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Wyszukujesz frazę "Yang, Haibo" wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Effect of Particle Sizes of Slag on Reduction Characteristics of Nickel Slag-Coal Composite Briquette
    Autorzy:
    Li, Xiaoming
    Li, Yi
    Xing, Xiangdong
    Wang, Yanjun
    Wen, Zhenyu
    Yang, Haibo
    Powiązania:
    https://bibliotekanauki.pl/articles/2049420.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    resources reutilization
    nickel slag
    particle size
    direct reduction
    reduction characteristics
    Opis:
    Nickel slag has a high-content iron and is a secondary utilization resource with great development potential. The coal-based direct reduction is an innovative technology that can be used to utilize the iron resources in nickel slag. The effect of the particle size of nickel slag on the strength and the reduction of nickel slag-coal composite briquettes were investigated. Four samples with particle size of 75~106 μm, 106~150 μm, 150~270 μm, and >270 μm were selected. The drop strength increased 9.4 times and the compressive strength reached 281.1 N when the nickel slag particle size decreased from >270 μm to 75~106 μm. The reduction degree determined by the data from the thermogravimetric experiment indicated that its maximum was 79.545%. The reduction experiments performed at 1200°C for 45 minutes indicated that the nickel slag with particle sizes between 75~106 μm were appropriate for the reduction of the nickel slag-coal composite briquettes.
    Źródło:
    Archives of Metallurgy and Materials; 2021, 66, 1; 127-134
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Free vibration and buckling analysis of composite laminated shells using the refined zigzag theory
    Autorzy:
    Zhang, Haibo
    Gao, Yihang
    He, Dan
    Yang, Wanli
    Powiązania:
    https://bibliotekanauki.pl/articles/2104757.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    composite
    shell
    buckling
    free vibration
    refined zigzag theory
    Opis:
    In this study, a new composite laminated shell model is proposed for free vibration and stability analysis based on the refined zigzag theory (RZT). In contrast to the published shell models based on the first-order shear deformation theory (FSDT), piecewise-linear zigzag functions are utilized to provide a more realistic representation of deformation states of a transverse shear-flexible shell. In the present formulation, the governing equations and boundary conditions of composite laminated shells are established by d’Alembert’s principle to obtain natural frequencies and critical buckling loadings. In order to evaluate the effectiveness and performance of the present new model for composite laminated shells, examples of free vibration and buckling analysis are carried out for cylindrical and spherical shells involving different lamination schemes and design parameters. The results are compared with the three dimensional (3D) exact, first-order and some high-order solutions in the literature. Numerical results show that the present model not only has high accuracy but also has superior computational efficiency in comparison with high-order models, such that it may show a great potential in engineering applications.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2022, 60, 3; 435--448
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A review of digital filtering in evaluation of surface roughness
    Autorzy:
    He, Baofeng
    Zheng, Haibo
    Ding, Siyuan
    Yang, Ruizhao
    Shi, Zhaoyao
    Powiązania:
    https://bibliotekanauki.pl/articles/1849137.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    surface roughness
    profile filtering
    areal filtering
    surface engineering
    Opis:
    Surface roughness is an important indicator in the evaluation of machining and product quality, as well as a direct factor affecting the performance of components. A rapidly developing filtering technology has become the main means of extracting surface roughness. The International Organization for Standardization (ISO) is constantly updating and improving the standard system for filtering technology in order to meet the requirements of technological development. Based on the filters already accepted by the international standard ISO 16610, this study briefly introduces the filtering principle of each filter, reviews the development of each filter in the application of surface roughness, and compares the advantages and limitations of their individual performances. The application range of each filter is summarized and, finally, the future direction of the digital filtering used in surface roughness is extrapolated.
    Źródło:
    Metrology and Measurement Systems; 2021, 28, 2; 217-253
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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