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    • 9. 发明公开
    • HARDFACING INCORPORATING CARBIDE PARTICLES
    • HARTAUFTRAGSWERKSTOFF MIT CARBIDTEILCHEN
    • EP3062955A4
    • 2017-08-30
    • EP14856830
    • 2014-10-31
    • VERMEER MFG CO INC
    • MUCHTAR WANTILANDON DAVID
    • B23K35/24B32B15/01C22C29/08C22C38/00
    • B32B15/011B23K9/04B23K35/308B23K35/327B32B2307/208B32B2307/536C22C29/08C22C38/001C22C38/002C22C38/02C22C38/42C22C38/44C22C38/46C22C38/58
    • Embodiments of hardfacing layers in which wear resistant particles are substantially uniformly distributed in a matrix material are provided. The composition and microstructure of the matrix material and the amount, size and distribution of the wear resistant particles can be such that the hardfacing is wear resistant but still retains some toughness. The matrix material may include two components, a first component including iron, chromium and nickel and a second component including chromium and a substantial amount of carbon. The combination of the two components provides hardness and toughness to the matrix material. In embodiments of the disclosure, the wear resistant particles include tungsten. A hardfaced article, in one embodiment, may be formed by fusion welding an austenitic stainless steel filler metal to the surface of a base metal, thereby generating a weld pool; and adding a plurality of particles including tungsten carbide to the weld pool.
    • 提供了耐磨颗粒基本均匀分布在基质材料中的耐磨堆焊层的实施方案。 基体材料的组成和微观结构以及耐磨颗粒的数量,尺寸和分布可以使得耐磨表面是耐磨的但仍保留一些韧性。 基质材料可以包括两种组分,第一组分包括铁,铬和镍,第二组分包括铬和大量的碳。 两种组分的组合为基体材料提供了硬度和韧性。 在本公开的实施例中,耐磨颗粒包括钨。 在一个实施例中,硬面制品可以通过将奥氏体不锈钢填充金属熔合焊接到基体金属的表面来形成,由此产生熔池; 以及将包括碳化钨的多个颗粒添加到熔池中。
    • 10. 发明公开
    • HYBRID ARTICLE, METHOD FOR FORMING HYBRID ARTICLE AND METHOD FOR CLOSING APERTURE
    • 混合产品,工艺生产用于关闭一个小孔的混合物品和方法
    • EP3178589A1
    • 2017-06-14
    • EP16203000.1
    • 2016-12-08
    • General Electric Company
    • CUI, YanKOTTILINGAM, Srikanth ChandruduTOLLISON, Brian Lee
    • B22F5/00B22F5/04B22F7/06B23P6/00
    • B23K1/0018B22F5/009B22F5/04B22F7/062B22F2007/047B22F2007/068B23K9/04B23K10/027B23K15/0086B23K26/34B32B15/01
    • A hybrid article (100) is disclosed including a coating (104) disposed on and circumscribing the lateral surface (106) of a core (102) having a core material (208). The coating (104) includes about 35% to about 95% of a first metallic material (110) having a first melting point, and about 5% to about 65% of a second metallic material (112) having a second melting point lower than the first melting point. A method for forming the hybrid article (100) is disclosed including disposing the core (102) in a die (200), forming a gap (202) between the lateral surface (106) and the die (200), introducing a slurry (204) having the metallic materials (110 and 112) into the gap (202), and sintering the slurry (204), forming the coating (104). A method for closing an aperture (602) of an article (600) is disclosed including inserting the hybrid article (100) into the aperture (602). Closing the aperture (602) includes brazing the hybrid article (100) to the article (600), welding the aperture (602) with the hybrid article (100) serving as weld filler, or a combination thereof.
    • 一种混合制品(100)是圆盘游离缺失包括设置上的涂层(104),并限定了具有芯材(208)的芯(102)的侧表面(106)。 所述涂层(104)包括大约35%到具有第一熔点的第一金属材料(110),以及约5%的约95%至约65%的第二金属材料(112)具有第二熔点低于 第一熔点。 用于形成混合物品(100)的方法是圆盘游离缺失包含设置在所述(200)的芯(102),形成所述侧表面(106)和模具(200)之间的间隙(202)引入的浆料( 204),其具有金属材料(110和112)到所述间隙(202),和烧结形成涂层(104)中的浆液(204)。 一种用于物品(600)的孔(602)的闭合方法是游离缺失盘包括将所述混合物品(100)插入孔(602)。 关闭光圈(602)包括钎焊所述混合物品(100)到制品(600),焊接与作为焊接填料,或它们的组合的混合物品(100)的孔(602)。