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    Wyświetlanie 1-2 z 2
    Tytuł:
    Welding of mobile platform elements made from mixed grades of high-strength steels
    Autorzy:
    Szczucka-Lasota, Bożena
    Węgrzyn, Tomasz
    Łazarz, Bogusław
    Lukaszkowicz, Krzysztof
    Jurek, Adam
    Wilczyński, Krzysztof Ireneusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2091137.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    civil engineering
    transport
    mobile platforms
    welding
    inżynieria lądowa
    platformy mobilne
    spawanie
    Opis:
    In the mobile platform structure, there is an increasing necessity to weld steels from the various groups. For instance, it has become necessary to connect AHSS (Advanced High-Strength Steel) with fine-grained steels. This article verifies the possibility of obtaining accurate mixed welded joints from different grades of DOCOL 1400 steel (from the AHSS group) with S700 MC steel (from the fine-grained steel group). The structure, quality and mechanical properties of the obtained welded joints were thoroughly analysed. The joints were made at various welding speed with preheating to 80°C and without preheating.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2020, 107; 197--203
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Welding of S355J+N low alloy steel elements in railway carriages structures
    Autorzy:
    Szczucka-Lasota, Bożena
    Węgrzyn, Tomasz
    Łazarz, Bogusław
    Jurek, Adam
    Wilczyński, Krzysztof I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2091224.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    transport
    welding
    carriages
    spawanie
    wagony
    Opis:
    Various types of structures and materials play an important role in the creation modern means of transport, including various grades of steel with different mechanical properties. For the rolling stock, proper operation and meeting the operational conditions is very important. Welded structures play an important role in the construction of various means of transport. Correct welding of carriages is important both in production and when carrying out various types of repairs. Each repair a carriage depends on its advancement and condition and the time of its operation. Each inspection for a refurbished carriage is defined either by the service life or the big distance traveled by the carriage. Important factor that may lead to damage is the effect of the load transported in the carriage. Therefore, the causes of the wear of the rolling stock are investigated and measures are taken to prevent any damage. The appropriate technical condition of the carriage also ensures safety on railroads for users and owners of the rolling stock. In the case of welded structures in carriages, it is influenced by poorly materials choice, incorrectly selected production processes and wrong selection of parameters. The goal of this paper is the mechanical properties analyse of weld low alloy steel structure of carriages after MAG welding using the parameters of the process. Thick-walled steel structures are used to build carriages, which is often a serious welding problem. The main role of welding conditions is connected with filer materials, welding technology, state of stress and temperature. In this paper, the properties of low alloy steel S3555J+N structures after MAG welding are presented. Furthermore, metallographic structure, tensile strength, bending test and impact toughness welded joints were analysed regarding welding parameters. The amount of acicular ferrite in WMD oxygen after welding was tested. Gas mixtures of argon and carbon dioxide with various percentage was used for shielding gas.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2021, 112; Bibliogr. 12 poz.
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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