PROCESS FOR REMOVING ADHERENT OXIDE PARTICLES FROM AN ALUMINIZED SURFACE
    33.
    发明申请
    PROCESS FOR REMOVING ADHERENT OXIDE PARTICLES FROM AN ALUMINIZED SURFACE 审中-公开
    从氧化表面去除附着的氧化物颗粒的方法

    公开(公告)号:US20050127039A1

    公开(公告)日:2005-06-16

    申请号:US10707465

    申请日:2003-12-16

    摘要: A process for removing particles that become adherently sintered to an aluminized surface during an aluminiding process. The method is particularly suited for the removal of adherent particles that form as a result of oxidation of a metallic powder used as an aluminum source during slurry aluminiding processes, wherein the adherent particles become attached by sintering to the aluminized surface. The process includes contacting the aluminized surface with an aqueous caustic hydroxide solution until the particles are removed therefrom.

    摘要翻译: 一种在铝化过程中除去附着烧结到镀铝表面的颗粒的方法。 该方法特别适用于去除由浆料铝化过程中用作铝源的金属粉末的氧化形成的附着颗粒,其中粘合颗粒通过烧结附着在镀铝表面上。 该方法包括使镀铝表面与苛性氢氧化钠水溶液接触,直至从中除去颗粒。

    Method of producing multicomponent diffusion coatings on metal articles
and apparatus for performing same
    35.
    发明授权
    Method of producing multicomponent diffusion coatings on metal articles and apparatus for performing same 失效
    在金属制品上生产多组分扩散涂层的方法和用于执行其的装置

    公开(公告)号:US4624871A

    公开(公告)日:1986-11-25

    申请号:US788467

    申请日:1985-10-17

    CPC分类号: C23C10/22 C23C10/26

    摘要: A method of producing multicomponent diffusion coatings on metal articles mprises the steps of separately dissolving in a transport melt the alloying elements at temperature T equalling 0.5 to 0.8 of their respective melting points, and saturating with these alloying elements by diffusion the surface of a metal article at temperature T.sub.1 equalling 0.3 to 0.5 of the melting point of the material of this article, with the difference T-T.sub.1 being at least 50.degree. C. To perform this method, the apparatus comprises a central chamber for accommodating the transport melt and the metal article to be coated, and two (in one embodiment) peripheral chambers for accommodating the transport melt and the respective individual alloying elements, communicating via ducts. All the chambers and ducts have heating elements arranged thereon.

    摘要翻译: 在金属制品上制造多组分扩散涂层的方法包括以下步骤:在输送熔体中将合金元素分别溶解在各自熔点的等于0.5至0.8的温度T,并通过扩散金属制品的表面使这些合金元素饱和 温度T1等于该制品的材料熔点的0.3至0.5,差T-T 1至少为50℃。为了执行该方法,该装置包括用于容纳输送熔体和金属的中心室 以及两个(在一个实施例中)用于容纳运输熔体的周边室和通过管道连通的各个合金元件。 所有的腔室和管道都具有布置在其上的加热元件。

    Metallic cementation
    36.
    发明授权
    Metallic cementation 失效
    金属水泥

    公开(公告)号:US3811929A

    公开(公告)日:1974-05-21

    申请号:US12018071

    申请日:1971-03-02

    申请人: KITO KK

    发明人: KANETAKE N

    IPC分类号: C23C10/18 C23C12/02 C23C11/04

    CPC分类号: C23C10/18 C23C12/02

    摘要: Process for cementation of iron or steel by heat treatment in a chamber with fine particles of chromium, titanium or silicon halide suspended in an inert atmosphere.