Črtomir Donik
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View article: A core–shell TiON–C nanostructure as a self-supported and scalable electrode for fast oxygen evolution reaction in acidic media
A core–shell TiON–C nanostructure as a self-supported and scalable electrode for fast oxygen evolution reaction in acidic media Open
A novel self-supported architecture, based on carbon nanofibers homogeneously coated by an ultrathin TiON layer and functionalized by a fine dispersion of Ir nanoparticles (NPs) with ultralow loading (60 μ g * cm −2 with particle size ≈1.5…
View article: Workflow and Practical Guidance for Identical Location Scanning Electron Microscopy: Reliable Tracking of Localized Transformations
Workflow and Practical Guidance for Identical Location Scanning Electron Microscopy: Reliable Tracking of Localized Transformations Open
Understanding material transformations at the nano‐ and microscale is essential for advancing electrocatalysis, energy storage, and other applications. Conventional SEM imaging, which captures random locations before and after treatment, s…
View article: Insights into surface microstructural engineering of Inconel 625 for enhanced oxygen evolution reaction performance
Insights into surface microstructural engineering of Inconel 625 for enhanced oxygen evolution reaction performance Open
View article: A core-shell TiON-C nanostructure as a self-supported and scalable electrode for fast oxygen evolution reaction in acidic media
A core-shell TiON-C nanostructure as a self-supported and scalable electrode for fast oxygen evolution reaction in acidic media Open
A novel self-supported architecture, based on carbon nanofibers homogeneously coated by an ultrathin TiON layer and functionalized by a fine dispersion of Ir nanoparticles with ultralow loading (60 microgr*cm-2 with particle size ≈1.5 nm),…
View article: Workflow and Practical Guidance for Identical Location Scanning Electron Microscopy: Reliable Tracking of Localized Transformations
Workflow and Practical Guidance for Identical Location Scanning Electron Microscopy: Reliable Tracking of Localized Transformations Open
Understanding and controlling material transformations at the nano- and microscale is vital for advancing technologies that depend on materials with complex, multiscale architectures, such as those used in electrocatalysis, energy storage,…
View article: Towards increased strength and retained ductility of Zn–Mg-(Ag) materials for medical devices by adopting powder metallurgy processing routes
Towards increased strength and retained ductility of Zn–Mg-(Ag) materials for medical devices by adopting powder metallurgy processing routes Open
The development of bioabsorbable zinc-based alloys with tailored mechanical properties and biocompatibility holds great promise for advancing medical implant technology. In this study, Zn–Mg and Zn–Mg–Ag alloys were synthesized using mecha…
View article: Influence of laser beam shape and post heat-treatment on the microstructure and mechanical properties of nickel-based alloy IN718 manufactured by laser powder bed fusion
Influence of laser beam shape and post heat-treatment on the microstructure and mechanical properties of nickel-based alloy IN718 manufactured by laser powder bed fusion Open
This study examines the effect of Gaussian and ring-shaped laser beam profiles on the microstructural development and mechanical properties of the PBF-LB/M processed nickel-based alloy Inconel 718 in its as-built and post-heat-treated cond…
View article: TAILORING THE MECHANICAL PROPERTIES OF PBF-LB/M INCONEL 718 THROUGH POST-PROCESSING: HIP AND HEAT TREATMENTS
TAILORING THE MECHANICAL PROPERTIES OF PBF-LB/M INCONEL 718 THROUGH POST-PROCESSING: HIP AND HEAT TREATMENTS Open
Inconel 718 (IN718) is a nickel-based superalloy that is extensively utilised in the aerospace, automotive, nuclear, and power-generation industries, primarily due to its exceptional high-temperature strength, fatigue and creep resistance,…
View article: Austenitic stainless steel with yttrium oxide dispersion
Austenitic stainless steel with yttrium oxide dispersion Open
Enhancing traditional materials’ mechanical properties can be achieved by adding ultrafine oxide particles to inhibit dislocation movement, thus increasing strength. Understanding oxide dispersion in metallic alloys is crucial for developi…
View article: Microstructure and mechanical performance of AISI D2 tool steel after standard and modified deep cryogenic treatment
Microstructure and mechanical performance of AISI D2 tool steel after standard and modified deep cryogenic treatment Open
View article: MICROSTRUCTURE CHARACTERISATION OF THE LASER-HYBRID-WELDED ALUMINIUM ALLOY EN AW-5454-D
MICROSTRUCTURE CHARACTERISATION OF THE LASER-HYBRID-WELDED ALUMINIUM ALLOY EN AW-5454-D Open
Microstructural characterisation was performed on EN AW-5454-D Al-alloy weld samples made with a laser-hybrid-welding process in a horizontal position. For this purpose, two pre-bent Al-sheets were used, with different thicknesses of 3.5 a…
View article: RECENT PROGRESS IN OXIDE-DISPERSION-STRENGTHENED (ODS) ALLOYS PRODUCED BY ADDITIVE MANUFACTURING
RECENT PROGRESS IN OXIDE-DISPERSION-STRENGTHENED (ODS) ALLOYS PRODUCED BY ADDITIVE MANUFACTURING Open
Oxide-dispersion-strengthened (ODS) alloys exhibit exceptional mechanical properties, making them ideal for high-temperature applications in areas such as aerospace and nuclear reactors. The traditional manufacturing of ODS alloys involves…
View article: Enhanced Performance of Austenitic Oxide Dispersion-Strengthened 316L Steel: A Study on Y2O3 Reinforcement and Corrosion Behaviour
Enhanced Performance of Austenitic Oxide Dispersion-Strengthened 316L Steel: A Study on Y2O3 Reinforcement and Corrosion Behaviour Open
This study explores the mechanical and corrosion properties of yttria-reinforced 316L stainless steel. Powder precursor materials were prepared using mechanical alloying. Varying yttria (Y2O3) contents (1, 3, and 5 wt%) were used to assess…
View article: Enhanced Performance of Austenitic ODS 316L Steel: A Study on Y₂O₃ Reinforcement and Corrosion Behaviour
Enhanced Performance of Austenitic ODS 316L Steel: A Study on Y₂O₃ Reinforcement and Corrosion Behaviour Open
This study explores the mechanical and corrosion properties of yttria-reinforced 316L stainless steel. Powder precursor materials were prepared using mechanical alloying. Varying yttria (Y₂O₃) content (1, 3, and 5 wt%) was used to assess i…
View article: Influence of Laser Beam Shape and Post Heat-Treatment on the Microstructure and Mechanical Properties of Additively Manufactured Nickel-Based Alloy In718
Influence of Laser Beam Shape and Post Heat-Treatment on the Microstructure and Mechanical Properties of Additively Manufactured Nickel-Based Alloy In718 Open
View article: Grain-resolved mapping of oxygen evolution activation on a Ni-superalloy
Grain-resolved mapping of oxygen evolution activation on a Ni-superalloy Open
Identical-location EBSD, SEM, and EDS reveal how grain size, orientation, and boundaries, often overlooked microstructural factors, affect OER activation of Ni-based anodes, guiding grain-tailored, durable electrodes for green hydrogen pro…
View article: Influence of symmetric and asymmetric rolling on texture evolution of work-hardened AA 5xxx aluminium alloy
Influence of symmetric and asymmetric rolling on texture evolution of work-hardened AA 5xxx aluminium alloy Open
View article: Insights into Surface Microstructural Engineering of Inconel 625 for Enhanced Oxygen Evolution Reaction Performance
Insights into Surface Microstructural Engineering of Inconel 625 for Enhanced Oxygen Evolution Reaction Performance Open
View article: Effect of feed rate during induction hardening on the hardening depth, microstructure, and wear properties of tool-grade steel work roll
Effect of feed rate during induction hardening on the hardening depth, microstructure, and wear properties of tool-grade steel work roll Open
Rolls are the most critical yet vulnerable parts of cold rolling mills. It is crucial for them to withstand long rolling campaigns without losing surface roughness or incurring damage. Newly developed rolls are made from tool-grade steel w…
View article: Laser Powder Bed Fusion Parameters Optimization for Enhanced Mechanical Properties of EOS Co-Cr Dental Alloy
Laser Powder Bed Fusion Parameters Optimization for Enhanced Mechanical Properties of EOS Co-Cr Dental Alloy Open
This research explores how variations in laser powder bed fusion (LPBF) parameters—laser power (P), scanning speed (v), and base plate preheating temperature (ϑp)—affect the mechanical properties of the EOS Co-Cr SP2 dental alloy. A centra…
View article: Effect of feed rate during induction hardening on the hardening depth, microstructure, and wear properties of tool-grade steel work roll
Effect of feed rate during induction hardening on the hardening depth, microstructure, and wear properties of tool-grade steel work roll Open
Rolls are the most critical yet vulnerable parts of cold rolling mills. It is crucial for them to withstand long rolling campaigns without losing surface roughness or incurring damage. The newly developed rolls are made from tool-grade ste…
View article: Harmonizing microstructures and enhancing mechanical resilience: Novel powder metallurgy approach for Zn–Mg alloys
Harmonizing microstructures and enhancing mechanical resilience: Novel powder metallurgy approach for Zn–Mg alloys Open
View article: Harmonizing Microstructures and Enhancing Mechanical Resilience: Novel Powder Metallurgy Approach for Zn-Mg Alloys
Harmonizing Microstructures and Enhancing Mechanical Resilience: Novel Powder Metallurgy Approach for Zn-Mg Alloys Open
Zinc alloys are recognised for their excellent biocompatibility and favourable corrosion rates, making them suitable for bioabsorbable implants. However, their mechanical properties necessitate improvement to fulfil the rigorous requiremen…
View article: Susceptibility of X17CrNi16-2 martensitic stainless steel to hydrogen embrittlement after conventional and deep cryogenic heat treatment
Susceptibility of X17CrNi16-2 martensitic stainless steel to hydrogen embrittlement after conventional and deep cryogenic heat treatment Open
A low carbon/ high chromium martensitic stainless steel, X17CrNi16-2, was heat treated using two different hardening and tempering regimes (1050 °C/480 °C or 980 °C/600 °C) — promoting either a high strength or high toughness state, respec…
View article: Influence of laser powder bed fusion parameters on microstructure and mechanical properties of Co–Cr dental alloy
Influence of laser powder bed fusion parameters on microstructure and mechanical properties of Co–Cr dental alloy Open
This research investigates the impact of three process parameters of Laser Powder Bed Fusion (LPBF) - laser power, scanning speed, and base plate preheating temperature on the structure and mechanical properties of the EOS CoCr SP2 dental …
View article: Bioresorbability Dependence on Microstructure of Additivelly- Manufactured and Conventionally-Produced Fe-Mn Alloys
Bioresorbability Dependence on Microstructure of Additivelly- Manufactured and Conventionally-Produced Fe-Mn Alloys Open
Fe-Mn alloys were produced for bioresorbable applications using the laser powder bed fusion (LPBF) process with varying process parameters. The feedstock alloy powder for LPBF was derived from conventional cast/forged bars using plasma ult…
View article: Exploring the microstructure, mechanical properties, and corrosion resistance of innovative bioabsorbable Zn-Mg-(Si) alloys fabricated via powder metallurgy techniques
Exploring the microstructure, mechanical properties, and corrosion resistance of innovative bioabsorbable Zn-Mg-(Si) alloys fabricated via powder metallurgy techniques Open
Zinc alloys belong to the widely studied materials for applications like medical devices, however, they often encounter an inappropriate combination of mechanical/corrosion/biological properties. In this respect, we produced the Zn–1Mg and…
View article: Bioresorbability Dependence on Microstructure of Additive Manufactured and Conventional Fe-Mn Alloys
Bioresorbability Dependence on Microstructure of Additive Manufactured and Conventional Fe-Mn Alloys Open
View article: Influence of Base Plate Preheating on the Microstructure and Mechanical Properties of Co-Cr Dental Alloy Manufactured by Lpbf
Influence of Base Plate Preheating on the Microstructure and Mechanical Properties of Co-Cr Dental Alloy Manufactured by Lpbf Open
View article: Study on Dissolution of Ba-Containing Inoculant in Ductile Cast Iron Melt and Nucleation of Graphite
Study on Dissolution of Ba-Containing Inoculant in Ductile Cast Iron Melt and Nucleation of Graphite Open