J. Borc
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View article: Characteristic Features of Structure and Analysis of Friction Behavior of Electric-Spark Coatings from Powder Wires
Characteristic Features of Structure and Analysis of Friction Behavior of Electric-Spark Coatings from Powder Wires Open
The structure, phase and chemical composition of electric-spark coatings (ESC) obtained on the Elitron installation from powder electrode wires were investigated using a Neophot-2 optical computer microscope, an EVO-40XVP (Carl Zeiss) scan…
View article: Effect of Surface Tilt on Nanoindentation Measurement on Copper and Glass
Effect of Surface Tilt on Nanoindentation Measurement on Copper and Glass Open
Results of an investigation of the effect of surface tilt in range of 0-6 deg on nanoindentation measurements under Berkovich indenter at different loads made on copper and glass surfaces are presented and discussed. It was found that: (1)…
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: 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: Matrix coatings based on anodic alumina with carbon nanostructures in the pores
Matrix coatings based on anodic alumina with carbon nanostructures in the pores Open
The nanoporous anodic alumina matrixes thickness of 1.5 mm and pore sizes of 45, 90 and 145 nm were formed on Si substrates. The tubular carbon nanostructures were synthesized into the matrixes pores by pyrolysis of fluid hydrocarbon xylen…