Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Patent
1983-09-28
1984-10-23
Rutledge, L. Dewayne
Specialized metallurgical processes, compositions for use therei
Compositions
Loose particulate mixture containing metal particles
2940218, 22826313, 228119, B23P 604, B23K 104, B22F 702
Patent
active
044786387
ABSTRACT:
A powder mixture for use in a method of repairing a superalloy article includes first and second Ni base superalloy powders. The first powder, characterized by superior hot corrosive resistance along with good oxidation resistance and the substantial absence of melting point depressants selected from Si and B greater than normal impurity levels, is included in the range of 30-70 wt % of the mixture. The second powder has a composition substantially within the same composition range as that of the first powder with the inclusion, by wt, of 0.5-5% B and up to 6% Si.
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"Guide to Selection of Superalloys", Metal Progress, Mid-Jun. 1978, pp. 106-107.
Fryxell Robert E.
Perkins Roger J.
Smith, Jr. Murray S.
Young William R.
General Electric Company
Lawrence Derek P.
Rutledge L. Dewayne
Sachs Lee H.
Zimmerman John J.
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