Search Results - "OLTRA, R"

Effect of microstructure and chemical composition on localized corrosion resistance of a AISI 304L stainless steel after nanopulsed-laser surface melting by Pacquentin, W., Caron, N., Oltra, R.

“…•Laser surface melting treatments require neither additional feedstock nor contact.•By affecting 1μm, the pitting potential of laser treated 304L increases by…”
Get full text

Impact of spatial resolution and satellite overpass time on evaluation of the surface urban heat island effects by Sobrino, J.A., Oltra-Carrió, R., Sòria, G., Bianchi, R., Paganini, M.

“…Surface Urban Heat Island (SUHI) effect is defined as the increased surface temperature in urban areas in contrast to surrounding cooler temperatures in rural…”
Get full text

Surface modifications induced by pulsed-laser texturing-Influence of laser impact on the surface properties by COSTIL, S, LAMRAOUI, A, LANGLADE, C, HEINTZ, O, OLTRA, R

“…Laser cleaning technology provides a safe, environmentally friendly and very cost effective way to improve cleaning and surface preparation of metallic…”
Get full text

Evaluating the sensitivity of clay content prediction to atmospheric effects and degradation of image spatial resolution using Hyperspectral VNIR/SWIR imagery by Gomez, C., Oltra-Carrió, R., Bacha, S., Lagacherie, P., Briottet, X.

“…Visible, near-infrared and short wave infrared (VNIR/SWIR, 0.4-2.5 mu m) hyperspectral satellite imaging is one of the most promising tools for topsoil…”
Get full text

Real-Time Monitoring of Intergranular Corrosion Damage on AA2024 by Oltra, R., Bonzom, R.

“…The total porosity induced by the intergranular corrosion was selected as a monitoring parameter to follow in real-time the defect propagation of AA2024. The…”
Get full text

Influence of mass transport on the competition between corrosion and passivation by inhibitor release after coating breakdown by Oltra, R., Peltier, F.

“…•Inhibition competes with the triggering of localized microstructural corrosion.•Transport in solution of inhibitors imaged using a coated cut-edge…”
Get full text

The anodic and cathodic dissolution of Al and Al–Cu–Mg alloy by Mokaddem, M., Volovitch, P., Rechou, F., Oltra, R., Ogle, K.

“…Atomic emission spectroelectrochemistry (AESEC) was used to monitor the release of Al from 99.99% aluminum (1199 alloy) and Al, Mg, and Cu from 2024 Al alloy…”
Get full text

Investigation of diamond-like carbon coated steel corrosion: Enhancing the optical detection of defects by a controlled electrochemical activation by Maerten, T., Oltra, R., Jaoul, C., Le Niniven, C., Tristant, P., Meunier, F., Jarry, O.

“…It is often reported that DLC thin films have good corrosion properties due to chemical inertness and low electrical conductivity. Nevertheless, the…”
Get full text

Protective mechanisms occurring on zinc coated steel cut-edges in immersion conditions by Thébault, F., Vuillemin, B., Oltra, R., Allely, C., Ogle, K.

“…Electrochemical processes occurring on the cut-edge of a galvanized steel immersed in NaCl solutions were studied using numerical simulations, and in situ…”
Get full text

Modeling bimetallic corrosion under thin electrolyte films by Thébault, F., Vuillemin, B., Oltra, R., Allely, C., Ogle, K.

“…► FEM model to calculate the potential distribution in the electrolyte in the case of bimetallic corrosion. ► Comparison with SVET experiments. ► Evolution of…”
Get full text

Recent advances in local probe techniques in corrosion research – Analysis of the role of stress on pitting sensitivity by Oltra, R., Vignal, V.

“…Local probe techniques have been largely applied to predict the spatial distribution of the electrochemical reactions and to quantify the corrosion rate. These…”
Get full text

Laboratory-scale testing of the anti-corrosion effectiveness of a primer coating on a bare AA2024 surface by Oltra, R., Peltier, F.

“…In this study, the behaviour of a cut‐edge electrode machined from a coated AA2024‐T3 plate, designed for an aircraft structure, has been used to mimic the…”
Get full text

Reliability of numerical models for simulating galvanic corrosion processes by Thébault, F., Vuillemin, B., Oltra, R., Allely, C., Ogle, K.

“…Maturity of numerical simulation represents an important issue in the development of predictive models of galvanic corrosion. As widely used in electrochemical…”
Get full text

The use of local electrochemical probes and surface analysis methods to study the electrochemical behaviour and pitting corrosion of stainless steels by Vignal, V., Krawiec, H., Heintz, O., Oltra, R.

“…In this paper, the electrochemical microcell technique is combined with ex situ (SIMS and XPS) and in situ (SVET) techniques to study the electrochemical…”
Get full text

Land surface emissivity retrieval from airborne sensor over urban areas by Oltra-Carrió, R., Sobrino, J.A., Franch, B., Nerry, F.

“…In this paper we compare three different methodologies to retrieve land surface emissivity (LSE) over urban areas: the NDVI thresholds method, the temperature…”
Get full text

Use of the electrochemical microcell technique and the SVET for monitoring pitting corrosion at MnS inclusions by Krawiec, H, Vignal, V, Oltra, R

“…The purpose of this paper is to report on use of the electrochemical microcell technique and the scanning vibrating electrode technique for monitoring pitting…”
Get full text

Impacts of the broadband albedo on actual evapotranspiration estimated by S-SEBI model over an agricultural area by Mattar, C., Franch, B., Sobrino, J.A., Corbari, C., Jiménez-Muñoz, J.C., Olivera-Guerra, L., Skokovic, D., Sória, G., Oltra-Carriò, R., Julien, Y., Mancini, M.

“…Surface albedo and emissivity are essential variables in surface energy balance. In recent decades, several land surface energy models have used both surface…”
Get full text

Influence of aeration on the localized trenching on aluminium alloys by Oltra, R., Malki, B., Rechou, F.

“…This paper aims to make the difference between alcalinisation and micro-galvanic corrosion in the mechanism of the corrosion of Al alloys. Using a pH…”
Get full text

Influence of the dissolution of MnS inclusions under free corrosion and potentiostatic conditions on the composition of passive films and the electrochemical behaviour of stainless steels by Krawiec, H., Vignal, V., Heintz, O., Oltra, R.

“…The influence of the dissolution of MnS inclusions at the OCP value and 400 mV versus SCE on the chemical composition of passive films and the electrochemical…”
Get full text

A novel methodology to study localized corrosion under atmospheric simulated corrosion conditions: Toward a continuous monitoring of the corrosion damage on AA2024 by Oltra, R., Colard, L., Bonzom, R.

“…There is a need to develop instrumented witness plates which would be possible to expose in natural environments after laboratory validation. In conventional…”
Get full text