Temat: Inconel 625 alloy - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Thermo-mechanical model of a TIG welding process for the aircraft industry
Model termo-mechaniczny procesu spawania TIG dla przemysłu lotniczego
Autorzy:: Hojny, M.
Powiązania:: https://bibliotekanauki.pl/articles/356046.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: deformations
welding
finite element modeling
Inconel 625 alloy
deformacja
spawanie
modelowanie elementów skończonych
stop Inconel 625
Opis:: TIG welding is the most important process, which is used in the aircraft industry. A number of components of airplane are made using this method. Thermo-mechanical models are needed to understand better phenomena involved in this process. In the presented work thermo-mechanical simulations were performed and the possibilities of welding distortion in the investigated process were evaluated. Comparison of the results of numerical simulation with the experimental data confirmed good predictive capabilities of the model and quite good description of the phenomena involved in this process.
Spawanie metodą TIG jest jedną z ważniejszych metod używanych w przemyśle lotniczym. Wiele komponentów samolotu powstaje dzięki tej metodzie. Model termo-mechaniczny wspomnianego procesu jest konieczny do dokładnej analizy zjawisk powstających podczas procesu. W prezentowanej pracy opracowano model termo-mechaniczny w kontekście analizy deformacji spawanych elementów. Porównanie otrzymanych wyników na drodze symulacji z wynikami eksperymentalnymi wykazało poprawne odwzorowanie zjawisk zachodzących podczas procesu spawania.
Źródło:: Archives of Metallurgy and Materials; 2013, 58, 4; 1125-1130
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Microstructure and Properties of Dissimilar Joints of AISI 430 Steel with Inconel 625 Obtained by Electron Beam Welding
Autorzy:: Dziekońska, Małgorzata
Jonda, Ewa
Sroka, Marek
Węglowski, Marek Stanisław
Jung, Tymoteusz
Powiązania:: https://bibliotekanauki.pl/articles/2201845.pdf
Data publikacji:: 2022
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: dissimilar joint
Inconel 625
Inconel 625 alloy
AISI 430
AISI 430 stainless steel
electron beam welding
microstructure
properties
Opis:: Electron Beam Welding (EBM) is a high-energy density fusion process where joint is bombarded to be welded with strongly focused beam of electrons. This method is often used for advanced materials and complex, critical parts, like turbine rotors, but it can also be used for many simpler processes involving large production runs. It is very suitable for butt welding materials of different thicknesses. The aim of this work was to study the microstructure, hardness, and electrochemical corrosion behavior between the dissimilar welds were investigated. Electron Beam Welding of dissimilar steel alloys Inconel 625 and AISI 430 was studied. In welding process there was used only welded materials without filling material. Results showed the microstructure of the weld solidified in dendritic morphology. The microstructure of fusion zone showed that dendrites grew in different directions for each grain. The dendrites and columnar grains are mainly exposed to the fusion boundary with some equiaxed grains. The hardness of the overall joint was non-uniform. The highest hardness of the HAZ/Inconel 625 (the heat-affected zone) was 258 HV, and the lowest weld zone hardness was 178 HV. The decrease in weld hardness may be due to the linear welding energy, which led to grain growth and excessive cooling. HAZ/AISI 430 steel has the lowest current density and the highest corrosion potential. Steel has a more negative corrosion potential and a lower corrosion current density than joints, likely due to higher levels of chromium. In this study, a metallographic investigation of the joints revealed no defects such as microcracks or pores. The melting temperatures of the two materials were quite different, but with the help of gravity, stainless steel acts as a permanent joint, like a rivet.
Źródło:: Advances in Science and Technology. Research Journal; 2022, 16, 4; 232--242
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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