Ferrigno Stephen J. (Cincinnati OH) Somerville Mark (Cincinnati OH) Young William R. (Cincinnati OH)
출원인 / 주소
General Electric Company (Cincinnati OH 02)
인용정보
피인용 횟수 :
32인용 특허 :
11
초록▼
An improved mixture of alloy powders is provied for use in treating a preselected article alloy, for example, to repair or join multiple components of the article. The mixture has at least three distinct groups of alloy powders which together define a mixture composition range, with each alloy powde
An improved mixture of alloy powders is provied for use in treating a preselected article alloy, for example, to repair or join multiple components of the article. The mixture has at least three distinct groups of alloy powders which together define a mixture composition range, with each alloy powder of the groups characterized by a composition and melting range different from the others and from the article alloy. In a preferred form, the mixture composition range comprises, by weight, 15-30% Cr, 1.5-6% W, 0.4-4% Al, 1-11% Ti, 1-6% Ta, up to 1.5% B, up to 0.5% Si, up to 0.2% Zr, up to 3% Mo, up to 0.3% Hf, up to 6% Cb, up to 2% Re, with the balance selected from Co and Ni along with incidental impurities.
대표청구항▼
An improved mixture of alloy powders for use in treating a preselected article alloy of predetermined composition range and based on an element selected from the group consisting of Ni and Co, at a temperature less than the incipient melting temperature of the article alloy; the mixture having at le
An improved mixture of alloy powders for use in treating a preselected article alloy of predetermined composition range and based on an element selected from the group consisting of Ni and Co, at a temperature less than the incipient melting temperature of the article alloy; the mixture having at least three distinct groups of alloy powders together defining a mixture composition range; each alloy powder of the groups characterized by a composition and melting range different from the others and from the article alloy; a first of the groups having at least one alloy each with a melting range higher than the melting ranges of the alloys in other groups and further characterized by: (a) substantially all of elements selected from the group consisting of W and Mo, and (b) substantially all of any C included in the mixture composition; the second of the groups having at least one alloy each with a melting range lower than alloys in the first group, and further characterized by: (a) the substantial absence of elements selected from the group consisting of W and Mo, and (b) the substantial absence of C; the alloys of the second group comprising Cr, Al, and at least one element selected from the group consisting of Ni and Co; and a third of the groups having at least one eutectic alloy each with a melting range lower than alloys of the second group, the alloys of the third group being characterized by the substantial absence of C; the mixture composition range characterized by less than 2 wt. % total of elements selected from the group consisting of B and Si, less than 1 wt. % C, and including 15-30 wt. % Cr, 1-7 wt. % W, and 1-6 wt. % Ta.
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이 특허에 인용된 특허 (11)
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Goldschmidt, Dirk; Oechsner, Matthias; Ott, Michael; Paul, Uwe; Pickert, Ursula; Schumann, Eckart; Seiler, Beate; Singer, Robert; Steinbach, Jan; Volek, Andreas; Vosberg, Volker, Repair soldering method for repairing a component which comprises a base material with an oriented microstructure.
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