The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2007
Filed:
Aug. 10, 2004
Akira Yoshinari, Hitachinaka, JP;
Ryokichi Hashizume, Ouji-cho, JP;
Masahiko Morinaga, Nagoya, JP;
Yoshinori Murata, Nagoya, JP;
Akira Yoshinari, Hitachinaka, JP;
Ryokichi Hashizume, Ouji-cho, JP;
Masahiko Morinaga, Nagoya, JP;
Yoshinori Murata, Nagoya, JP;
Hitachi, Ltd., Tokyo, JP;
The Kansai Electric Power Co., Inc., Osaka-shi, JP;
Masahiko Morinaga, Nagoya-shi, JP;
Yoshinori Murata, Nagoya-shi, JP;
Abstract
An object of this invention is to provide a single-crystal nickel-based superalloy having high creep rupture strength at high temperatures and excel at corrosion resistance and oxidation resistance at high temperatures. Single-crystal nickel-based superalloys with high temperature strength, hot corrosion resistance and oxidation resistance comprising by weight, 3.0 to 7.0% Cr, 9.5 to 15.0% Co, 4.5 to 8.0% W, 3.3 to 6.0% Re, 4.0 to 8.0% Ta, 0.8 to 2.0% Ti, 4.5 to 6.5% Al, 0.01 to 0.2% Hf, less than 0.5% Mo, 0.01% or less C, 0.005% or less B, 0.01% or less Zr, 0.005% or less O, 0.005% or less N, and balance substantially Ni.