Myron Chernets
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View article: STUDY OF WEAR RESISTANCE AND FRICTION COEFFICIENT OF POLYMERIC MATERIALS FOR METAL-POLYMER GEARS UNDER DRY FRICTION
STUDY OF WEAR RESISTANCE AND FRICTION COEFFICIENT OF POLYMERIC MATERIALS FOR METAL-POLYMER GEARS UNDER DRY FRICTION Open
Various types of tribotechnical polymeric materials are widely used for metal-polymer (MP) gears to ensure their reliable operation in dry sliding friction conditions. These include polyamides, polyacetals, polyetheretherketones, polyethyl…
View article: ANALYTICAL STUDY OF DURABILITY AND CONTACT CHARACTERISTICS OF METAL-POLYMER COMPOSITE SLIDING BEARINGS FOR MEANS OF TRANSPORT
ANALYTICAL STUDY OF DURABILITY AND CONTACT CHARACTERISTICS OF METAL-POLYMER COMPOSITE SLIDING BEARINGS FOR MEANS OF TRANSPORT Open
The field of application of metal-polymer bearings is vast: transport of various types, processing industry equipment, medical equipment, various types of maintenance equipment, etc. With the use of the developed generalized author's analy…
View article: Investigation of Wear Resistance of Polyamide PA6 Based Composite Materials for Metal - Polymer Plain Bearings and Gears
Investigation of Wear Resistance of Polyamide PA6 Based Composite Materials for Metal - Polymer Plain Bearings and Gears Open
Metal-polymer plain bearings and gears are becoming increasingly used in many areas of human activity. The wear resistance of one group of such materials - unreinforced polyamides PA6, PA66, and composites with fillers РА6+30GF, РА6+30CF, …
View article: Study of Contact Parameters in Metal-On-Plastic Hip Endoprosthesis with the Analytical-Numerical Method of Contact Mechanics
Study of Contact Parameters in Metal-On-Plastic Hip Endoprosthesis with the Analytical-Numerical Method of Contact Mechanics Open
The purpose is to analyze the influence of the elastic characteristics of the materials of the tribological pair: acetabular–femoral head on the maximum pressures in the hip joint endoprosthesis. Based on the proprietary calculation method…
View article: Evaluation of Wear Resistance of Functional Composite Polymeric Materials and Durability of Metal-Polymer Bearings
Evaluation of Wear Resistance of Functional Composite Polymeric Materials and Durability of Metal-Polymer Bearings Open
A method of tribological testing of models with such sliding friction using a simple pin-on-disc mechanism was presented. Wear resistance indicators of unfilled polyamides PA6, PA66 and composites based on polyamide PA6+30GF, PA6+30CF, PA6…
View article: Predictive Assessment of Maximum Contact Pressures in Metal-on-Polymer Hip Joint Implants by Analytical Method and FEM
Predictive Assessment of Maximum Contact Pressures in Metal-on-Polymer Hip Joint Implants by Analytical Method and FEM Open
In more than 90% of hip replacements, the acetabular cup is made of ultra-high molecular weight polyethylene (UHMWPE) and the femoral head is made of stainless steel, cobalt-chromium-molybdenum alloys, titanium or ceramic. The primary fact…
View article: Comparison of Load-Carrying Capacity, Wear, and Resource of Metal-Polymer Corrected Spur Gears with a Gear Made of Polyamides РА6 or PA6+30CF
Comparison of Load-Carrying Capacity, Wear, and Resource of Metal-Polymer Corrected Spur Gears with a Gear Made of Polyamides РА6 or PA6+30CF Open
Based on the developed calculation research method of metal-polymer gears the analysis of the influence of height and angular correction of engagement of spur gears on load-carrying capacity, linear teeth wear, and resources is carried out…
View article: Investigations on Contact Pressures and Durability of Metal-Polymer Dry Sliding Bearings with Miniature, Small and Large Diameters
Investigations on Contact Pressures and Durability of Metal-Polymer Dry Sliding Bearings with Miniature, Small and Large Diameters Open
Shaft diameters of sliding bearings, including metal-polymer, can be much differentiated. The carrier capacity and durability of metal-polymer (MP) sliding bearings of miniature, small, medium and large diameters were investigated accordin…
View article: A Study on the Relationship Between Contact Pressures in a Grade2 TDN–UHMWPE Hip Implant: Young’s Modulus and Poisson’s Ratio
A Study on the Relationship Between Contact Pressures in a Grade2 TDN–UHMWPE Hip Implant: Young’s Modulus and Poisson’s Ratio Open
Statistical data show that over 90% hip implants have the acetabular cup made of ultra-high molecular weight polyethylene (UHMWPE), while the femoral head is made of stainless steel, CoCrMo alloy, titanium and ceramics. The values of Young…
View article: Investigation of the Effect of Young’s Modulus on the Contact Strength of Metal Polymer Plain Bearings
Investigation of the Effect of Young’s Modulus on the Contact Strength of Metal Polymer Plain Bearings Open
Using the author's method of research of hybrid (metal-polymer) plain bearings the calculation of their load carrying capacity (contact pressures) is carried out. Studies have been conducted for metal-polymer bearings with a bushing of two…
View article: Study of the Influence of Temperature on Contact Pressures and Resource of Metal-Polymer Plain Bearings with Filled Polyamide PA6 Bushing
Study of the Influence of Temperature on Contact Pressures and Resource of Metal-Polymer Plain Bearings with Filled Polyamide PA6 Bushing Open
It is known that the elastic characteristics of polyamides change with increasing temperature; in particular, the Young’s modulus decreases significantly. This fact is practically not taken into account in design calculations of metal-poly…
View article: Modeling of load carrying capacity and durability of metal-polymer spur gears made of polyamide RA6 based compositions
Modeling of load carrying capacity and durability of metal-polymer spur gears made of polyamide RA6 based compositions Open
Based on the author's method of calculation of metal-polymer (MP) gears, the study of load carrying capacity and durability of metal-polymer spur gears with a gear made of unfilled polyamides PA6, PA66, and polyamide PA6 based composites f…
View article: Computational Method for Estimating Contact Parameters and Service Life of Cylindrical Metal-Polymer Sliding Guides
Computational Method for Estimating Contact Parameters and Service Life of Cylindrical Metal-Polymer Sliding Guides Open
The method of calculating the contact strength and service life of cylindrical metal-polymer sliding guides (linear bearings) based on the author's research methodology of the wear kinetics of materials during sliding is given. The influen…
View article: Predictive Estimation of Sliding Bearing Load-Carrying Capacity and Tribological Durability
Predictive Estimation of Sliding Bearing Load-Carrying Capacity and Tribological Durability Open
A computational method is presented as a method for solving a plane contact problem of the theory of elasticity to determine the contact strength and tribological durability of sliding bearings. The effect of load and radial clearance on t…
View article: Calculation of Contact Pressures in Cylindrical Metal-Polymer Sliding Guides
Calculation of Contact Pressures in Cylindrical Metal-Polymer Sliding Guides Open
Guides (linear plain bearings) of reciprocating motion are widely used in many areas of human activity. However, at present there are no reasonable methods for their calculation, in particular metal-polymer guides. The author's method of c…
View article: Influence of Temperature on Contact Pressures and Resource of Metal-Polymer Plain Bearings with the Filled Polyamide PA6 Bushing
Influence of Temperature on Contact Pressures and Resource of Metal-Polymer Plain Bearings with the Filled Polyamide PA6 Bushing Open
It is known that the elastic characteristics of polyamides change with increasing temperature, in particular, the Young's modulus decreases significantly. This fact is practically not taken into account in design calculations of metal-poly…
View article: Prediction of the contact pressures and resource of metal-polymer linear cylindrical plain bearings
Prediction of the contact pressures and resource of metal-polymer linear cylindrical plain bearings Open
Different types of linear bearings (guides) are widely used in practice in various equipment, as in many other areas of human activity. In particular, this applies to cylindrical guides (linear plain bearings) of reciprocating motion. Howe…
View article: Calculated Assessment of Contact Strength, Wear and Resource of Metal-Polymer Gears Made of Dispersion-Reinforced Composites
Calculated Assessment of Contact Strength, Wear and Resource of Metal-Polymer Gears Made of Dispersion-Reinforced Composites Open
The method of calculating the wear and life of gears with metal wheels is used to analyze the bearing capacity and tribotechnical characteristics of metal‐polymer gears with wheels made of a dispersion‐reinforced composite – polyamide fill…
View article: Analytical assessment of the sliding friction coefficient influence on durability, wear and contact pressure in spur gears
Analytical assessment of the sliding friction coefficient influence on durability, wear and contact pressure in spur gears Open
The research of influence of sliding friction coefficient on durability is carried out for gear train containing steel wheels and metal-polymer gear trains containing polyamide gears reinforced with carbon and glass dispersion fibers. The …
View article: To the Question of Calculation of Contact Pressure in MetalPolymer Plain Bearings During Wear
To the Question of Calculation of Contact Pressure in MetalPolymer Plain Bearings During Wear Open
A method for calculating hybrid (metal-polymer) plain bearings for contact strength (bearing capacity) is
View article: Methodology of Calculation of Metal-polymer Sliding Bearings for Contact Strength, Durability and Wear
Methodology of Calculation of Metal-polymer Sliding Bearings for Contact Strength, Durability and Wear Open
The methodology of calculation of hybrid (metal-polymer) sliding bearings by load capacity, durability and wear of the bushing made of reinforced polymer composites, in particular polyamide filled with glass or carbon dispersed fibers, is …
View article: Experimental Estimation of Wear Resistance of Polyamide Composites, Reinforced By Carbon and Glass Fibres Used in Metal-Polymer Gearings
Experimental Estimation of Wear Resistance of Polyamide Composites, Reinforced By Carbon and Glass Fibres Used in Metal-Polymer Gearings Open
The method of model triboexperimental studies to determine the basic mathematical model parameters of materials wear resistance at sliding friction is considered. The quantitative relative experimental characteristics of wear resistance of…
View article: On the Question of Methodology of Hybrid Sliding Bearings Estimated Load Capacity and Durability Evaluation
On the Question of Methodology of Hybrid Sliding Bearings Estimated Load Capacity and Durability Evaluation Open
The method of calculation of hybrid (metal-polymer) sliding bearings according to the load capacity and durability of the bushing made of polyamide filled with glass or carbon dispersed fibers is presented. The initial contact pressures we…
View article: Research of Influence of Engagement Pairing of the Corrected Worm Gear with Involute Worm on the Life and Contact Pressure
Research of Influence of Engagement Pairing of the Corrected Worm Gear with Involute Worm on the Life and Contact Pressure Open
The impact of meshing type in involute worm gears as well as the effect of tooth correction and their wear are analyzed by the author’s own method for calculating worm gear life. Qualitative and quantitative regularities are established re…
View article: Prediction of the Service Life of Metal-Polymer Gears Made of Glass and Carbon Fibre-Reinforced Polyamide, Considering the Impact of Height Correction
Prediction of the Service Life of Metal-Polymer Gears Made of Glass and Carbon Fibre-Reinforced Polyamide, Considering the Impact of Height Correction Open
Calculation methods for predicting the service life of metal-polymer gears with height correction are proposed. Two methods for gear service life estimation are presented: a simplified method that assumes constant tooth interaction conditi…
View article: Calculation Method for Assessing Contact Parameters in the Hip Prosthesis Made of Thermo-diffusion Nitrided Grade 2 / ultra-high Molecular Weight Polyethylene
Calculation Method for Assessing Contact Parameters in the Hip Prosthesis Made of Thermo-diffusion Nitrided Grade 2 / ultra-high Molecular Weight Polyethylene Open
In this paper, the author proposes a new calculation method for calculating contact parameters (i.e., maximum contact pressures, angle and diameter of contact) in the hip prosthesis made of thermo-diffusion nitrided (TDN) Grade 2 and ultra…
View article: Method of calculation of tribotechnical characteristics of the metal-polymer gear, reinforced with glass fiber, taking into account the correction of tooth
Method of calculation of tribotechnical characteristics of the metal-polymer gear, reinforced with glass fiber, taking into account the correction of tooth Open
The paper proposes a new method for calculating the service life, wear and contact pressures of metal-polymer gear drives with a correction profile. The effects of height and angular modification in a gear drive made of dispersive glass fi…
View article: A Method for Predicting Contact Strength and Life of Archimedes and Involute Worm Gears, Considering the Effect of Wear and Teeth Correction
A Method for Predicting Contact Strength and Life of Archimedes and Involute Worm Gears, Considering the Effect of Wear and Teeth Correction Open
A new method developed by the author is used to investigate the effect of wear of worm wheel teeth on variations in their curvature radius and that of teeth correction in Archimedes and involute worm gears on their contact strength, wear a…
View article: CALCULATION METOD FOR THE EVALUATION OF INFLUENCE OF TOOTH ENGAGAMENT PARITY IN CONICAL SPUR GEAR ON CONTACT PRESSURES, WEAR AND DURABILITY
CALCULATION METOD FOR THE EVALUATION OF INFLUENCE OF TOOTH ENGAGAMENT PARITY IN CONICAL SPUR GEAR ON CONTACT PRESSURES, WEAR AND DURABILITY Open
The paper presents the results of research undertaken to determine maximum contact pressures, wear and life of conical gears, taking account gear technological correction, tooth engagement and wear-generated changes in curvature of their i…