Autor: Brezinova, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Effect of tribological conditions for properties thermal spraying
Autorzy:: Landova, M.
Brezinova, J.
Powiązania:: https://bibliotekanauki.pl/articles/111891.pdf
Data publikacji:: 2017
Wydawca:: Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:: HVOF
High Velocity Oxygen Fuel
abrasive wear
Wc-FeCrAl
microhardness
jakość powłok
zużycie ścierne
mikrotwardość
paliwo tlenowe
Opis:: The present contribution deals with the influence of tribological conditions on coating quality. Two types of coatings were selected for analysis WC-WB-CO and WC-FeCrAl, to advise that a new type of coating - carbide green. These coatings were applied to the base material AISI 316L of technology HVOF – High velocity oxygen fuel. The aim of the experimental study was to determine the quality coatings and its resistance to abrasive wear, depending on the number of thermal cycles. It was evaluated hardness, thickness, the resistance to abrasive wear in free abrasives and firmly bonded abrasives. Results of experiments showed a higher resistance of the coating WC-Co-WB.
Źródło:: Production Engineering Archives; 2017, 14; 37-39
2353-5156
2353-7779
Pojawia się w:: Production Engineering Archives
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Assessment tribological properties of coatings applied by HVOF technology
Autorzy:: Brezinová, J.
Guzanová, A.
Draganovská, D.
Egri, M.
Powiązania:: https://bibliotekanauki.pl/articles/386271.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: HVOF coatings
adhesion
hardness
porosity
wear resistance
powłoki HVOF
przyczepność
twardość
porowatość
odporność na zużycie
Opis:: In this article, the attention is paid to the HVOF (High Velocity Oxygen Fuel) thermal spraying method by which the progressive coatings are applied on basic material C15E (STN 412020). These coatings are based on C-17CO, WC-CO-Cr and Cr3C2-25NiCr. There was made determination of the chemical composition of the coatings and assessment of coatings quality - adhesion, microhardness, porosity and wear resistance at room temperature (21°C) and also at operational elevated temperature (900°C). Results of adhesive wear showed high quality of all evaluated coatings and their suitability to extreme tribological conditions.
Źródło:: Acta Mechanica et Automatica; 2013, 7, 3; 135-139
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Study of selected properties of thermally sprayed coatings containing WC and WB hard particles
Autorzy:: Brezinová, J.
Guzanová, A.
Draganovská, D.
Maruschak, P. O.
Landová, M.
Powiązania:: https://bibliotekanauki.pl/articles/386724.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: coating
HVOF
adhesion
friction coefficient
thermal loading
analiza metalograficzna
adhezja
powłoka odporna na zużycie
Opis:: The paper presents results of research of the essential characteristics of two kinds of advanced coatings applied by HVOF technology. One studied coating: WB-WC-Co (60-30-10%) contains two types of hard particles (WC and WB), the second coating is ecofriendly alternative to the previously used WC-based coatings, called "green carbides" with the composition WC-FeCrAl (85-15%). In green carbides coating the heavy metals (Co, Ni, NiCr) forming the binding matrix in conventional wear-resistant coatings are replaced by more environmentally friendly matrix based on FeCrAl alloy. On the coatings was carried out: metallographic analysis, measurement of thickness, micro-hardness, adhesion, resistance to thermal cyclic loading and adhesive wear resistance (pin-on-disk test). One thermal cycle consisted of heating the coatings to 600°C, dwell for 10 minutes, and subsequently cooling on the still air. The number of thermal cycles: 10. The base material was stainless steel AISI 316L, pretreatment prior to application of the coating: blasting with white corundum, application device JP-5000.
Źródło:: Acta Mechanica et Automatica; 2016, 10, 4; 296-299
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Deformation and energy parameters of fracture of steel of the main gas pipeline
Autorzy:: Maruschak, P
Panin, S
Polyvana, U
Vuherer, T.
Guzanová, A.
Brezinová, J.
Powiązania:: https://bibliotekanauki.pl/articles/102385.pdf
Data publikacji:: 2015
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: impact toughness
main gas pipeline
failure analysis
Opis:: By example of steel 17G1S, the regularities in the impact fracture of Charpy specimens at normal and low temperatures are described. The relationship between the energy parameters of fracture (impact toughness) and the deformation response of the material (the height of shear lips) of the specimens from the pipe steel is established. The micromechanisms of impact fracture of the material are described. At 20 °C and –30 °C, focal splitting of the material was observed on the fracture surface of specimens; at –60 °C, the material failed in a brittle manner by the mechanism of cleavage.
Źródło:: Advances in Science and Technology. Research Journal; 2015, 9, 28; 40-46
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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