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<identifier identifierType='DOI'>10.3389/fchem.2019.00241</identifier>
<creators>
<creator>
<creatorName>Nicolenco, A.V.</creatorName>
<affiliation>Universitatea din Vilnius, Lituania</affiliation>
</creator>
<creator>
<creatorName>Mulone, A.</creatorName>
<affiliation>Chalmers Univesity of Technology, Suedia</affiliation>
</creator>
<creator>
<creatorName>Imaz, N.</creatorName>
<affiliation>Centro de Investigacion Tecnológica En Electroquimica, Spania</affiliation>
</creator>
<creator>
<creatorName>Ţînţaru, N.I.</creatorName>
<affiliation>Universitatea din Vilnius, Lituania</affiliation>
</creator>
<creator>
<creatorName>Sort, J.</creatorName>
<affiliation>Universitatea din Barcelona, Spania</affiliation>
</creator>
<creator>
<creatorName>Pellicer, E.</creatorName>
<affiliation>Institució Catalana de Recerca i Estudis Avançats (ICREA), Spania</affiliation>
</creator>
<creator>
<creatorName>Klement, U.</creatorName>
<affiliation>Chalmers Univesity of Technology, Suedia</affiliation>
</creator>
<creator>
<creatorName>Cesiulis, H.</creatorName>
<affiliation>Universitatea din Vilnius, Lituania</affiliation>
</creator>
<creator>
<creatorName>Garcia-Lecina, E.</creatorName>
<affiliation>Centro de Investigacion Tecnológica En Electroquimica, Spania</affiliation>
</creator>
</creators>
<titles>
<title xml:lang='en'>Nanocrystalline electrodeposited Fe-W/Al 2 O 3 Composites: Effect of Alumina Sub-microparticles on the Mechanical, Tribological, and Corrosion Properties</title>
</titles>
<publisher>Instrumentul Bibliometric National</publisher>
<publicationYear>2019</publicationYear>
<relatedIdentifier relatedIdentifierType='ISSN' relationType='IsPartOf'>2296-2646</relatedIdentifier>
<subjects>
<subject>Alumina</subject>
<subject>Columnar growth</subject>
<subject>Composite coatings</subject>
<subject>Iron alloys</subject>
<subject>wear resistance</subject>
</subjects>
<dates>
<date dateType='Issued'>2019-03-01</date>
</dates>
<resourceType resourceTypeGeneral='Text'>Journal article</resourceType>
<descriptions>
<description xml:lang='en' descriptionType='Abstract'><p>In this study, nanocrystalline Fe-W alloy and Fe-W/Al <sub>2</sub> O <sub>3</sub> composite coatings with various contents of sub-microsized alumina particles have been obtained by electrodeposition from an environmentally friendly Fe(III)-based electrolyte with the aim to produce a novel corrosion and wear resistant material. The increase in volume fraction of Al <sub>2</sub> O <sub>3</sub> in deposits from 2 to 12% leads to the grain refinement effect, so that the structure of the coatings change from nanocrystalline to amorphous-like with grain sizes below 20 nm. Nevertheless, the addition of particles to the Fe-W matrix does not prevent the development of a columnar structure revealed for all the types of studied coatings. The observed reduction in both hardness and elastic modulus of the Fe-W/Al <sub>2</sub> O <sub>3</sub> composites is attributed to the apparent grain size refinement/amorphization and the nanoporosity surrounding the embedded Al <sub>2</sub> O <sub>3</sub> particles. In the presence of 12 vol% of Al <sub>2</sub> O <sub>3</sub> in deposits, the wear rate decreases by a factor of 10 as compared to Fe-W alloy tested under dry friction conditions due to the lowering of tribo-oxidation. The addition of alumina particles slightly increases the corrosion resistance of the coatings; however, the corrosion in neutral chloride solution occurs through the preferential dissolution of Fe from the matrix. The obtained results provide a possibility to integrate the nanocrystalline Fe-W/Al <sub>2</sub> O <sub>3</sub> composite coatings into various systems working under dry friction conditions, for example, in high-temperature vacuum systems.</p></description>
</descriptions>
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