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    • 2. 发明授权
    • Casting process, materials and apparatus, and castings produced therewith
    • 铸造工艺,材料和设备以及由此生产的铸件
    • US08714233B2
    • 2014-05-06
    • US13074268
    • 2011-03-29
    • George Albert GollerDennis William Cavanaugh
    • George Albert GollerDennis William Cavanaugh
    • B22C3/00B22C1/00
    • B22D27/18B22C3/00C23C6/00C23C30/00
    • A casting process for producing metal alloy castings, facecoats and apparatuses suitable for carrying out the process, and castings produced by the process. The casting process entails the use of a mold having a cavity with a continuous aluminum-containing solid facecoat on its surface. A molten quantity of a metal alloy is introduced into the mold cavity so that the molten alloy contacts the solid facecoat. The mold is then allowed to cool to solidify the molten alloy and form a cast product. During the casting process, aluminum in the solid facecoat diffuses into the cast product to form an aluminum-containing surface region at the casting surface. Following removal of the cast product from the mold, an alumina-containing scale grows on the casting surface as a result of oxidation of the casting surface region.
    • 用于生产金属合金铸件的铸造工艺,适用于实施该工艺的面漆和设备以及由该工艺生产的铸件。 铸造过程需要在其表面上使用具有连续的含铝固体面涂层的空腔的模具。 熔融量的金属合金被引入模腔中,使得熔融合金与固体面漆接触。 然后使模具冷却以固化熔融合金并形成铸造产品。 在铸造过程中,固体表面涂层中的铝扩散到铸造产品中,以在铸造表面形成含铝表面区域。 在从模具中除去铸造产品之后,由于铸造表面区域的氧化,含氧化铝的垢在铸造表面上生长。