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    • 38. 发明授权
    • Electroformed sheath and airfoiled component construction
    • 电铸护套和翼型部件结构
    • US5881972A
    • 1999-03-16
    • US811628
    • 1997-03-05
    • Blair A. SmithJohn M. Graff
    • Blair A. SmithJohn M. Graff
    • B64C11/20C25D1/00C25D3/56B64C3/36
    • C25D3/562B64C11/205C25D1/00F04D29/324F05D2240/303
    • A sheath for covering and protecting a component leading edge of an airfoiled component is disclosed. The sheath includes a sheath leading edge, and a first protective side and a second protective side, wherein the first and second protective sides are merged at the sheath leading edge. A cavity is formed between the first and second protective sides, wherein the cavity is adapted to have the airfoiled component positioned therein and engage an inside surface of each of the first and second protective sides. The sheath is formed from a material including cobalt, and preferably a nickel-cobalt composition. Preferred embodiments include cobalt in the nickel-cobalt composition present between 8-32 wt. % and 30-54 wt. %, based on the weight of the sheath. An airfoiled component construction is also disclosed. This construction includes a main structural component formed in the shape of an airfoil, wherein the main structural component has a leading edge, and a sheath covering and protecting the leading edge, wherein the sheath is formed from a material including cobalt such as a nickel-cobalt composition. Preferred embodiments include cobalt in the nickel-cobalt composition present between 8-32 wt. % and 30-54 wt. %, based on the weight of the sheath.
    • 公开了一种用于覆盖和保护翼型部件的部件前缘的护套。 鞘包括护套前缘,第一保护侧和第二保护侧,其中第一和第二保护侧在护套前缘处合并。 在第一和第二保护侧之间形成空腔,其中空腔适于将翼型部件定位在其中并与第一和第二保护侧中的每一个的内表面接合。 护套由包括钴的材料形成,优选由镍 - 钴组合物形成。 优选的实施方案包括存在于8-32重量%的镍 - 钴组合物中的钴。 %和30-54wt。 %,基于护套的重量。 还公开了一种翼型部件结构。 这种结构包括形成为翼型形状的主要结构部件,其中主要结构部件具有前缘,以及覆盖并保护前缘的护套,其中护套由包括钴的材料形成,例如镍 - 钴组成。 优选的实施方案包括存在于8-32重量%的镍 - 钴组合物中的钴。 %和30-54wt。 %,基于护套的重量。