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Orlov, Dmytro
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Topics
Publications (41/41 displayed)
- 2024Corrosion Rates by Immersion and Calorimetry on the Example of Extruded Mg10Gd(1Nd)1La
- 2022High-temperature oxidation behaviour of nanostructure surface layered austenitic stainless steelcitations
- 2022Mechanics of accelerated strain hardening in harmonic-structure materialscitations
- 2022Mechanics of accelerated strain hardening in harmonic-structure materialscitations
- 2022Oxygen-sensitive nanoparticles reveal the spatiotemporal dynamics of oxygen reduction during magnesium implant biodegradationcitations
- 2022Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioningcitations
- 2022Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioningcitations
- 2022Harmonic structure, a promising microstructure designcitations
- 2021Multimodal ex vivo methods reveal that Gd-rich corrosion byproducts remain at the implant site of biodegradable Mg-Gd screwscitations
- 2021Non-monotonic evolution of surface roughness in a stainless steel during cold deformationcitations
- 2021Operando Reflectance Microscopy on Polycrystalline Surfaces in Thermal Catalysis, Electrocatalysis, and Corrosioncitations
- 2021Enhancing the Mechanical Properties of Biodegradable Mg Alloys Processed by Warm HPT and Thermal Treatmentscitations
- 2021Evolution of gradient structured layer on AZ91D magnesium alloy and its corrosion behaviourcitations
- 2020The effects of severe plastic deformation and/or thermal treatment on the mechanical properties of biodegradable mg-alloyscitations
- 2020Nanotomographic evaluation of precipitate structure evolution in a Mg–Zn–Zr alloy during plastic deformationcitations
- 2020Critical Assesment 37: Harmonic-structure materials - idea, status and perspectivescitations
- 2020Advanced Immersion Testing of Model Mg-Alloys for Biomedical Applicationscitations
- 2019Advantages of architectured harmonic structure in structural performancecitations
- 2019Effect of Alloying with Rare-Earth Metals on the Degradation of Magnesium Alloys Studied Using a Combination of Isothermal Calorimetry and Pressure Measurementscitations
- 2018Adding dimensions to the immersion testing of magnesium corrosioncitations
- 2018Strengthening of a biodegradable Mg–Zn–Ca alloy ZX50 after processing by HPT and heat treatmentcitations
- 2017Microstructure, crystallographic texture and mechanical behaviour of friction stir processed Mg-Zn-Ca-Zr alloy ZKX50citations
- 2014Asymmetric Rolling of Interstitial-Free Steel Using Differential Roll Diameters. Part II: Microstructure and Annealing Effectscitations
- 2014Improvement of mechanical properties in SUS304L steel through the control of bimodal microstructure characteristicscitations
- 2014Particle evolution in Mg-Zn-Zr alloy processed by integrated extrusion and equal channel angular pressingcitations
- 2013Effect of grain size on the mechanisms of plastic deformation in wrought Mg-Zn-Zr alloy revealed by acoustic emission measurementscitations
- 2013Asymmetric Rolling of Interstitial-Free Steel Using Differential Roll Diameters. Part I: Mechanical Properties and Deformation Texturescitations
- 2012Asymmetric rolling of interstitial-free steel using one idle rollcitations
- 2012Improvement of fatigue strength of a Mg-Zn-Zr alloy by integrated extrusion and equal-channel angular pressingcitations
- 2012Analysis of texture and R value variations in asymmetric rolling of if steelcitations
- 2012Development of Asymmetric Rolling for the Better Control over Structure and Mechanical Properties in IF Steelcitations
- 2011The control of texture to improve high-cyclic fatigue performance in copper after equal channel angular pressingcitations
- 2011Enhanced corrosion resistance of Mg alloy ZK60 after processing by integrated extrusion and equal channel angular pressingcitations
- 2010Severe plastic deformation processes for thin samplescitations
- 2009Useful properties of twist extrusioncitations
- 2007Grain refinement response during twist extrusion of an Al-0.13 % Mg alloycitations
- 2005Refinement of microstructure and mechanical properties of titanium processed by twist extrusion and subsequent rolling
- 2005Refinement of microstructure and mechanical properties of titanium processed by twist extrusion and subsequent rolling
- 2004Microstructure, mechanical properties and anysotropy of pure ti processed by twist extrusion and cold rolling
- 2004Destabilization of fcc stable materials during SPD under high pressure
- 2002Microstructural evolution of titanium under twist extrusion
Places of action
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conferencepaper
Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioning
Abstract
Materials with bimodal grain size distributions have an attractive combination of strength and ductility. Harmonic structure materials are a category of bimodal-structure materials with a specific microstructure design. The deformation mechanisms of such novel materials during the early stages of deformation are not well understood. Thus, we deformed nickel with harmonic structure in tension until a true strain of 0.04 while recording powder diffraction patterns with high-energy synchrotron X-rays. Line profile analysis based on such data enables quantification of stress states and lattice defect densities in different phases in multi-phase materials. Bimodal size distributions in single-phase materials add extra complexity due to the absence of differences in composition and crystal structure causing the diffraction peaks from fine and coarse grains to appear at the same diffraction angles. Therefore, prior to any meaningful line profile analysis, the respective diffraction profiles need to be separated. A general method for automatically separating profiles originating from different grain fractions in bimodal materials is presented in this work.