Nickel-base superalloy and article with high temperature strengt

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...

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428670, 428680, 148404, 148410, 148421, 148537, 148675, 420443, 420445, C22C 1905, C22F 110

Patent

active

054551200

ABSTRACT:
A nickel base superalloy capable of being made into a single crystal article is provided with high temperature strength and improved stability by limiting the presence of an undesirable SRZ constituent. Significant to the control of formation of such undesirable constituents is the control of the amount of Re in the alloy in combination with elements such as Al, Cr, Ta, Mo, Co and W. A solution heat treatment is provided for additional control.

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