scale Aluminum Molten Salt Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
A carbon‐free, as‐sintered MgO–steel cermet anode, fabricated via cold isostatic pressing using MgO–C refractory recyclate, was evaluated under laboratory‐scale K‐cryolite electrolysis at 800°C. Operation at this reduced temperature, combined with the electrolyte's limited electrical conductivity, led to an increase in cell voltage.
Farhan Hossain   +7 more
wiley   +1 more source

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