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Koivuluoto, Heli
Tampere University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (58/58 displayed)
- 2024Round-Robin Study for Ice Adhesion Testscitations
- 2024Direct and Indirect Cavitation-Erosion Assessment of Cold Sprayed Aluminum Alloy/Quasicrystals Composite Coatings
- 2024Investigating Impact-Induced Deformation in Cold-Sprayed Aluminum-Quasicrystals Composite Coatings
- 2024A Comparative Study on Wear Resistance of Cold-Sprayed Aluminum/Quasicrystal Composite Coatingscitations
- 2023Local wear resistance of Inconel 625 coatings processed by different thermal techniquescitations
- 2023Cold sprayed Aluminum-Quasicrystal Composite Coating: Bonding Mechanism Evaluation by SEM and TEM
- 2023Local wear resistance of Inconel 625 coatings processed by different thermal techniques : A comparative studycitations
- 2023Tribological Assessment of Cold Sprayed Aluminum-Quasicrystal Composite Coatingscitations
- 2023Wetting Behavior and Functionality Restoration of Cold-Sprayed Aluminum-Quasicrystalline Composite Coatingscitations
- 2022Electrochemical Corrosion Characterization of Submicron WC-12Co Coatings Produced by CGS and HVAF Compared with Sintered Bulkscitations
- 2022Electrochemical Corrosion Characterization of Submicron WC-12Co Coatings Produced by CGS and HVAF Compared with Sintered Bulkscitations
- 2022Microstructure and Wetting Performance of High-Pressure Cold Sprayed Quasi-Crystalline Composite Coatings
- 2022Investigating Impact-Induced Deformation in Cold-Sprayed Aluminum-Quasicrystals Composite Coatings
- 2020A study of Cr3C2-based HVOF- and HVAF-sprayed coatingscitations
- 2020Cold gas spraying of a high-entropy CrFeNiMn equiatomic alloycitations
- 2020Lubricated icephobic coatings prepared by flame spraying with hybrid feedstock injectioncitations
- 2019Icephobic Behaviour and Thermal Stability of Flame-Sprayed Polyethylene Coating : The Effect of Process Parameterscitations
- 2019Effect of Laser Texturing of Substrate Surface on Coating Properties of Cold-Sprayed and Laser-Assisted Cold-Sprayed Aluminum Coatings
- 2019Effect of Process Parameters on Properties of Flame-Sprayed Icephobic Polymer Coatings
- 2019Characterization of Powder-Precursor HVOF-Sprayed Al2O3-YSZ/ZrO2 Coatingscitations
- 2019Icephobic Behaviour and Thermal Stability of Flame-Sprayed Polyethylene Coatingcitations
- 2019Chlorine induced high-temperature corrosion mechanisms in HVOF and HVAF sprayed Cr3C2-based hardmetal coatingscitations
- 2018Evaluating the toughness of APS and HVOF-sprayed Al2O3-ZrO2-coatings by in-situ- and macroscopic bendingcitations
- 2018Characterization of powder-precursor HVOF-sprayed Al2O3-ZrO2 coatings
- 2018High Speed Slurry-Pot Erosion Wear Testing of HVOF and HVAF Sprayed Hardmetal Coatings
- 2018Slurry and dry particle erosion wear properties of WC-10Co4Cr and Cr3C2-25NiCr hardmetal coatings deposited by HVOF and HVAF spray processes
- 2018Arc-sprayed Fe-based coatings from coredwires for wear and corrosion protection in power engineeringcitations
- 2018Chlorine-Induced High Temperature Corrosion of Inconel 625 Sprayed Coatings Deposited with Different Thermal Spray Techniquescitations
- 2018High Temperature Corrosion and Erosion Properties of Thermally Sprayed Ceramic Oxide Coatings
- 2018Effect of Carbide Dissolution on Chlorine Induced High Temperature Corrosion of HVOF and HVAF Sprayed Cr3C2-NiCrMoNb Coatingscitations
- 2018High temperature corrosion properties of thermally sprayed ceramic oxide coatings
- 2018Wear resistance of HVAF-sprayed hardmetal coatings
- 2018Properties and Performance of Cold-Sprayed and Laser-Assisted Cold-Sprayed Aluminum Coatings
- 2017Properties of arc-sprayed coatings from Fe-based cored wires for high-temperature applications
- 2017Effect of Nozzle Geometry on the Microstructure and Properties of HVAF Sprayed Hard Metal Coatings
- 2017Effect of Carbide Dissolution in the Metal Matrix of HVOF and HVAF Sprayed Cr3C2-NiCrMoNb Coatings on the Initial Stage of Chlorine High Temperature Corrosion
- 2017Chlorine-Induced High Temperature Corrosion of Inconel 625 Sprayed Coatings Deposited with Different Thermal Spray Techniquescitations
- 2017A Study of Cr3C2-Based HVOF- and HVAF-Sprayed Coatingscitations
- 2017Cavitation erosion, slurry erosion and solid particle erosion performance of metal matrix composite (MMC) coatings sprayed with modern high velocity thermal spray processes
- 2017Sliding wear behaviour of HVOF and HVAF sprayed Cr3C2-based coatingscitations
- 2016Electron Microscopic Characterization of Thermally-Sprayed Cr3C2-37WC-18-NiCoCrFe Coating
- 2016Microstructure and Sliding Wear Behavior of Fe-Based Coatings Manufactured with HVOF and HVAF Thermal Spray Processescitations
- 2016Characterization of High-Velocity Single Particle Impacts on Plasma-Sprayed Ceramic Coatingscitations
- 2016Sliding and abrasive wear behaviour of HVOF- and HVAF-sprayed Cr3C2-NiCr hardmetal coatingscitations
- 2015Microstructural Characteristics Of Different Cr3C2 Coating Compositions Sprayed with HVAF Process
- 2015Research on icing behavior and ice adhesion testing of icephobic surfaces
- 2015Tribology of HVOF- and HVAF-sprayed WC-10Co4Cr hardmetal coatings: A comparative assessmentcitations
- 2015Wear and Corrosion Resistance of High-Velocity Oxygen-Fuel Sprayed Iron-Based Composite Coatings
- 2015Advanced coatings by novel high-kinetic thermal spray processes
- 2015Microstructural analysis of high-pressure cold-sprayed Ni, NiCu and NiCu + Al2O3 coatingscitations
- 2015Microstructure-based thermo-mechanical modelling of thermal spray coatingscitations
- 2015Effect of spraying parameters on the microstructural and corrosion properties of HVAF-sprayed Fe-Cr-Ni-B-C coatingscitations
- 2015Tribology of HVOF- and HVAF-sprayed WC-10Co4Cr hardmetal coatingscitations
- 2012Wear and corrosion behaviour of HVOF coatings engineered from conventional WC-Co-Cr and conventional WC-Co-Cr added nanostructured Wc-Co powders
- 2011Manganese-cobalt spinel coatings for SOFC metallic interconnects manufactured by conventional plasma spraying (PS) and suspension plasma spraying (SPS)citations
- 2010Microstructural characteristics and corrosion properties of cold-sprayed coatings
- 2008Microstructure and mechanical properties of low-pressure cold-sprayed (LPCS) coatingscitations
- 2007Microstructural studies of cold sprayed copper, nickel, and nickel-30% copper coatingscitations
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article
Microstructure-based thermo-mechanical modelling of thermal spray coatings
Abstract
This paper demonstrates how microstructure-based finite element (FE) modelling can be used to interpret and predict the thermo-mechanical behaviour of thermal spray coatings. Validation is obtained by comparison to experimental and/or literature data.Finite element meshes are therefore constructed on SEM micrographs of high velocity oxygen-fuel (HVOF)-sprayed hardmetals (WC-CoCr, WC-FeCrAl) and plasma-sprayed Cr2O3, employed as case studies. Uniaxial tensile tests simulated on high-magnification micrographs return micro-scale elastic modulus values in good agreement with depth-sensing Berkovich micro-indentation measurements. At the macro-scale, simulated and experimental three-point bending tests are also in good agreement, capturing the typical size-dependency of the mechanical properties of these materials. The models also predict the progressive stiffening of porous plasma-sprayed Cr2O3 due to crack closure under compressive loading, in agreement with literature reports.Refined models of hardmetal coatings, accounting for plastic behaviours and failure stresses, predict crack initiation locations as observed by indentation tests, highlighting the relevance of stress concentrations around microstructural defects (e.g. oxide inclusions).Sliding contact simulations between a hardmetal surface and a small spherical asperity reproduce the fundamental processes in tribological pairings. The experimentally observed "wavy" morphologies of actual wear surfaces are therefore explained by a mechanism of micro-scale plastic flow and matrix extrusion.