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    • 56. 发明授权
    • Spray bonding of nickel aluminum and nickel titanium alloys
    • 镍铝和镍钛合金的喷涂
    • US4027367A
    • 1977-06-07
    • US598822
    • 1975-07-24
    • Henry S. Rondeau
    • Henry S. Rondeau
    • C22C14/00B05D1/10B05D7/26C22C19/03C23C4/08C23C4/12C23C4/18B05D1/08B32B15/04B32B15/20
    • C23C4/08B05D7/26C23C4/18B05D1/10Y10T428/1275Y10T428/12757Y10T428/12764Y10T428/12806
    • An alloy of nickel and aluminum, which also may contain varying percentages of intermetallics, in the form of a wire or rod is sprayed in an electric arc spray gun to form a self-bonding coating on a smooth, clean substrate. Alternatively an alloy of nickel and titanium, which also may contain varying percentages of intermetallics, in the form of a wire may be similarly electric arc sprayed to effect a self-bonding coating on a substrate. The nickel aluminum alloy and possibly intermetallics or the nickel titanium alloy and possibly intermetallics are supplied as a wire feed to the electric arc spray gun, and when heated in the electric arc of the spray gun and sprayed onto a substrate will form a coating that has a high degree of tenacity to many metal substrates and also has a moderate degree of hardness, low R.sub.c, high R.sub.b. The self-bonding is attributed to the formation of superheated liquid in the arc process and the affinity of that superheated liquid to iron, nickel, aluminum, etc.
    • 将镍和铝的合金也可能含有不同百分比的金属间化合物,以电弧或棒的形式喷射在电弧喷枪中,以在光滑,清洁的基底上形成自粘合涂层。 或者,也可以含有不同百分比的金属间化合物的镍和钛的合金,其形式为线材,可以类似地进行电弧喷涂以在衬底上实现自粘合涂层。 镍铝合金和可能的金属间化合物或镍钛合金和可能的金属间化合物作为电弧进料供应到电弧喷枪,并且当在喷枪的电弧中加热并喷射到基底上时,将形成具有 对许多金属基材具有高度的韧性,并且具有中等程度的硬度,低Rc,高Rb。 自粘性归因于电弧过程中过热液体的形成以及过热液体对铁,镍,铝等的亲和力。