Dariusz Chocyk
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View article: Effect of Adding Molybdenum on Microstructure, Hardness, and Corrosion Resistance of an AlCoCrFeNiMo0.25 High-Entropy Alloy
Effect of Adding Molybdenum on Microstructure, Hardness, and Corrosion Resistance of an AlCoCrFeNiMo0.25 High-Entropy Alloy Open
Recent literature reports have shown that individual HEAs, especially those of the AlCoCrFeNi composition system alloyed with appropriately selected elements, exhibit excellent mechanical properties and corrosion resistance, making them pr…
View article: Corrosion Behavior of Shot Peened Ti6Al4V Alloy Fabricated by Conventional and Additive Manufacturing
Corrosion Behavior of Shot Peened Ti6Al4V Alloy Fabricated by Conventional and Additive Manufacturing Open
Ti6Al4V titanium alloy is one of the most studied for its properties after additive manufacturing. Due to its widely use in medical applications, its properties are investigated in various aspects of surface layer property improvement and …
View article: The Influence of Micronization on the Properties of Black Cumin Pressing Waste Material
The Influence of Micronization on the Properties of Black Cumin Pressing Waste Material Open
The purpose of this study was to investigate the effect of micronization on the characteristics of black cumin pressing waste material. The basic composition, amino acid, and fatty acid content of the raw material—specifically, black cumin…
View article: Shot Peening Effect on Sliding Wear in 0.9% NaCl of Additively Manufactured 17-4PH Steel
Shot Peening Effect on Sliding Wear in 0.9% NaCl of Additively Manufactured 17-4PH Steel Open
The growing demand for modern steels showing corrosion and tribological resistance has led to their increased use in the production of medical devices. This study analyzed the effect of shot peening on wear resistance in 0.9% NaCl solution…
View article: Shot Peening Effect on Wet Sliding Wear in 0.9% NaCl of 17-4PH Stainless Steel Fabricated by Additive Manufacturing
Shot Peening Effect on Wet Sliding Wear in 0.9% NaCl of 17-4PH Stainless Steel Fabricated by Additive Manufacturing Open
17-4PH steel is a widely used grade for precipitation hardening. The growing demand for modern materials with high corrosion and tribological resistance has led to its increased use for the production of medical devices. With additive manu…
View article: Nitriding of hardfaced layers as a method of improving wear resistance of hot forging tools
Nitriding of hardfaced layers as a method of improving wear resistance of hot forging tools Open
The article deals with novel hybrid layers combining hardfacing and nitriding to improve forging tool durability. It includes a study of the nitriding capabilities of hardfacings made of typical materials used to repair key groups of hot f…
View article: Examining the Influence of Ultrasounds and the Addition of Arrowroot on the Physicochemical Properties of Ice Cream
Examining the Influence of Ultrasounds and the Addition of Arrowroot on the Physicochemical Properties of Ice Cream Open
The aim of the study was to evaluate the possibility of utilizing ultrasonic pasteurization as an alternative method to the standard pasteurization technique used for ice cream mixes. In addition, the possibility of replacing commercial st…
View article: Effects of ageing heat treatment temperature on the properties of DMLS additive manufactured 17-4PH steel
Effects of ageing heat treatment temperature on the properties of DMLS additive manufactured 17-4PH steel Open
Additive manufacturing (AM) is a modern, innovative manufacturing method that enables the production of fully dense products with high mechanical properties and complex shapes that are often impossible to obtain by traditional methods. The…
View article: Improving the Wear-Resistance of BT22 Titanium Alloy by Forming Nano-Cellular Topography via Laser-Thermochemical Processing
Improving the Wear-Resistance of BT22 Titanium Alloy by Forming Nano-Cellular Topography via Laser-Thermochemical Processing Open
This paper studies the microstructure, phase composition and tribological response of BT22 bimodal titanium alloy samples, which were selectively laser-processed before nitriding. Laser power was selected to obtain a maximum temperature ju…
View article: Microstructure and Friction Response of a Novel Eutectic Alloy Based on the Fe-C-Mn-B System
Microstructure and Friction Response of a Novel Eutectic Alloy Based on the Fe-C-Mn-B System Open
This paper focuses on the microstructure and tribological properties of novel hardfacing alloy based on Fe-C-Mn-B doped with Ni, Cr, and Si. The 4 mm-thick coating was deposited on the AISI 1045 carbon steel by the MIG-welding method using…
View article: Effect of Nanoindentation Rate on Plastic Deformation in Cu Thin Films
Effect of Nanoindentation Rate on Plastic Deformation in Cu Thin Films Open
The paper investigates the nanoindentation process with different rates in the Cu (001) of FCC system. The indentation process was done using molecular dynamics simulation based on the embedded atom method theory and Morse potential. Simul…
View article: Effect of Nitrogen Ion Implantation on the Cavitation Erosion Resistance and Cobalt-Based Solid Solution Phase Transformations of HIPed Stellite 6
Effect of Nitrogen Ion Implantation on the Cavitation Erosion Resistance and Cobalt-Based Solid Solution Phase Transformations of HIPed Stellite 6 Open
From the wide range of engineering materials traditional Stellite 6 (cobalt alloy) exhibits excellent resistance to cavitation erosion (CE). Nonetheless, the influence of ion implantation of cobalt alloys on the CE behaviour has not been c…
View article: Effect of Nitrogen Ion Implantation on the Cavitation Erosion Resistance and Cobalt-Based Solid Solution Phase Transformations of HIPed Stellite 6
Effect of Nitrogen Ion Implantation on the Cavitation Erosion Resistance and Cobalt-Based Solid Solution Phase Transformations of HIPed Stellite 6 Open
From the wide range of engineering materials traditional Stellite 6 alloy exhibits excellent cavitation erosion (CE) resistance. In this work, the effect of nitrogen ion implantation of HIPed Stellite 6 on the improvement of CE resistance …
View article: Identification of sugars and phenolic compounds in honey powders with the use of GC–MS, FTIR spectroscopy, and X-ray diffraction
Identification of sugars and phenolic compounds in honey powders with the use of GC–MS, FTIR spectroscopy, and X-ray diffraction Open
This work aimed at the chemical and structural characterization of powders obtained from chestnut flower honey (HFCh) and honey with Inca berry (HBlu). Honey powders were obtained by spray drying technique at low temperature (80/50 °C) wit…
View article: The Effect of Ho Doping Contents on the Structural, Microstructure and Dielectric Properties of Bi5Ti3FeO15 Aurivillius Ceramics
The Effect of Ho Doping Contents on the Structural, Microstructure and Dielectric Properties of Bi5Ti3FeO15 Aurivillius Ceramics Open
Aurivillius Bi5-xHoxTi3FeO15 (BHTFO) multiferroic ceramics with different holmium doping contents were synthesized by conventional solid state reaction. The effect of holmium doping on the microstructure, structural and dielectric behavior…
View article: The Structure and Mechanical Properties of the Surface Layer of Polypropylene Polymers with Talc Additions
The Structure and Mechanical Properties of the Surface Layer of Polypropylene Polymers with Talc Additions Open
In the presented work the influence of different 3MgO·4SiO2·H2O (talc) contents in polypropylene samples on the structure, hardness, elasticity, and friction of the surface layer was investigated. The talc content ranged from 0 to 25 wt.%,…
View article: The Influence of Kaolin Clay on the Mechanical Properties and Structure of Thermoplastic Starch Films
The Influence of Kaolin Clay on the Mechanical Properties and Structure of Thermoplastic Starch Films Open
The aim of study was to investigate the influence of kaolin on the physical properties and utility of film produced from native starch. The work involved measurements of strength, structure, and thermal properties. The films were prepared …
View article: Synthesis and characterization of AgFeO<sub>2</sub> delafossite with non-stoichiometric silver concentration
Synthesis and characterization of AgFeO<sub>2</sub> delafossite with non-stoichiometric silver concentration Open
The simple co-precipitation method was used to prepare Ag x FeO 2 delafossite with non-stoichiometric silver concentration in the range of x = 0.05-1. The obtained material was investigated using X-ray powder diffraction and 57 Fe Mössbaue…
View article: Structure and Stress in Au/Cu Two-Layer System during Annealing at Different Temperature
Structure and Stress in Au/Cu Two-Layer System during Annealing at Different Temperature Open
In this work, the Au/Cu two-layer systems, with the total thickness equal to 30 nm are studied.The two-layer systems were deposited by thermal evaporation in a UHV system on the silicon substrate at room temperature.After deposition the sa…
View article: Stress induced grain boundaries in thin Co layer deposited on Au and Cu
Stress induced grain boundaries in thin Co layer deposited on Au and Cu Open
In this work, the structure and stress evolution in Co/Au and Co/Cu two-layer systems during deposition were studied. The growth of this system is evaluated by employing molecular dynamic simulations with potentials based on the embedded a…