Jaroslav Fojt
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View article: Effect of Laser treatment on the microstructure and mechanical properties of the surface of Ti-6Al-4V alloy fabricated by Powder Bed Fusion technology
Effect of Laser treatment on the microstructure and mechanical properties of the surface of Ti-6Al-4V alloy fabricated by Powder Bed Fusion technology Open
This study investigates the influence of laser surface treatment under different protective atmospheres (air, argon, and nitrogen) on the microstructure, mechanical, tribological, and biological properties of Ti-6Al-4V alloy produced by se…
View article: Effect of Sample Thickness and Post-Processing on Mechanical Properties of 3D-Printed Titanium Alloy
Effect of Sample Thickness and Post-Processing on Mechanical Properties of 3D-Printed Titanium Alloy Open
3D printing of beta titanium alloys for biomedical applications is currently in great demand, both for material reasons and for the possibility of producing very complex replacements, often directly tailored to the patient. Gyroidal and si…
View article: The effect of pulsed laser on the surface state of 3D-printed triply periodic structures in TiAl6V4 alloy
The effect of pulsed laser on the surface state of 3D-printed triply periodic structures in TiAl6V4 alloy Open
In this study, the effect of laser treatment on the surface of 3D-printed TiAl6V4 alloy with triply periodic structures was examined. As-printed and chemically etched samples served as references to assess surface changes. Microscopic anal…
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: The influence of nitrogen ion implantation on the microstructure and chemical composition of a thin layer on the biodegradable Zn-0.8Mg-0.2Sr substrate
The influence of nitrogen ion implantation on the microstructure and chemical composition of a thin layer on the biodegradable Zn-0.8Mg-0.2Sr substrate Open
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: Biodegradable Zn-0.8Mg-0.2Sr alloy as an internal fixation material exhibits controlled degradation with enhanced osteogenesis
Biodegradable Zn-0.8Mg-0.2Sr alloy as an internal fixation material exhibits controlled degradation with enhanced osteogenesis Open
Zn-0.8Mg-0.2Sr ternary alloy facilitates uniform degradation and releases Zn 2+ , Mg 2+ , and Sr 2+ , synergistically promoting anti-inflammatory immunomodulation, bone regeneration, and bone remodeling.
View article: Evaluation of Corrosion Behaviour of Advanced Beta-Titanium Alloy: A Comparison between 3d Printing and Conventional Manufacturing Methods
Evaluation of Corrosion Behaviour of Advanced Beta-Titanium Alloy: A Comparison between 3d Printing and Conventional Manufacturing Methods Open
View article: Evaluation of Corrosion Behaviour of Advanced Beta-Titanium Alloy: A Comparison between 3d Printing and Conventional Manufacturing Methods
Evaluation of Corrosion Behaviour of Advanced Beta-Titanium Alloy: A Comparison between 3d Printing and Conventional Manufacturing Methods Open
View article: Lifetime of the Stainless Steel Inner Case of the Waste Disposal Package Under Gamma Irradiation
Lifetime of the Stainless Steel Inner Case of the Waste Disposal Package Under Gamma Irradiation Open
View article: Preparation, Characterization and Electrochemical Response of Nanostructured TiAlV with Potentiostatically Deposited IrOx as a pH Sensor for Rapid Detection of Inflammation
Preparation, Characterization and Electrochemical Response of Nanostructured TiAlV with Potentiostatically Deposited IrOx as a pH Sensor for Rapid Detection of Inflammation Open
Electrochemical pH sensors have a wide range of industrial applications such as in medicine due to their fast response and high sensitivity to pH changes. This work focuses on the preparation of samples based on the nanostructure of TiO2 w…
View article: Corrosion Properties and Bond Strength in Normal Strength Concrete of Al2O3 Plasma-Sprayed Plain Bars with ZrCC/Organofunctional Silane Coating
Corrosion Properties and Bond Strength in Normal Strength Concrete of Al2O3 Plasma-Sprayed Plain Bars with ZrCC/Organofunctional Silane Coating Open
In this study, the corrosion properties of plasma-sprayed Al2O3 coating (APSS) with a topcoat of zirconium-based conversion coating (ZrCC) and organofunctional silane coating (3-glycidyloxypropyltrimethoxysilane; GPTMS) on carbon steel are…
View article: pH Sensing for Early Detection of Septic Inflammation Based on Intrinsic Titanium β-Alloy Nanotubular Oxides
pH Sensing for Early Detection of Septic Inflammation Based on Intrinsic Titanium β-Alloy Nanotubular Oxides Open
Orthopaedic surgeries like total hip and knee arthroplasty play a crucial role in restoring joint function for individuals with osteoarthritis. Deep bacterial infections are one of the most serious complications for orthopaedic implants. A…
View article: Acidity Is an Excellent Marker of Infection in Hip and Knee Arthroplasty
Acidity Is an Excellent Marker of Infection in Hip and Knee Arthroplasty Open
Background: The diagnosis of joint replacement infection is a difficult clinical challenge that often occurs when the implant cannot be salvaged. We hypothesize that the pH value of synovial fluid could be an important indicator of the inf…
View article: Biodegradable Zn-0.8Mg-0.2Sr Alloy as an Internal Fixation Material Exhibits Controlled Degradation with Enhanced Osteogenesis
Biodegradable Zn-0.8Mg-0.2Sr Alloy as an Internal Fixation Material Exhibits Controlled Degradation with Enhanced Osteogenesis Open
View article: Influence of the Manufacturing Process on the Corrosion and Mechanical Behavior of Esophageal Stents
Influence of the Manufacturing Process on the Corrosion and Mechanical Behavior of Esophageal Stents Open
Esophageal nitinol stents are an established method for treating swallowing difficulties caused by obstructing cancer. This raesearch investigates the influence of different qualities of raw metal alloys in combination with production tech…
View article: Electrochemical impedance response of the nanostructured Ti–6Al–4V surface in the presence of S. aureus and E. coli
Electrochemical impedance response of the nanostructured Ti–6Al–4V surface in the presence of S. aureus and E. coli Open
Implant infections associated with biofilm are a significant problem in current healthcare. Early detection of the development of bacterial infection would allow the deployment of antibiotic treatment to suppress complications. Biofilm det…
View article: The Use of Electrochemical Methods to Determine the Effect of Nitrides of Alloying Elements on the Electrochemical Properties of Titanium β-Alloys
The Use of Electrochemical Methods to Determine the Effect of Nitrides of Alloying Elements on the Electrochemical Properties of Titanium β-Alloys Open
Titanium beta alloys represent the new generation of materials for the manufacturing of joint implants. Their Young’s modulus is lower and thus closer to the bone tissue compared to commonly used alloys. The surface tribological properties…
View article: Development of Smart Sensing Film with Nonbiofouling Properties for Potentiometric Detection of Local pH Changes Caused by Bacterial and Yeast Infections Around Orthopedic Implants
Development of Smart Sensing Film with Nonbiofouling Properties for Potentiometric Detection of Local pH Changes Caused by Bacterial and Yeast Infections Around Orthopedic Implants Open
The local peri‐implant pH changes caused by sterile inflammation and bacterial and fungal infections are studied herein. Then, a sensing electrode based on polyaniline and poly(2‐methyl‐2‐oxazoline) on a titanium alloy support is developed…
View article: The Influence of Graded Amount of Potassium Permanganate on Corrosion of Hot-Dip Galvanized Steel in Simulated Concrete Pore Solutions
The Influence of Graded Amount of Potassium Permanganate on Corrosion of Hot-Dip Galvanized Steel in Simulated Concrete Pore Solutions Open
This paper evaluates the amount of KMnO4 in simulated concrete pore solution (pH 12.8) on the corrosion behaviour of hot-dip galvanized steel (HDG). In the range of used MnO4− (10−4, 10−3, 10−2 mol·L−1), corrosion behaviour is examined wit…
View article: A Ru/RuO2-Doped TiO2 Nanotubes as pH Sensors for Biomedical Applications: The Effect of the Amount and Oxidation of Deposited Ru on the Electrochemical Response
A Ru/RuO2-Doped TiO2 Nanotubes as pH Sensors for Biomedical Applications: The Effect of the Amount and Oxidation of Deposited Ru on the Electrochemical Response Open
In the field of orthopedic or dental implants, titanium and its alloys are most commonly used because of their excellent mechanical and corrosion properties and good biocompatibility. After implantation into the patient’s body, there is a …
View article: Corrosion Properties of Mn-Based Alloys Obtained by Aluminothermic Reduction of Deep-Sea Nodules
Corrosion Properties of Mn-Based Alloys Obtained by Aluminothermic Reduction of Deep-Sea Nodules Open
Deep-sea manganese nodules are polymetallic oxidic ores that can be found on a seabed. Aluminothermic reduction is one of the possibilities of manganese nodules processing. This process obtains the polymetallic alloy with a high content of…
View article: Corrosion behaviour of the NiTiX (X = Si, Mg, Al) alloy prepared by self-propagating high-temperature synthesis
Corrosion behaviour of the NiTiX (X = Si, Mg, Al) alloy prepared by self-propagating high-temperature synthesis Open
The NiTi alloys are used in the biomaterial field, because of their shape memory, superelasticity, and good corrosion resistance. The influence of alloying elements on the corrosion behaviour of NiTi was studied in this research. Samples w…
View article: Surface pre-treatments of Ti-Nb-Zr-Ta beta titanium alloy: The effect of chemical, electrochemical and ion sputter etching on morphology, residual stress, corrosion stability and the MG-63 cell response
Surface pre-treatments of Ti-Nb-Zr-Ta beta titanium alloy: The effect of chemical, electrochemical and ion sputter etching on morphology, residual stress, corrosion stability and the MG-63 cell response Open
View article: Comparison of progressive sealing methods of anodized aluminium as potential substitute for the chromate sealing
Comparison of progressive sealing methods of anodized aluminium as potential substitute for the chromate sealing Open
Comparison of progressive sealing methods of anodized aluminium as potential substitute for chromate sealing was analysed. Among them sealing in rare earth metal salt solution (Ce3+), so called cold impregnation and sealing in zirconium so…
View article: Phase Composition of Al-Si Coating from the Initial State to the Hot-Stamped Condition
Phase Composition of Al-Si Coating from the Initial State to the Hot-Stamped Condition Open
The chemical and phase composition of the coating and the coating/substrate interface of an Al-Si-coated 22MnB5 hot stamped steel was investigated by means of SEM-EDS, XRD, micro-XRD and electron diffraction. Moreover, the surface profile …
View article: Influence of Surface Finishing on Corrosion Behaviour of 3D Printed TiAlV Alloy
Influence of Surface Finishing on Corrosion Behaviour of 3D Printed TiAlV Alloy Open
Additive manufacturing is currently one of the promising methods for the fabrication of products of complex shapes. It is also used in medical applications, thanks to technological progress, which also enables the printing of metallic mate…
View article: Post-Processing Treatment Impact on Mechanical Properties of SLM Deposited Ti-6Al-4 V Porous Structure for Biomedical Application
Post-Processing Treatment Impact on Mechanical Properties of SLM Deposited Ti-6Al-4 V Porous Structure for Biomedical Application Open
Additive manufacturing technologies allow producing a regular three-dimensional mesh of interconnected struts that form an open-cell porous structure. Regular porous structures have been used in the orthopedic industry due to outstanding b…
View article: Optimal surface topography for cell adhesion is driven by cell membrane mechanics
Optimal surface topography for cell adhesion is driven by cell membrane mechanics Open
Titanium surface treated with titanium oxide nanotubes was used in many studies to quantify the effect of surface topography on cell fate. However, the predicted optimal diameter of nanotubes considerably differs among studies. We propose …