이 켄칭 강관 부재는, GI 아연 도금 강관으로 형성되고, 상기 GI 아연 도금 강관의 길이 방향의 중앙부에 있어서의, 상기 길이 방향에 수직인 단면이, 상기 GI 아연 도금 강관의 내주면끼리가 접촉하는 접촉부를 포함하는 대략 V자 형상을 갖고, 상기 접촉부가, Fe-Zn 합금상에 의해 일체화되고, 모재 표층으로부터 50㎛ 깊이 위치의 마이크로 비커스 경도가, 상기 모재 표층으로부터 200㎛ 깊이 위치의 마이크로 비커스 경도의 95% 이상이다.

    A quenched steel pipe member is formed of a GI galvanized steel pipe, in a middle section in a longitudinal direction of the GI galvanized steel pipe, a cross-section perpendicular to the longitudinal direction has a substantially V shape including a contact section at which opposite parts of an inner circumferential surface of the GI galvanized steel pipe come into contact with each other, the contact section is bonded using a Fe-Zn alloy phase, and a micro Vickers hardness at a location 50 µm deep from a base material surface layer is 95% or more of a micro Vickers hardness at a location 200 µm deep from the base material surface layer.


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    Titel :

    HARDENED STEEL TUBE MEMBER AUTOMOBILE AXLE BEAM USING HARDENED STEEL TUBE MEMBER AND METHOD FOR MANUFACTURING HARDENED STEEL TUBE MEMBER


    Weitere Titelangaben:

    켄칭 강관 부재, 켄칭 강관 부재를 사용한 자동차용 액슬 빔 및 켄칭 강관 부재의 제조 방법


    Erscheinungsdatum :

    2016-07-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / C22C Legierungen , ALLOYS / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL



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