Autor: Wegrzyn, Z - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Impact Toughness of Steel WMD after TIG Welding
Autorzy:: Węgrzyn, T.
Piwnik, J.
Stanik, Z.
Węgrzyn, D.
Sieteski, D.
Powiązania:: https://bibliotekanauki.pl/articles/355102.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: TIG
welding
micro-jet
oxygen in WMD
acicular ferrite
impact toughness
Opis:: The material selected for this investigation was low alloy weld metal deposit after TIG welding with various amount of oxygen in weld metal deposit (WMD). After TIG process it is difficult to get proper amount of oxygen in WMD on the level much lower than 350 ppm. The highest impact toughness of low alloy WMD corresponds with the amount of oxygen in WMD above 350 ppm. In the paper focuses on low alloy steel after innovate welding method with micro-jet cooling that could be treated as a chance on rising amount of oxygen in weld. Weld metal deposit (WMD) was carried out for TIG welding with micro-jet cooling with various amount of oxygen in WMD. In that paper various gas mixtures (gas mixtures Ar-O₂ and Ar-CO₂) were tested for micro-jet cooling after TIG welding. An important role in the interpretation of the results can give methods of artificial intelligence.
Źródło:: Archives of Metallurgy and Materials; 2017, 62, 3; 1647-1650
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Mathemathical Equations of the Influence of Molybdenum and Nitrogen in Welds
Autorzy:: Węgrzyn, T.
Kamińska, J.
Piwnik, J.
Stanik, Z.
Powiązania:: https://bibliotekanauki.pl/articles/352317.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: welding
steel
micro-jet
ferrite
impact toughness
equations
Opis:: The paper offers mathematical equations of the influence of micro-jet cooling on structure and impact toughness properties of metal weld deposit. Weld metal deposit (WMD) was carried out for standard MIG welding and for MIG welding with micro-jet cooling. This new method is very promising mainly due to the high amount of AF (acicular ferrite) and low amount of MAC (selftempered martensite, retained austenite, carbide) phases in WMD. That structure corresponds with very good mechanical properties ie. good impact toughness of welds at low temperature. Micro-jet cooling after welding can find serious application in automotive industry very soon. Until that moment only argon, helium, nitrogen and gas mixtures of argon were tested for micro-jet cooling after welding. The best results of mechanical properties of WMD in presented welding method correspond with micro-jet argon cooling.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 1; 83-86
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Micro-jet Cooling by Compressed Air after MAG Welding
Autorzy:: Węgrzyn, T.
Piwnik, J.
Tarasiuk, W.
Stanik, Z.
Gabrylewski, M.
Powiązania:: https://bibliotekanauki.pl/articles/381574.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: MAG
steel weld
welding
microjets
cooling
acicular ferrite
impact toughness
compressed air
stal stopowa
spawanie
udarność
chłodzenie
Opis:: The material selected for this investigation was low alloy steel weld metal deposit (WMD) after MAG welding with micro-jet cooling. The present investigation was aimed as the following tasks: analyze impact toughness of WMD in terms of micro-jet cooling parameters. Weld metal deposit (WMD) was first time carried out for MAG welding with micro-jet cooling of compressed air and gas mixture of argon and air. Until that moment only argon, helium and nitrogen and its gas mixture were tested for micro-jet cooling.
Źródło:: Archives of Foundry Engineering; 2016, 16, 2; 111-114
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Identification and genetics of betaglobulin [BgC1] and alphaglobulin [AmiF1] antigenic markers in cattle
Autorzy:: Wegrzyn, J
Skiba, E
Wegrzyn, Z
Powiązania:: https://bibliotekanauki.pl/articles/2047266.pdf
Data publikacji:: 1996
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: genetics
alpha-globulin
serum
cattle
antigenic determinant
protein
beta-globulin
genetic marker
alpha-microglobulin
Opis:: Alloantibodies detecting antigenic determinants called BgC1 and AmiF1 were obtained in cattle. The analysis of determinants' inheritance was done on 1754 offsprings after 72 sires and 1740 dams. The molecule-carriers of both traits were characterized using serological and physico-chemical methods. It was found that the identified determinants are markers of beta-globulin and alpha-microglobulin proteins, and of autosomal, dominant genes BgC1 and AmiF1 from independent loci, which control them.
Źródło:: Journal of Applied Genetics; 1996, 37, 3; 285-292
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Inwentaryzacja zadrzewień na podstawie zdjeć lotniczych (na przykładzie gminy Olesno)
Inventory of tree plantings on the base of aerial photographs (exemplified by the commune Olesno)
Autorzy:: Walecki, M.
Wegrzyn, Z.
Powiązania:: https://bibliotekanauki.pl/articles/823190.pdf
Data publikacji:: 1986
Wydawca:: Polskie Towarzystwo Leśne
Źródło:: Sylwan; 1986, 130, 6
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

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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Skocz do pozycji: 7.

Tytuł:: The use of compressed air for micro-jet cooling after MIG welding
Autorzy:: Hadryś, D.
Węgrzyn, T.
Piwnik, J.
Stanik, Z.
Tarasiuk, W.
Powiązania:: https://bibliotekanauki.pl/articles/355175.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: MIG
welding
micro-jet
nitrogen and oxygen in WMD
acicular ferrite
impact toughness
compressed air
Opis:: The material selected for this investigation was low alloy steel weld metal deposit (WMD) after MIG welding with micro-jet cooling. The present investigation w*as aimed as the following tasks: obtained WMD with various amount of acicular ferrite and further analyze impact toughness of WMD in terms of acicular ferrite amount in it. Weld metal deposit (WMD) was first time carried out for MIG welding with micro-jet cooling of compressed air and gas mixture of argon and air. Until that moment only argon, helium and nitrogen were tested as micro-jet gases for MIG/MAG processes. An important role in the interpretation of the results can give methods of artificial intelligence.
Źródło:: Archives of Metallurgy and Materials; 2016, 61, 3; 1405-1408
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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