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    Wyświetlanie 1-2 z 2
    Tytuł:
    Fabrication of Metal Gas Filter by Material Extrusion Additive Manufacturing Process
    Autorzy:
    Yi, Yu-Jeong
    Lee, Min-Jeong
    Yun, Su-Jin
    Park, Manho
    Kim, Ju-Yong
    Lee, Jungwoo
    Yun, Jung-Yeul
    Powiązania:
    https://bibliotekanauki.pl/articles/2174560.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    gas filter
    additive manufacturing
    stainless steel
    porosity
    powder size
    Opis:
    Recently, 3D printing processes have been used to manufacture metal powder filters with manufacturing complex-shape. In this study, metal powder filters of various shapes were manufactured using the metal extrusion additive manufacturing (MEAM) process, which is used to manufacture three-dimensional structures by extruding a filament consisting of a metal powder and a binder. Firstly, filaments were prepared by appropriately mixing SUS316 powder with sizes ranging from 7.5 µm to 50 µm and a binder. These filaments were extruded at temperatures of 100℃ to 160℃ depending on the type of filament being manufactured, to form three types of cylindrical filter. Specimens were sintered in a high vacuum atmosphere furnace at 850℃ to 1050℃ for 1 hour after debinding. The specimens were analyzed for permeability using a capillary flow porometer, porosity was determined by applying Archimedes’ law and microstructure was observed using SEM.
    Źródło:
    Archives of Metallurgy and Materials; 2022, 67, 4; 1517--1520
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on Magnetic Properties of the U-Type Ferrite According to Substituted Elements
    Autorzy:
    Jeong, Kwang-Pil
    Kim, Jeong-Gon
    Yang, Su-Won
    Yun, Jae-Ho
    Choi, Jin-Hyuk
    Powiązania:
    https://bibliotekanauki.pl/articles/354006.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    U-type ferrite
    hexagonal ferrite
    sol-gel process
    Opis:
    The magnetic properties of the U-type ferrite synthesized by a sol-gel process had studied by substituting cobalt with manganese or zinc in cobalt-based U-type ferrite. The substituted U-type ferrite showed a dominant crystal structure at a different substitution ratio of manganese and zinc. The change of the starting temperature of U-type ferrite formation according to substitutional elements was confirmed by TG-DTA analysis. In the case of manganese substitution, the starting temperature of U-type ferrite formation lowered, and on the contrary, when zinc was substituted, it became higher. The magnetic properties of the U-type ferrite substituted with manganese showed a tendency that the saturation magnetization was decreased and the coercivity was increased as the manganese ratio increased. The highest saturation magnetization was 57.9 emu/g in the specific composition (Ba4Co0.5Zn1.5Fe36O60) substituted with zinc.
    Źródło:
    Archives of Metallurgy and Materials; 2019, 64, 2; 501-505
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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