Anton Davydok
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View article: Enhancing Fatigue Performance by Tuning of Residual Stresses in Welded Joints through Nanometallic Multilayer
Enhancing Fatigue Performance by Tuning of Residual Stresses in Welded Joints through Nanometallic Multilayer Open
Welded joints suffer from reduced fatigue life due to geometric stress concentrations and metallurgical changes in the heat‐affected zone that promote crack initiation under cyclic loading. This study investigates a novel postweld treatmen…
View article: The Role of GPR39 in Regulating Osteoblast Function, Bone Matrix Quality, and Gender‐Specific Bone Homeostasis
The Role of GPR39 in Regulating Osteoblast Function, Bone Matrix Quality, and Gender‐Specific Bone Homeostasis Open
GPR39, a zinc‐sensing receptor, is essential for bone homeostasis in male mice through regulation of osteoblast function and matrix composition. This study examined the effects of GPR39 deficiency in female mice using both global and osteo…
View article: In-operando characterizations of oligothiophene OFETs: controlling the structure-property relationships at the nanoscale
In-operando characterizations of oligothiophene OFETs: controlling the structure-property relationships at the nanoscale Open
Grazing Incident Wide Angle X-ray Scattering (GIWAXS) studies on organic field-effect transistors (OFETs) fabricated with an aliphatic functionalized α,α'-quinquethiophene (i.e. 5,5′′′′-dihexyl-2,2′:5′,2′′:5′′,2′′′:5′′′,2′′′′-quinquethioph…
View article: Enhancing the high-cycle fatigue strength of Ti-Al-N coated Ti-6Al-4V by residual stress design
Enhancing the high-cycle fatigue strength of Ti-Al-N coated Ti-6Al-4V by residual stress design Open
Physical vapor deposited coatings are widely utilized as surface protection for metal and ceramic components operating in harsh environments. However, research on the high-cycle fatigue (HCF) life of hard-coated metal substrates has reache…
View article: Effect of preparation conditions on the properties of ZIF-8@ZnO PEO coating
Effect of preparation conditions on the properties of ZIF-8@ZnO PEO coating Open
Recently, metal organic frameworks (MOFs), crystalline porous materials, demonstrated their effectiveness for the post-modification of coatings obtained by plasma electrolytic oxidation (PEO) treatment. The post-modification leads to the s…
View article: Micro-focused X-ray diffraction imaging analysis of Fe nitrides and carbides in the compound layer of nitrocarburized and gas nitrided steel surfaces
Micro-focused X-ray diffraction imaging analysis of Fe nitrides and carbides in the compound layer of nitrocarburized and gas nitrided steel surfaces Open
Thermochemical treatments like nitrocarburizing and gas nitriding form hardened surface layers of iron nitrides and carbides, improving wear, fatigue, and corrosion resistance in loaded components made of steel. This study employs micro-fo…
View article: Nanocrystal Compressive Residual Stresses: A Strategy to Strengthen the Bony Spines of Osteocytic and Anosteocytic Fish
Nanocrystal Compressive Residual Stresses: A Strategy to Strengthen the Bony Spines of Osteocytic and Anosteocytic Fish Open
Bone is a living tissue in which communicating cells, osteocytes, are assumed to be vital for tissue turnover and adaptation. Interestingly however, most advanced teleost fish do not possess osteocyte‐mediated porosity, prompting intriguin…
View article: Combined X-ray microdiffraction and micromechanical testing for direct measurement of thin film elastic constants
Combined X-ray microdiffraction and micromechanical testing for direct measurement of thin film elastic constants Open
Direct measurement of elastic constants for thin films is still far from routine and poses significant technical and analytical challenges compared to bulk materials. Ab initio Density Functional Theory calculations offer theoretical input…
View article: Unveiling the Li/Electrolyte Interface Behavior for Dendrite‐Free All‐Solid‐State Lithium Metal Batteries by <i>Operando</i> Nano‐Focus WAXS
Unveiling the Li/Electrolyte Interface Behavior for Dendrite‐Free All‐Solid‐State Lithium Metal Batteries by <i>Operando</i> Nano‐Focus WAXS Open
Poly(ethylene oxide) (PEO)‐based solid composite electrolytes suffer from poor conductivity and lithium dendrite growth, especially toward the metallic lithium metal anode. In this study, succinonitrile (SN) is incorporated into a PEO comp…
View article: Confinement-Induced Self-Assembly of Protein Nanofibrils Probed by Microfocus X-ray Scattering
Confinement-Induced Self-Assembly of Protein Nanofibrils Probed by Microfocus X-ray Scattering Open
We here explore confinement-induced assembly of whey protein nanofibrils (PNFs) into microscale fibers using microfocused synchrotron X-ray scattering. Solvent evaporation aligns the PNFs into anisotropic fibers, and the process is followe…
View article: Bone-seeking tumor cells alter bone material quality parameters on the nanoscale in mice
Bone-seeking tumor cells alter bone material quality parameters on the nanoscale in mice Open
Bone metastases related to breast and prostate cancer present with multiple challenges and skeletal related events like fragility fractures impair the quality of life of the patients significantly. To determine local alterations in bone ma…
View article: Multi-modal investigation of the bone micro- and ultrastructure, and elemental distribution in the presence of Mg-xGd screws at mid-term healing stages
Multi-modal investigation of the bone micro- and ultrastructure, and elemental distribution in the presence of Mg-xGd screws at mid-term healing stages Open
Magnesium (Mg) - based alloys are becoming attractive materials for medical applications as temporary bone implants for support of fracture healing, e.g. as a suture anchor. Due to their mechanical properties and biocompatibility, they may…
View article: Sheep Bone Ultrastructure Analyses Reveal Differences in Bone Maturation around Mg-Based and Ti Implants
Sheep Bone Ultrastructure Analyses Reveal Differences in Bone Maturation around Mg-Based and Ti Implants Open
Magnesium alloys are some of the most convenient biodegradable materials for bone fracture treatment due to their tailorable degradation rate, biocompatibility, and mechanical properties resembling those of bone. Despite the fact that magn…
View article: Chelating agent stimulated LDH post-treatment of PEO coated AA2024
Chelating agent stimulated LDH post-treatment of PEO coated AA2024 Open
Layered double hydroxides (LDHs) are well known and broadly investigated on bare aluminum alloys, but not on PEO treated aluminum where source of aluminum ions is restricted. The additions of the chelating agents were tested in this work t…
View article: Multimodal analysis and comparison of stoichiometric and structural characteristics of parosteal and conventional osteosarcoma with massive sclerosis in human bone
Multimodal analysis and comparison of stoichiometric and structural characteristics of parosteal and conventional osteosarcoma with massive sclerosis in human bone Open
Osteosarcoma (OS) is the most common malignant primary bone tumor in humans and occurs in various subtypes. Tumor formation happens through malignant osteoblasts producing immature bone. In the present paper we studied two different subtyp…
View article: Local Structural Modifications in Metallic Micropillars Induced by Plasma Focused Ion Beam Processing
Local Structural Modifications in Metallic Micropillars Induced by Plasma Focused Ion Beam Processing Open
A focused ion beam scanning electron microscope (FIB-SEM) is a powerful tool that is routinely used for scale imaging from the micro- to nanometer scales, micromachining, prototyping, and metrology. In spite of the significant capabilities…
View article: Controllable recrystallization of ZnO/ZnAl2O4 based PEO into ZIF-8 as a route for the formation of multifunctional coatings
Controllable recrystallization of ZnO/ZnAl2O4 based PEO into ZIF-8 as a route for the formation of multifunctional coatings Open
Nowadays, plasma electrolytic oxidation (PEO) has become widespread as an effective method for preparation of multifunctional coatings. However, the PEO coatings have numerous pores. On the one hand, their presence restricts their broad ap…
View article: Oxidation protection of TNM alloys with Al-rich γ-TiAl-based coatings
Oxidation protection of TNM alloys with Al-rich γ-TiAl-based coatings Open
The request to reduce carbon emissions as well as fuel consumptions of modern aerospace and aviation mobility, heavily motivated the development of lighter and more durable high temperature materials. γ-TiAl bulk materials meet many of the…
View article: Decomposition pathways in nano-lamellar CVD Ti0.2Al0.8N
Decomposition pathways in nano-lamellar CVD Ti0.2Al0.8N Open
Recent progress in chemical vapour deposition (CVD) technology has enabled synthesis of metastable cubic Ti1−xAlxN coatings with x as high as 0.8–0.9. These coatings have unique micro- and nano-structures consisting of grains with epitaxia…
View article: Computational thermodynamics and kinetics-guided re-engineering of a high-performance tool steel
Computational thermodynamics and kinetics-guided re-engineering of a high-performance tool steel Open
Targeting to obtain fine dispersions of nanoscale precipitates to enhance the mechanical properties of a high-performance tool steel, re-engineering of the alloy composition and heat treatment was guided by computational thermodynamics and…
View article: Influence of the deposition process and substrate on microstructure, phase composition, and residual stress state on as-deposited Cr-Al-C coatings
Influence of the deposition process and substrate on microstructure, phase composition, and residual stress state on as-deposited Cr-Al-C coatings Open
This paper focuses on the influence of the High Power Pulsed Magnetron Sputtering (HPPMS) and Direct Current Magnetron Sputtering (DCMS) coating deposition processes, the bias voltage, deposition temperature, and substrate on various prope…
View article: Assessing the fracture and fatigue resistance of nanostructured thin films
Assessing the fracture and fatigue resistance of nanostructured thin films Open
Fatigue failure through sustained loading of ductile materials manifests in irreversible motion of dislocations, followed by crack initiation and growth. This contrasts with the mechanisms associated with brittle ceramics, such as nanostru…