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Wyszukujesz frazę "Fu, Yongjun" wg kryterium: Autor


Wyświetlanie 1-2 z 2
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
    Wyświetlanie 1-2 z 2

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