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    • 9. 发明授权
    • Brazing process and material for repairing a component
    • 钎焊工艺和修补零件的材料
    • US07789288B1
    • 2010-09-07
    • US12533101
    • 2009-07-31
    • Jere A. JohnsonTimothy Channel
    • Jere A. JohnsonTimothy Channel
    • B23K31/00B23P6/04
    • B23K1/0018B23K35/025B23K35/22B23K35/3033B23K35/34B23K35/362B23K2101/001C22C19/05F05B2230/80Y10T29/49318
    • A process and braze paste suitable for filling and closing voids in relatively thin wall sections of high temperature components, such as an impingement plate of a combustor of a gas turbine engine. The process entails applying at least a first braze paste to the crack to form a braze paste patch comprising powders of first and second alloys and an organic binder. The first alloy has a higher melting temperature than the second alloy, and the powders of the first and second alloys are present in the braze paste patch at a weight ratio of about 30:70 to about 70:30 weight percent. The braze paste patch is then heated to burn off the binder and melt at least the powder of the second alloy to form a brazement within the crack that contains particles of the first alloy dispersed in a matrix formed by the second alloy.
    • 一种适用于在诸如燃气涡轮发动机的燃烧器的冲击板的高温部件的较薄壁部分中填充和关闭空隙的工艺和钎焊膏。 该方法需要将至少一个第一钎焊膏施加到裂纹上以形成包括第一和第二合金和有机粘合剂的粉末的钎焊膏贴片。 第一合金的熔融温度高于第二合金,并且第一和第二合金的粉末以约30:70至约70:30重量%的重量比存在于钎焊膏贴片中。 然后将钎焊膏贴片加热以烧掉粘合剂并至少熔化第二合金的粉末,以在裂纹内形成包含分散在由第二合金形成的基体中的第一合金颗粒的钎焊。