Correlation between the wear resistance, and the scratch resistance, for nanocomposite coatings

Bautista, Y.; González, J.J.; Gilabert, J.; Ibáñez, María Azucena Penas; Sanz, V.

doi:10.1016/j.porgcoat.2010.09.022

Cited by 55 publications

(27 citation statements)

References 4 publications

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“…Nano-additives can be used in many different ways; as layered nanomaterials (graphene, clays or layered hydroxides), metal oxides (silica, ceria or titania), or as nanocontainers containing active corrosion inhibitors which are released in response to a stimuli. Previous work has shown that the use of nano-additives can aid corrosion protection as well as lead to more durable coatings [13,14], with improved mechanical and barrier properties [15][16][17][18][19][20][21][22][23][24], scratch resistance and a lower tendency for blistering and delamination [20,25,26].…”

Section: Introductionmentioning

confidence: 99%

Influence of silica nanoparticles on corrosion resistance of sol-gel based coatings on mild steel

Mora

Naik

Paul

et al. 2017

Surface and Coatings Technology

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Abstract:For this study, unfunctionalised and functionalised nanoparticles of silica (SiO2) were incorporated into a sol-gel based matrix in an effort to provide more effective corrosion protection on a mild steel substrate. Tests such as atomic force microscopy (AFM) and white light interferometry (WLI) were carried out to characterise coating microstructure and properties. Corrosion protection and coating durability was investigated using differe nt methods which included electrochemical impedance spectroscopy (EIS) and accelerated salt spray testing to simulate a marine environment. Electrochemical test results as well as results after exposure in the neutral salt spray test indicated that the addition of silica nanoparticles led to an improvement in corrosion resistance of the coating matrix. The most effective performance was observed when the nanoparticles were functiona lised. Nanoparticle functionalisation helped to avoid agglomeration during incorporation leading to a more unifo r m nanoparticle distribution within the coating formulation and an improvement of the coating's ability to protect against corrosion.2 Highlights:-The influence of silica (SiO2) nanoparticle incorporation in a sol-gel based coating was studied -SiO2 particle surface treatment improved coating homogeneity and prevented cracking propagation -Corrosion resistance improved with functionalised SiO2 nanoparticles

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Section: Introductionmentioning

confidence: 99%

Influence of silica nanoparticles on corrosion resistance of sol-gel based coatings on mild steel

Mora

Naik

Paul

et al. 2017

Surface and Coatings Technology

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“…Surface roughness also influences the friction as well as wear performance of a mechanical system like sleeves used in bearings. It has also been shown from the literature on hard coatings that the rougher the surface finish, the lower will be the coating adhesion and wear resistance [1]. All morphologies exhibited domes and craters which are uniformly distributed over the entire surface.…”

Section: Effect Of Surface Roughnessmentioning

confidence: 91%

“…The grain size of the thin films was estimated from Scherrer formula, as given in Eq. (1). In this expression, the grain size D is along the surface normal direction, which is also the direction of the XRD diffraction vector.…”

Section: X-ray Diffractionmentioning

confidence: 99%

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Scratch Wear Resistance of TiALN And AlCrN Coated EN-353 Steel

Azad¹,

VR²

2016

J Material Sci Eng

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TiAlN and AlCrN coatings were deposited on mild steel (EN 353 steel) by cathodic arc evaporation technique. Coefficients of friction, critical load, adhesive and cohesive properties of these coatings were studied using scratch tester. Failure mode for coatings with thickness of 2 and 4 µm were studied using scratch channels and acoustic activities as basis. Studies presented relationship between progressive and in situ emission signals. AlCrN coating exhibited higher critical load as determined by the acoustic emission signal. Additionally wear mechanisms were analyzed. Analysis of the experimental results showed that load carrying capacity of AlCrN coating is better than TiAlN coating. Scratch wear test of AlCrN coated substrates showed reduction in cracking and spalling of coated layers.

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“…micron size scratches, to very large up to a millimeter width. Mar is referred to those mechanical damages with small size, a few microns in width and depth, produced typically by automatic car wash brushes, hand washing and sand abrading particles (Courter and Mar 1997;Jardret et al 2000;Hara et al 2000;Barletta et al 2010;Bautista et al 2011). In fact, the cause of mar is a slight mechanical stress which is not easily visible with human eyes.…”

Section: Scratch and Mar Resistance Of The Polymeric Materialsmentioning

confidence: 99%

Nanotribological Characterization of Polymeric Nanocoatings: From Fundamental to Application

Mohseni

Yahyaei

Yari

et al. 2013

Solid Mechanics and Its Applications

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Polymers are chemical compounds or mixture of compounds consisting of repeating structural units created through a process known polymerization. These are important groups of materials made up of long chain carbon, covalently bonded together. Polymerization is a process in which monomeric molecules react together chemically to form macromolecules. Polymers are now finding increasing use in engineering applications due to unique properties. Mechanical strength of polymers is of prime importance in engineering applications. Polymers in their service life are exposed to different mechanical and thermal stresses. Durability of polymer strongly depends on the resistance of these materials against environmental condition. In order to assess the strength of material, good knowledge on mechanic of materials is imperative. In this manner, this section aims at introducing mechanical properties of polymers.

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Correlation between the wear resistance, and the scratch resistance, for nanocomposite coatings

Cited by 55 publications

References 4 publications

Influence of silica nanoparticles on corrosion resistance of sol-gel based coatings on mild steel

Influence of silica nanoparticles on corrosion resistance of sol-gel based coatings on mild steel

Scratch Wear Resistance of TiALN And AlCrN Coated EN-353 Steel

Nanotribological Characterization of Polymeric Nanocoatings: From Fundamental to Application

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