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    • 2. 发明授权
    • Brazing alloy for stainless steel, structure braze-assembled with the brazing alloy, and brazing material for stainless steel
    • 用于不锈钢的钎焊合金,钎焊合金钎焊结构,不锈钢钎焊材料
    • US06605371B1
    • 2003-08-12
    • US09554947
    • 2000-05-22
    • Masami UedaMasaaki IshioHidetoshi NodaTsuyoshi Hasegawa
    • Masami UedaMasaaki IshioHidetoshi NodaTsuyoshi Hasegawa
    • B32B1518
    • B23K35/3026B23K35/0238B23K35/302B23K35/3033Y10S428/94Y10T428/12778Y10T428/12882Y10T428/12917Y10T428/12924Y10T428/12937Y10T428/12944
    • A brazing alloy according to the present invention has a melting point equivalent to that of a copper brazing filler and is excellent in corrosion- and oxidation-resistance. The brazing alloy consists essentially of Mn, Ni and Cu, and has a composition in terms of weight percentage which, when plotted on a diagram as shown in FIG. 1, falls within a range defined by: the point A (37% Mn, 63% Ni, 0% Cu), the point B (18% Mn, 27% Ni, 55% Cu); the point C (42% Mn, 3% Ni, 55% Cu); the point D (50% Mn, 3% Ni, 47% Cu); and the point E (50% Mn, 50% Ni, 0% Cu), wherein Mn=50% is exclusive. A brazing material according to the present invention comprises: a Mn-based metal layer which is composed of a Mn—Ni alloy or a Mn—Ni—Cu alloy; and a Ni—based metal layer which is composed of Ni, a Ni alloy, or a Ni—Cu alloy, wherein the Mn-based metal layer and the Ni-based metal layer are bonded to each other in a stacked relation, and an average content of each of the essential elements in any cross section perpendicular to the length of the brazing material falls within the composition range of the aforesaid brazing alloy.
    • 根据本发明的钎焊合金具有与铜钎焊料相当的熔点,并且耐腐蚀和抗氧化性优异。 钎焊合金基本上由Mn,Ni和Cu组成,并且具有以重量百分比表示的组成,当在如图1所示的图上绘制时。 点A(37%Mn,63%Ni,0%Cu),B点(18%Mn,27%Ni,55%Cu) 点C(42%Mn,3%Ni,55%Cu); 点D(50%Mn,3%Ni,47%Cu); 并且点E(50%Mn,50%Ni,0%Cu),其中Mn = 50%是排他性的。 根据本发明的钎焊材料包括:由Mn-Ni合金或Mn-Ni-Cu合金构成的Mn基金属层; 以及由Ni,Ni合金或Ni-Cu合金构成的Ni基金属层,其中,所述Mn系金属层和所述Ni基金属层以堆叠关系彼此结合,并且 在垂直于钎料的长度的任何横截面中每个基本元素的平均含量落在上述钎焊合金的组成范围内。