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    Wyświetlanie 1-3 z 3
    Tytuł:
    Research on the Characterization of Ti Inclusions and Their Precipitation Behavior in Tire Cord Steel
    Autorzy:
    Lei, Jialiu
    Zhao, Dongnan
    Fu, Yongjun
    Xu, Xianfeng
    Powiązania:
    https://bibliotekanauki.pl/articles/383339.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    precipitation behavior
    Ti inclusions
    concentration product
    tire cord steel
    characterization
    linka stalowa
    wtrącenia Ti
    odpady
    Opis:
    In the present investigation, the morphology of Ti inclusions in high strength tire cord steel was investigated and their precipitation behavior was discussed using a precipitation and growth model. The results show that Ti inclusions mainly exist in the form of TiN. The two-dimensional characterization of Ti inclusions is square-like with sharp edges and corners, while its three-dimensional shape exhibits a cubic or rectangular-prism morphology. The Ti inclusions do not precipitate when the solid fraction of tire cord during solidification is less than 0.987, and their final radius is closely related to the cooling rate and initial concentration product. The higher the cooling speed, the smaller the final radius, when the cooling speed is constant, the final radius of Ti inclusions is mainly determined by the initial concentration product, w[N]0×w[Ti]0. In order to retard the precipitation and growth of Ti inclusions in tire cord steel, the cooling rate and initial concentration product can be taken into consideration.
    Źródło:
    Archives of Foundry Engineering; 2019, 3; 33-37
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Formation Mechanism for the TiN-MnS Complex Inclusions in Tire Cord Steel
    Autorzy:
    Lei, Jialiu
    Wang, Xiumin
    Zhao, Dongnan
    Fu, Yongjun
    Powiązania:
    https://bibliotekanauki.pl/articles/1837727.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    tire cord steel
    thermodynamic calculations
    inclusions
    TiN-MnS
    formation mechanism
    kord stalowy
    obliczenia termodynamiczne
    inkluzje
    Opis:
    High strength tire cord steel is extensively used in radial ply tyres as the framework material, but the presence of brittle single titanium inclusions or complex titanium inclusions can cause failure of the wires and jeopardize their performance in production. In order to provide a key guidance on the control of titanium inclusions, it is necessary to clarify their formation mechanism during solidification. In the present work, the thermodynamic calculations were employed for an elaboration on their formation mechanism, combined with the industrial test. The TiN-MnS complex inclusions observed by SEM-EDS shows that the internal corresponds to TiN and the external is MnS. Thermodynamic calculations based on the microsegregation model indicate that MnS forms first, which can act as a nucleation site for the co-deposit of TiN in the mushy zone. As the MnS inclusions have a better deformation than that of TiN inclusions, then the TiN inclusions are wrapped by the MnS inclusions, generating TiN-MnS complex inclusions after rolling.
    Źródło:
    Archives of Foundry Engineering; 2021, 21, 2; 65-69
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Interaction of steel cord – elastomer in radial tyres for passenger vehicles
    Autorzy:
    Krmela, J.
    Benes, L.
    Krmelova, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/972990.pdf
    Data publikacji:
    2014
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    tire
    modulus of elasticity
    Mooney–Rivlin parameters
    steel cord
    elastomer
    computational modeling
    opona
    moduł sprężystości
    parametry Mooney-Rivlin
    lina stalowa
    modelowanie obliczeniowe
    Opis:
    The article focuses on determination of selected material characteristics of samples from different areas of various old passenger tyre casings and on determination of mechanical properties of specific composites with elastomeric matrix and steel reinforcement which are used as steel belts of tyre casing as a sample. These characteristics are used as input data for computational modelling of tyres. It was necessary to carry out various types of experiments to obtain these characteristics. In this article we present the values of the modules of elasticity calculated from the results of DMA tests and static tension tests of samples from old tyre casings and a cohesion test between steel cords and elastomeric matrix. The Mooney-Rivlin parameters, which are necessary input data into computational models of tyres and their parts, were determined from the experimental results. The computational models will be designed to be able to include the effect of aging of the individual tire casing parts. Knowledge of the degradation processes can lead to design and material changes that can increase the resistance of casings against selected forms of degradation processes.
    Źródło:
    Production Engineering Archives; 2014, 5, 4; 10-13
    2353-5156
    2353-7779
    Pojawia się w:
    Production Engineering Archives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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