Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (7/7 displayed)

  • 2024Multifunctional Applications Enabled by Fluorination of Hexagonal Boron Nitride5citations
  • 2024Multifunctional Applications Enabled by Fluorination of Hexagonal Boron Nitride.citations
  • 2021Nanoscale early oxidation mechanisms of model FeCrNi austenitic stainless steel surfaces at room temperature18citations
  • 2020Passivation-Induced Cr and Mo Enrichments of 316L Stainless Steel Surfaces and Effects of Controlled Pre-Oxidationcitations
  • 2020Passivation mechanisms and pre-oxidation effects on model surfaces of FeCrNi austenitic stainless steel57citations
  • 2019Origin of nanoscale heterogeneity in the surface oxide film protecting stainless steel against corrosion72citations
  • 2018New insight on early oxidation stages of austenitic stainless steel from in situ XPS analysis on single-crystalline Fe–18Cr–13Ni88citations

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Meiyazhagan, Ashokkumar
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Park, Chul
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Swaminathan, Venkataraman
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Salpelar, Devashih
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Gao, Guanhui
2 / 7 shared
Serles, Peter
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Colas, Guillaume
2 / 19 shared
Vajtai, Robert
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Yadav, Shwetank
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Veer Singh, Chandra
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Hamidinejad, Mahdi
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Singh, Chandra Veer
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Salpekar, Devashish
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Marcus, Philippe
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Maurice, Vincent
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Lynch, Benjamin
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Wiame, Frédéric
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Paschalidou, Eirini-Maria
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Pascalidou, Eirini-Maria
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Co-Authors (by relevance)

  • Meiyazhagan, Ashokkumar
  • Park, Chul
  • Swaminathan, Venkataraman
  • Salpelar, Devashih
  • Gao, Guanhui
  • Serles, Peter
  • Colas, Guillaume
  • Vajtai, Robert
  • Yadav, Shwetank
  • Veer Singh, Chandra
  • Filleter, Tobin
  • Hamidinejad, Mahdi
  • Khabashesku, Valery N.
  • Ajayan, Pulickel M.
  • Singh, Chandra Veer
  • Salpekar, Devashish
  • Marcus, Philippe
  • Maurice, Vincent
  • Lynch, Benjamin
  • Wiame, Frédéric
  • Paschalidou, Eirini-Maria
  • Wang, Zuocheng
  • Pascalidou, Eirini-Maria
  • Zanna, Sandrine
OrganizationsLocationPeople

article

Passivation-Induced Cr and Mo Enrichments of 316L Stainless Steel Surfaces and Effects of Controlled Pre-Oxidation

  • Paschalidou, Eirini-Maria
  • Marcus, Philippe
  • Maurice, Vincent
  • Ma, Li
  • Lynch, Benjamin
  • Wang, Zuocheng
  • Wiame, Frédéric
Abstract

Passivation mechanisms and the effects of controlled pre-oxidation, by exposure to oxygen at ultra-low pressure, on Cr and Mo surface enrichments were investigated on polycrystalline AISI 316L stainless steel surfaces with direct transfer between surface preparation and analysis by X-ray photoelectron spectroscopy and electrochemistry. Exposure to sulfuric acid at open circuit potential causes preferential dissolution of oxidized iron species, which promotes Cr3+ and Mo4+/6+ enrichments. Anodic passivation forces oxide film re-growth and Cr3+ dehydroxylation with no loss of Mo4+/6+ pre-enrichment. Ultra-low pressure preoxidation promotes Mo4+/6+ enrichment in the exchange outer hydroxide layer of the passive film, with no Mo0 depletion in the modified alloy region underneath the oxide film at open circuit potential, and under anodic passivation. Mo4+/6+ enrichment improves protectiveness against transient active dissolution during the active/passive transition.

Topics
  • surface
  • stainless steel
  • x-ray photoelectron spectroscopy
  • Oxygen
  • mass spectrometry
  • iron