Temat: impact toughness - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Low Alloy Steel Structures After Welding with Micro-Jet Cooling
Autorzy:: Węgrzyn, T.
Piwnik, J.
Hadryś, D.
Wszołek, Ł.
Powiązania:: https://bibliotekanauki.pl/articles/356533.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: welding
micro-jet
impact toughness
steel
Opis:: The paper focuses on low alloy steel after innovate welding method with micro-jet cooling. Weld metal deposit (WMD) was carried out for welding and for MIG and MAG welding with micro-jet cooling. This method is very promising mainly due to the high amount of AF (acicular ferrite) and low amount of MAC (self-tempered martensite, retained austenite, carbide) phases in WMD. That structure corresponds with very good mechanical properties, ie. high 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 and nitrogen were tested as micro-jet gases. In that paper first time various gas mixtures (gas mixtures Ar-CO2) were tested for micro-jet cooling after welding.
Źródło:: Archives of Metallurgy and Materials; 2017, 62, 1; 115-118
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Compressive Strength of Steel Frames after Welding with Micro-Jet Cooling
Autorzy:: Hadryś, D.
Węgrzyn, T.
Piwnik, J.
Wszołek, Ł.
Węgrzyn, D.
Powiązania:: https://bibliotekanauki.pl/articles/351848.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: welding
micro-jet cooling
plastic properties
compressive tests
impact toughness
Opis:: Low carbon steel weld structures generally exhibit a very linear stress-strain relationship. In the study of strength of materials, the compressive strength is the capacity of a material or structure to withstand loads tending to reduce size of structure. It is mainly measured by plotting applied force against deformation in a testing machine. Compressive strength is a main key value for design of welded structures.The main goal of that paper was analysing of plastic properties of frame welds which were made with various parameters of micro-jet cooling. New technology of micro-jet welding could be regarded as a new way to improve plastic properties of welds. It allows to obtain welds with better mechanical properties in comparison to ordinary welding method. Furthermore it is possible to steering of weld structure and properties of the weld. There were given main information about influence of various micro-jet gases on metallographic and properties of structure steel welds.
Źródło:: Archives of Metallurgy and Materials; 2016, 61, 1; 123-126
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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