Jerzy Robert Sobiecki
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View article: Influence of Substrate Type Made of WC-Co on CrN/CrAlN Coatings’ Durability During Machining of Particleboard
Influence of Substrate Type Made of WC-Co on CrN/CrAlN Coatings’ Durability During Machining of Particleboard Open
This paper investigates the influence of substrate grain size on the behavior of a multilayer CrN/CrAlN coating, with the bilayer thickness varying across the cross-section in the range of 200–1000 nm. The substrate tools were made of WC-C…
View article: Corrosion Resistance of Amorphous Carbon Coatings Doped with Nitrogen and Hydrogen in 3.5% NaCl Solution and Mine Waters
Corrosion Resistance of Amorphous Carbon Coatings Doped with Nitrogen and Hydrogen in 3.5% NaCl Solution and Mine Waters Open
To evaluate the effect of nitrogen and hydrogen on the corrosion resistance of diamond-like carbon (DLC) coatings, potentiodynamic tests were carried out on DLC coatings deposited under various reactive atmosphere compositions on martensit…
View article: Influence of Nitrogen and Hydrogen Addition on Composition, Morphology, Adhesion, and Wear Resistance of Amorphous Carbon Coatings Produced by RFCVD Method on Surface-Hardened Ultra-Fine Grained Bainitic 30HGSNA Steel
Influence of Nitrogen and Hydrogen Addition on Composition, Morphology, Adhesion, and Wear Resistance of Amorphous Carbon Coatings Produced by RFCVD Method on Surface-Hardened Ultra-Fine Grained Bainitic 30HGSNA Steel Open
Ultra-fine-grained bainitic (UFGB) steels offer excellent mechanical properties, which can be further improved by applying diamond-like carbon (DLC) coatings. However, poor adhesion between the coating and substrate remains a key limitatio…
View article: Influence of parameters in the magnetron sputtering process (HiPIMS) on the mechanical and antibacterial properties of silver-doped DLC coatings
Influence of parameters in the magnetron sputtering process (HiPIMS) on the mechanical and antibacterial properties of silver-doped DLC coatings Open
In the present work, DLC coatings, well known for their antiwear properties, were modified by introducing to the structure an additive metal with antibacterial properties—silver. Diamond-like coatings doped with silver were deposited on Cr…
View article: Advancements in Surface Modification of NiTi Alloys for Orthopedic Implants: Focus on Low-Temperature Glow Discharge Plasma Oxidation Techniques
Advancements in Surface Modification of NiTi Alloys for Orthopedic Implants: Focus on Low-Temperature Glow Discharge Plasma Oxidation Techniques Open
Nickel–titanium (NiTi) shape memory alloys are promising materials for orthopedic implants due to their unique mechanical properties, including superelasticity and shape memory effect. However, the high nickel content in NiTi alloys raises…
View article: Influence of Nitrogen and Hydrogen Addition on Composition, Morphology, Adhesion and Wear Resistance of Amorphous Carbon Coatings Produced by Rfcvd Method on Surface-Hardened Ultra-Fine Grained Bainitic 30hgsna Steel
Influence of Nitrogen and Hydrogen Addition on Composition, Morphology, Adhesion and Wear Resistance of Amorphous Carbon Coatings Produced by Rfcvd Method on Surface-Hardened Ultra-Fine Grained Bainitic 30hgsna Steel Open
View article: Protective Magnetron Sputtering Physical Vapor Deposition Coatings for Space Application
Protective Magnetron Sputtering Physical Vapor Deposition Coatings for Space Application Open
In this study, the use of Cr/CrN+CrCN/Cr-C:H, Cr/W-C:H, and Cr/CrN+Ag/Cr-C:H coatings deposited on copper beryllium were investigated. These protective coatings were prepared using the Magnetron Sputtering Physical Vapor Deposition (MSPVD)…
View article: Structure and Properties of Bioactive Titanium Dioxide Surface Layers Produced on NiTi Shape Memory Alloy in Low-Temperature Plasma
Structure and Properties of Bioactive Titanium Dioxide Surface Layers Produced on NiTi Shape Memory Alloy in Low-Temperature Plasma Open
Background: The NiTi alloy, known for its shape memory and superelasticity, is increasingly used in medicine. However, its high nickel content requires enhanced biocompatibility for long-term implants. Low-temperature plasma treatments und…
View article: The Effect of Nitriding Temperature of AISI 316L Steel on Sub-Zero Corrosion Resistance in C2H5OH
The Effect of Nitriding Temperature of AISI 316L Steel on Sub-Zero Corrosion Resistance in C2H5OH Open
In this paper, glow nitriding processes at cathode potential are used at various temperatures to investigate how they affect the corrosion resistance of 316L steel in ethanol at temperatures of 22 °C and −30 °C. Lowering the test temperatu…
View article: Adhesion and Chemical Composition of Carbon Coatings Produced in Low-Temperature Rfcvd Processes on Substrates of 35crmnsi5-5-4 Steel with Nanobainitic and Martensitic Structure
Adhesion and Chemical Composition of Carbon Coatings Produced in Low-Temperature Rfcvd Processes on Substrates of 35crmnsi5-5-4 Steel with Nanobainitic and Martensitic Structure Open
View article: Adhesion and Chemical Composition of Carbon Coatings Produced in Low-Temperature Rfcvd Processes on Substrates of 35crmnsi5-5-4 Steel with Nanobainitic and Martensitic Structure
Adhesion and Chemical Composition of Carbon Coatings Produced in Low-Temperature Rfcvd Processes on Substrates of 35crmnsi5-5-4 Steel with Nanobainitic and Martensitic Structure Open
View article: Coatings deposited by physical vapor deposition (PVD) on high-speed steel used in the processing of wood materials
Coatings deposited by physical vapor deposition (PVD) on high-speed steel used in the processing of wood materials Open
In this study the use of AlTiN/aCN, TiAlN/TiN and three types of CrAlN/CrN coatings deposited on HSS steel was investigated. These protective coatings were prepared using PVD (physical vapor deposition) method. The objective of this study …
View article: Influence of Low Temperature Plasma Oxidizing on the Bioactivity of NiTi Shape Memory Alloy for Medical Applications
Influence of Low Temperature Plasma Oxidizing on the Bioactivity of NiTi Shape Memory Alloy for Medical Applications Open
The present study elucidates the impact of glow discharge oxidation within a low-temperature plasma environment on the bioactivity characteristics of an NiTi shape memory alloy. The properties of the produced surface layers, such as struct…
View article: The Nickel Aluminide Coatings Obtained on Small Holes Produced with the EDD Method
The Nickel Aluminide Coatings Obtained on Small Holes Produced with the EDD Method Open
Recently, airplane travel has become more affordable and thus more common. This has required engineers and scientists to spend thousands of hours on the development of new material and production technologies. High-pressure turbine (HPT) c…
View article: Comparison Study of PVD Coatings: TiN/AlTiN, TiN and TiAlSiN Used in Wood Machining
Comparison Study of PVD Coatings: TiN/AlTiN, TiN and TiAlSiN Used in Wood Machining Open
In this paper, we analyze the possibilities of the protection of tools for wood machining with PVD (Physical Vapor Deposition) hard coatings. The nanolayered TiN/AlTiN coating, nanocomposite TiAlSiN coatings, and single layer TiN coating w…
View article: The Microstructure and Properties of Carbon Thin Films on Nanobainitic Steel
The Microstructure and Properties of Carbon Thin Films on Nanobainitic Steel Open
The aim of this study was to assess whether it is possible to produce a high adhesive carbon coating by applying low-temperature RFCVD and glow discharge methods on nanobainitic X37CrMoV5-1 steel with and without nitrided sublayer. For thi…
View article: Influence of Different Types of Cemented Carbide Blades and Coating Thickness on Structure and Properties of TiN/AlTiN and TiAlN/a-C:N Coatings Deposited by PVD Techniques for Machining of Wood-Based Materials
Influence of Different Types of Cemented Carbide Blades and Coating Thickness on Structure and Properties of TiN/AlTiN and TiAlN/a-C:N Coatings Deposited by PVD Techniques for Machining of Wood-Based Materials Open
The influence of different types of cemented carbide blades and thickness of TiAlN/a-C:N and TiN/AlTiN protective coatings used in the wood industry on cutting performance has been studied. Three types of WC-Co cemented carbide blades with…
View article: The effect of current types on the microstructure and corrosion properties of Ni/NANOAl2O3 composite coatings
The effect of current types on the microstructure and corrosion properties of Ni/NANOAl2O3 composite coatings Open
Nickel matrix composite coatings with a ceramic disperse phase have been widely investigated due to their enhanced properties, such as higher hardness and wear resistance in comparison to pure nickel.This paper describes the research on ni…
View article: Corrosion Resistance of Ni/Al2O3 Nanocomposite Coatings
Corrosion Resistance of Ni/Al2O3 Nanocomposite Coatings Open
Nickel matrix composite coatings with ceramic disperse phase have been widely investigated due to their enhanced properties, such as higher hardness and wear resistance in comparison to the pure nickel. The main aim of this research was to…