Temat: cooling system - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: New Technological Concept for Thermal Spray Protective Coatings
Autorzy:: Szczucka-Lasota, B.
Piwnik, J.
Powiązania:: https://bibliotekanauki.pl/articles/353107.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: cooling system
micro-injector
technological concept
Opis:: Thermally spraying with micro-jet cooling is an innovate technology. It is possible to get fine dispersive structure of coatings during the shorter time in comparable to the classical high velocity oxygen fuel process (HVOF). It corresponds with good corrosion-erosion properties of structure. In the paper the parameters of the spraying with micro-jet cooling process are presented. The selected properties of coatings obtained by hybrid method are presented. The results of wear tests for hybrid and HVOF coating are compared. Results of investigation are very optimistic. The presented technology should be adapted to the actual production of protective coating for machines and construction working in wear conditions.
Źródło:: Archives of Metallurgy and Materials; 2017, 62, 3; 1499-1504
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Filler materials for MAG welding with microjet cooling for truck frame repairs
Autorzy:: Szczucka-Lasota, B.
Węgrzyn, T.
Powiązania:: https://bibliotekanauki.pl/articles/197396.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:: MAG welding
cooling system
welded construction
truck
transport
spawanie MAG
system chłodzenia
konstrukcja spawana
samochód ciężarowy
Opis:: The goal of this paper is to analyse the mechanical properties of the weld steel structure of car body truck frames following MAG welding repairs using various filler materials. The main role of welding conditions is connected with filler materials, welding technology, stress state and temperature. In the paper, the properties of steel structures after MAG welding with microjet cooling are presented. Weld metal deposits (WMDs) were prepared by using various welding wires with different chemical compositions. A WMD with various nickel content was examined using three different welding wires; simultaneously, a WMD with varied oxygen content was examined using different gas mixtures for microjet cooling. In this study, the metallographic structure and impact toughness of welded joints were analysed in terms of welding parameters. The amount of acicular ferrite (AF) in WMDs, with various amounts of nickel and oxygen after welding, was tested. The various steel deposits were checked with the variable content of manganese and silicon, as well as nickel. Gas mixtures of argon and carbon dioxide were used for microjet cooling.
Źródło:: Zeszyty Naukowe. Transport / Politechnika Śląska; 2018, 101; 215-226
0209-3324
2450-1549
Pojawia się w:: Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Selected Parameters of Micro-Jet Cooling Gases in Hybrid Spraying Process
Autorzy:: Szczucka-Lasota, B.
Węgrzyn, T.
Stanik, Z.
Piwnik, J.
Sidun, J.
Powiązania:: https://bibliotekanauki.pl/articles/352250.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: hybrid system
thermal spraying
type of cooling stream
Opis:: The innovative technology, like thermal spraying with a micro-jet cooling is one of the important modification of classical ultrasonic spraying methods. Using of micro-stream with gases like argon or nitrogen allows to cool the coating immediately after spraying, and thereby reduce the time of transition during the injection of each layer. As a result of the process, the fine dispersive structure of coatings is obtained during the shorter time in comparable to the classical high velocity oxygen fuel process (HVOF). The parameter of process and the type of stream equipment determine the quality of the obtained structure and thermal stress in the coating. The article presents the relationship between selected parameters of hybrid process and properties of the coatings. The presented technology should be adapted to the actual production of protective coating for machines and construction working in wear conditions.
Źródło:: Archives of Metallurgy and Materials; 2016, 61, 2A; 621-624
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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