Dušan Galusek
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View article: Microstructure, phase transformation temperatures and long-term stability of ex-situ Alloy 718 + TiB2 metal-ceramic nanocomposites as a repair coatings for aerospace applications
Microstructure, phase transformation temperatures and long-term stability of ex-situ Alloy 718 + TiB2 metal-ceramic nanocomposites as a repair coatings for aerospace applications Open
In this study, Ni-based superalloy Alloy 718 + xTiB2 (x = 1.25; 2.5; 3.75; 5.0%) composites were fabricated by suction casting to improve hardness, wear resistance, and corrosion resistance. The microstructure and properties were analyzed …
View article: Low‐temperature sintered boron‐doped S53P4 bioactive glass scaffolds fabricated by robocasting
Low‐temperature sintered boron‐doped S53P4 bioactive glass scaffolds fabricated by robocasting Open
This study investigates boron‐doped S53P4 bioactive glass (BG) scaffolds fabricated via robocasting in the context of bone regeneration strategies by comparing their mechanical performance and bioactive behavior to undoped S53P4 BG scaffol…
View article: Influence of activator molarity and waste-glass-to-volcanic-ash ratios on the microstructure of potassium-based alkali-activated pastes
Influence of activator molarity and waste-glass-to-volcanic-ash ratios on the microstructure of potassium-based alkali-activated pastes Open
In this study, binary alkali-activated pastes based on volcanic ash from Mount Etna (Italy) and borosilicate waste glass were synthesized for the first time using potassium hydroxide (KOH) at different molarities (i.e., 7 M and 9 M) and mo…
View article: Highly dense translucent CeO<sub>2‒</sub><i><sub>δ</sub></i>·(RE, Y, Sm, La)<sub>2</sub>O<sub>3</sub> (RE = Dy, Gd) high‐entropy ceramics for multi‐wavelength emission
Highly dense translucent CeO<sub>2‒</sub><i><sub>δ</sub></i>·(RE, Y, Sm, La)<sub>2</sub>O<sub>3</sub> (RE = Dy, Gd) high‐entropy ceramics for multi‐wavelength emission Open
This study reports the synthesis of translucent, high‐entropy oxide (HEO) ceramics with the composition CeO 2‒ δ ·(RE, La, Sm, Y) 2 O 3 (RE = Dy, Gd), and a single‐phase bixbyite structure (space group Ia‐3). The materials were prepared by…
View article: Direct ink writing of lightweight 3D structures from alkali-activated waste fiberglass and glass microsphere fillers
Direct ink writing of lightweight 3D structures from alkali-activated waste fiberglass and glass microsphere fillers Open
This study explores the upcycling of glass waste into sustainable materials using additive manufacturing. The direct ink writing technique was used to 3D print structures from waste fiberglass activated with 3 M or 5 M NaOH. All inks showe…
View article: Femtosecond laser crystallization of YAG in yttrium aluminosilicate glasses
Femtosecond laser crystallization of YAG in yttrium aluminosilicate glasses Open
This work demonstrates the capability to crystallize YAG via femtosecond pulsed laser. Challenges in using melt‐quench glass are shown to restrict glass composition and have not yielded YAG via femtosecond laser crystallization. An alterna…
View article: Mechanoluminescence of Bi‐Activated NaYGeO<sub>4</sub> Polycrystals and 3D Printed Scaffolds in the NUV/Blue and NIR Spectral Range
Mechanoluminescence of Bi‐Activated NaYGeO<sub>4</sub> Polycrystals and 3D Printed Scaffolds in the NUV/Blue and NIR Spectral Range Open
Mechanoluminescent (ML) materials emit light when mechanically stimulated, serving as sensors and light sources in applications such as stress sensing, anti‐counterfeiting, and biomechanical imaging. ML in the ultraviolet and near‐infrared…
View article: Microstructure, stability and oxidation resistance of ex-situ Alloy 625 + TiC nanocomposites processed by suction casting intended for repair of aerospace components
Microstructure, stability and oxidation resistance of ex-situ Alloy 625 + TiC nanocomposites processed by suction casting intended for repair of aerospace components Open
In this work, nanocomposites based on the Alloy 625 superalloy with varying additions of xTiC particles (x = 1.25; 2.5; 3.75; 5.0, wt%) were prepared by suction casting. The microstructure and selected properties were analyzed using thermo…
View article: High VEGF Secretion Using Co and B Co-doped Bioactive Mesoporous Glass Nanoparticles for Enhanced Angiogenesis
High VEGF Secretion Using Co and B Co-doped Bioactive Mesoporous Glass Nanoparticles for Enhanced Angiogenesis Open
This investigation presents a novel approach to engineering mesoporous bioactive glass nanoparticles (MBGNs) through selective ion doping. This method can significantly potentiate their physicochemical properties and biological performance…
View article: Greener, safer, and stronger: plasma ion-exchanged pharmaceutical glass vials for precision drug delivery dosing
Greener, safer, and stronger: plasma ion-exchanged pharmaceutical glass vials for precision drug delivery dosing Open
This study introduces the groundbreaking synergistic influence of plasma and ion-exchange treatment (P-IET), conducted under varying conditions at temperatures of 450 °C and 500 °C for 2, 12, and 24 h, preceded by a few seconds of pre-plas…
View article: Morphology and topography of chitosan-Zn complex/PEO fiber mats influence cell viability and attachment
Morphology and topography of chitosan-Zn complex/PEO fiber mats influence cell viability and attachment Open
Electrospun fiber mats with therapeutic potential show great promise as wound healing biomaterials. This study aims to compare the biophysical properties and biocompatibility of four different biodegradable fiber mats; namely chitosan and …
View article: Monitoring the stability of therapeutic ions in SBF
Monitoring the stability of therapeutic ions in SBF Open
For the assessment of potentially bioactive materials, in vitro tests are performed in simulating body fluid (SBF) to prove its hydroxyapatite-forming ability and its biodegradability based on ions released into the solution. Information o…
View article: Fabrication of Al2O3-Y3Al5O12-ZrO2 composites by single-step spark plasma sintering
Fabrication of Al2O3-Y3Al5O12-ZrO2 composites by single-step spark plasma sintering Open
Fabricating Al2O3-Y3Al5O12-ZrO2 ceramic composites with a eutectic microstructure is challenging and costly, as it requires high-temperature melting of precursor materials. Here, we report on the successful production of Al2O3-Y3Al5O12- 5 …
View article: Stokes and Anti-Stokes emission and biological window III (1.53 µm) luminescence thermometry analysis from Stark sublevels in Er3+, Yb3+ -doped fluorophosphate glasses
Stokes and Anti-Stokes emission and biological window III (1.53 µm) luminescence thermometry analysis from Stark sublevels in Er3+, Yb3+ -doped fluorophosphate glasses Open
The development of efficient temperature sensors has played a pivotal role in technological advancement by offering rapid response and enabling non-contact temperature measurement. In this work, a luminescence thermometer from Stark sublev…
View article: Overcoming the Selectivity‐Sensitivity Trade‐Off in Electroactive Gas Sensing Using Hybrid Glass Composites
Overcoming the Selectivity‐Sensitivity Trade‐Off in Electroactive Gas Sensing Using Hybrid Glass Composites Open
Hybrid glasses derived from meltable metal‐organic frameworks (MOFs) have emerged as a new class of amorphous materials. Combining the porosity of MOFs with the processing ability of glasses, they are thought to enable a wholly new range o…
View article: Functionalization of LCD glass for the manufacturing of advanced 3D-printed translucent photocatalytic scaffolds
Functionalization of LCD glass for the manufacturing of advanced 3D-printed translucent photocatalytic scaffolds Open
In this paper, we discuss the functionalization of translucent glass scaffolds obtained from LCD glass waste with a photocatalytic coating. Scaffolds were in the form of four-layer lattices and gyroids, depending on the printing technology…
View article: Tailoring optical properties of (Ce,Pr)O2-δ·(La,Sm,Y)2O3 high entropy oxides by substituting Pr with Gd or Dy for multi-wavelength emission applications
Tailoring optical properties of (Ce,Pr)O2-δ·(La,Sm,Y)2O3 high entropy oxides by substituting Pr with Gd or Dy for multi-wavelength emission applications Open
High-entropy oxides (HEOs) has generated considerable research interest because of their novel inherent properties and tuneable functionality. In this study, reactive sintering method was used to synthesize HEOs with three different compos…
View article: Influence of annealing temperature on the photocatalytic efficiency of sol-gel dip-coated ZnO thin films in methyl orange degradation
Influence of annealing temperature on the photocatalytic efficiency of sol-gel dip-coated ZnO thin films in methyl orange degradation Open
ZnO thin films on glass substrates and silicon wafers were prepared by the sol-gel dipcoating technique and annealed at temperatures ranging from 300 - 550 °C. X-ray diffraction (XRD) and Raman analysis confirm the hexagonal wurtzite struc…
View article: Improving contact damage resistance of spinel translucent ceramics through a multi-layer design
Improving contact damage resistance of spinel translucent ceramics through a multi-layer design Open
The brittle response of transparent spinel ceramics to contact damage is limiting their application as an alternative to glasses and single crystals. In this work, we explore a strategy to enhance the contact damage resistance of spinel ce…
View article: Yttria-stabilised zirconia and lanthanum cerate granules with YSZ whiskers prepared by spray drying for thermal barrier coatings
Yttria-stabilised zirconia and lanthanum cerate granules with YSZ whiskers prepared by spray drying for thermal barrier coatings Open
The aim of this study was to explore the effect of different solid phases and varied amounts of polyvinyl alcohol (PVA) on granule size of plasma-sprayable yttria-stabilised zirconia (YSZ) with YSZ whiskers (YSZ/W) and lanthanum cerate (La…