693.932 PEOPLE
| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ronkainen, Helena
VTT Technical Research Centre of Finland
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (74/74 displayed)
- 2024Durability and Functionality of Conventional Polymeric Packaging Materials in Reusable Packaging Systems
- 2024Analysis of rolling contact and tooth root bending fatigue in a new high-strength steel:Experiments and micromechanical modellingcitations
- 2024Analysis of rolling contact and tooth root bending fatigue in a new high-strength steel: Experiments and micromechanical modellingcitations
- 2023History of Tribology in Finland 1881–2023 and the Finnish Society for Tribology 1977-2023citations
- 2023History of Tribology in Finland 1881 – 2023 and the Finnish Society for Tribology 1977 - 2023citations
- 2021Micromechanical performance of high-density polyethylene:experimental and modeling approaches for HDPE and its alumina-nanocompositescitations
- 2021Micromechanical performance of high-density polyethylenecitations
- 2020Tribological performance of high density polyethylene (HDPE) composites with low nanofiller loadingcitations
- 2020Tribocorrosion behaviour of thermally sprayed cermet coatings in paper machine environmentcitations
- 2020Scratch resistance of PEG-impregnated green wood : a method for evaluation of swollen wood propertiescitations
- 2020Scratch resistance of PEG-impregnated green wood: a method for evaluation of swollen wood propertiescitations
- 2019Matrix morphology and the particle dispersion in HDPE nanocomposites with enhanced wear resistancecitations
- 2019Fabrication of ultrathin multilayered superomniphobic nanocoatings by liquid flame spray, atomic layer deposition, and silanizationcitations
- 2019Tribocorrosion behaviour of non-passivating alloys
- 2019Durable and light weight polymer composites for extreme wear conditions - Abrasive wear and scratch resistance of polymer composites
- 2019Wear of additively manufactured tool steel in contact with aluminium alloycitations
- 2019Tribocorrosion behaviour of non-passivating alloys:case examples and approaches to wear-corrosion synergy determination
- 2018Characterization of DLC-Coated and Uncoated Surfaces by New Directional Blanket Curvature Covering (DBCC) Methodcitations
- 2018Insights into the behaviour of tool steel-aluminium alloy tribopair at different temperaturescitations
- 2018Fabrication of ultrathin multilayered superomniphobic nanocoatings by liquid flame spray, atomic layer deposition, and silanizationcitations
- 2018Fabrication of ultrathin multilayered superomniphobic nanocoatings by liquid flame spray, atomic layer deposition, and silanizationcitations
- 2018Comparison of mechanical properties and composition of magnetron sputter and plasma enhanced atomic layer deposition aluminum nitride filmscitations
- 2018Comparison of mechanical properties and composition of magnetron sputter and plasma enhanced atomic layer deposition aluminum nitride filmscitations
- 2018Comparison of mechanical properties and composition of magnetron sputter and plasma enhanced atomic layer deposition aluminum nitride filmscitations
- 2018Tribological properties of thin films made by atomic layer deposition sliding against siliconcitations
- 2017Topographical orientation effects on surface stresses influencing on wear in sliding DLC contacts, Part 2citations
- 2017Topographical orientation effects on surface stresses influencing on wear in sliding DLC contacts, Part 2:Modelling and simulationscitations
- 2017Multiscale characterisation of 3D surface topography of DLC coated and uncoated surfaces by directional blanket covering (DBC) methodcitations
- 2016Tribocorrosion study of martensitic and austenitic stainless steels in 0.01 M NaCl solutioncitations
- 2016Microscratch testing method for systematic evaluation of the adhesion of atomic layer deposited thin films on siliconcitations
- 2016An investigation into the effect of substrate on the load-bearing capacity of thin hard coatingscitations
- 2015Topographical orientation effects on friction and wear in sliding DLC and steel contacts:Part 1: Experimentalcitations
- 2015Topographical orientation effects on friction and wear in sliding DLC and steel contactscitations
- 2014Aluminum oxide from trimethylaluminum and water by atomic layer deposition:The temperature dependence of residual stress, elastic modulus, hardness and adhesioncitations
- 2014Microstructural, mechanical and tribological analysis of nanocomposite Ti-C-N coatings deposited by industrial-scale DC magnetron sputteringcitations
- 2013Tribological behaviour of carbon thin films against bearing steel under continuous sliding in hydrogen environment
- 2013Materials for electronics by thermal sprayingcitations
- 2013ALD Al2O3 from TMA and water on Si: residual stress, elastic modulus, hardness and adhesion:residual stress, elastic modulus, hardness and adhesion
- 2013Miniature plasma sprayed strain gauges for torque sensingcitations
- 2013ALD Al2O3 from TMA and water on Si: residual stress, elastic modulus, hardness and adhesion
- 2012Adhesion performance and tribological properties of atomic layer deposited aluminum oxide films
- 2012Static-to-sliding friction measurements
- 2012The effect of coating characteristics on the coating performance of a-C:H and ta-C films
- 2012The effect of coating properties on the performance of a-C:H and ta-C films
- 2011Cohesive zone modeling of initiation and propagation of multiple cracks in hard thin surface coatingscitations
- 2009Computer modelling and simulation approach to developing wear resistant materials
- 2009Residual stresses in TiN, DLC and MoS2 coated surfaces with regard to their tribological fracture behaviourcitations
- 2009Twin disc micropitting testscitations
- 2008Tribological analysis of TiN and DLC coated contacts by 3D FEM modelling and stress simulationcitations
- 2007Friction in a coated surface deformed by a sliding spherecitations
- 2006Tribological contact analysis of a rigid ball sliding on a hard coated surface. Part I:Modelling stresses and strainscitations
- 2006Coated surface design by modelling and simulation
- 2006Tribological contact analysis of a rigid ball sliding on a hard coated surface:Part III: Fracture toughness calculation and influence of residual stressescitations
- 2006Tribological contact analysis of a rigid ball sliding on a hard coated surface:Part II: Material deformations, influence of coating thickness and Young's moduluscitations
- 2006Tribological contact analysis of a rigid ball sliding on a hard coated surface. Part Icitations
- 2006Tribological contact analysis of a rigid ball sliding on a hard coated surfacecitations
- 2006Tribological contact analysis of a rigid ball sliding on a hard coated surfacecitations
- 2006Tribological analysis of TiN and DLC coated contacts by 3D FEM stress modeling and fracture toughness determination
- 2005Optimizing coated contacts by 3D FEW modelling and fracture toughness determination
- 2005Tribological analysis of fracture conditions in thin surface coatings by 3D FEM modelling and stress simulationscitations
- 2003A certified reference material for the scratch testcitations
- 2003A certified reference material for the scratch testcitations
- 2003Fracture mechanical evaluation of a thin film scratch test by use of numerical contact analysis
- 2001Low friction Ta-C films with hydrogen reservoirscitations
- 2001Differentiating the tribological performance of hydrogenated and hydrogen-free DLC coatingscitations
- 2001Tribological properties of hydrogenated and hydrogen-free diamond-like carbon coatings
- 2001Scratch adhesion testing of coated surfaces
- 2001Tribological properties of plasma nitrided and hard coated AISI 4140 steelcitations
- 2001Tribological performance of different DLC coatings in water-lubricated conditionscitations
- 2001Tribological properties of hydrogenated and hydrogen-free diamond-like carbon coatings:Dissertation
- 2000Tribological Characteristics of Duplex Treated AISI 4140 Steelcitations
- 2000Tribology of thin coatingscitations
- 2000Friction and wear properties of DLC-coated plasma nitrided steel in unidirectional and reciprocating slidingcitations
- 2000Wear resistance of DLC coating deposited on pretreated AISI 4140 steel
Places of action
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article
Tribological performance of high density polyethylene (HDPE) composites with low nanofiller loading
Abstract
High density polyethylene (HDPE) nanocomposites were prepared by melt mixing of the polymer with 0.5–1.0 wt-% hydrophobic surface treated fumed silica and titanium nitride (TiN) nanopowders, fiber-shaped halloysite nanotubes (HNT), and graphene oxide (GO) nanoplatelets in the presence of trace amount of organic peroxide. Surface treatments of the nanofillers with hydrophobic vinyltrimethoxy silane (VTMS) were accomplished in boiling toluene solvents and in the case of fumed silica, most feasibly in ethanol solvent. Sliding friction and wear of the nanocomposites were characterized by pin-on-disk (POD) test against polished bearing steel disc. Microstructures of the nanocomposites, and the wear surfaces were characterized by scanning electron microscopy (SEM). Microindentation experiments were carried out to measure the surface hardness, elasticity and the plastic and elastic work of indentation. VTMS surface coverage was highest on fumed silica and GO powders, which also correlated with the most homogeneous and fine filler dispersion in HDPE polymer, and showed the best performance of the nanocomposites in the POD test. In all cases, the addition of silane treated nanopowders reduced the sliding wear of the HDPE against polished steel counter surface. Moreover, deviation of the wear rate data between parallel measurements was greatly reduced by the nanofiller addition indicating homogenous structure. The coefficient of friction (COF) of the neat polymer was reduced only in the case of TiN filler. Inverse linear trend was found between the specific wear rate of the nanocomposites and a parameter derived from micro-indentation data (H IT *total work of indentation) −1 , which is formally similar to the well-known Ratner-Lancaster correlation.