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Wyszukujesz frazę "mechanical features" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Define the type of tribological wear of high speed steel remelted with the electric arc with the usage of the confocal microscope
Autorzy:
Dziedzic, A.
Powiązania:
https://bibliotekanauki.pl/articles/382857.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
obróbka cieplna
właściwości mechaniczne
metalografia
mikroskop konfokalny
stal szybkotnąca
przetapianie
łuk elektryczny
zużycie tribologiczne
heat treatment
mechanical features
metallography
confocal microscope
high-speed steel
remelting
electric arc
Opis:
The paper presents the possibility of the usage of the concfocal microscope for define the type of tribological wear present during the technical dry friction on the testing machine of the pin-on-disc T-01M. The pin was a remelted high-speed steel and the disc was made from sintered carbides. The surface layer of the high-speed steel was remelted with the electric arc with different parameters. The intensity of the electric arc current was changed, the scanning speed and the single, overlapping remeltings were used. On the basis of the 3D, 2D view of the surface friction of the pin (made from the remelted high-speed steel), disc (made from the sintered carbides) and the surface roughness profile run along the marked line, the presence of the abrasive wear can be defined with the description of the elementary wear processes due to the abrasive and/or adhesive wear.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 153-158
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of polymer ring springs
Autorzy:
Wróbel, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/2201137.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
ring springs
polymer materials
geometric features
design
mechanical characteristics
friction
sprężyny pierścieniowe
materiały polimerowe
cechy geometryczne
konstrukcja
charakterystyka mechaniczna
tarcie
Opis:
Purpose: The paper discusses selected aspects of the use of polymeric materials in the construction of ring springs. Design/methodology/approach: Special attention is paid to differences in characteristics of such materials in comparison to springs made of traditional material - steel. Findings: The result of the work is a static-dynamic model of polymer ring springs. An analysis of the influence of friction on the performance characteristics was carried out. The results of the preliminary experimental studies confirm the correctness of the model. Practical implications: Analytical models have been developed, as tools to support the design processes of ring spring structures, in the field of innovative material solutions. They are a tool for the selection of geometric and material characteristics of springs, meeting the set operational expectations. Originality/value: Extensive possibilities in the selection among a group of structural polymer materials allow the formation of structural solutions with a variety of characteristics, both elastic and impact or damping. The area of application ranges from mechanical engineering to construction or transportation. The characteristics complement the possible field of solutions in cases of use of traditional metallic materials, especially high-grade steels. Material solutions make it possible to achieve significant economic effects in addition to unavailable performance characteristics, both static and dynamic. These are due to competitive prices for polymer materials, including composites, and manufacturing costs. They open up a wide field for utility innovations.
Źródło:
Archives of Materials Science and Engineering; 2022, 113, 3; 13--23
1897-2764
Pojawia się w:
Archives of Materials Science and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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