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:
Aug. 25, 1987
Filed:
Feb. 22, 1985
Toshimi Yoshida, Katsuta, JP;
Hideo Maki, Katsuta, JP;
Hajime Umehara, Hitachi, JP;
Tetsuo Yasuda, Hitachi, JP;
Isao Masaoka, Hitachi, JP;
Iwao Takase, Tohkai, JP;
Masahisa Inagaki, Hitachi, JP;
Ryutarou Jimbow, Hitachiohta, JP;
Keiichi Kuniya, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a process for producing a zirconium-based alloy in which after the zirconium-based alloy is subjected to hot plastic working, it is subjected to cold plastic working and then to annealing and these steps are repeated at least twice, the present invention provides a process for producing a zirconium-based alloy characterized in that after the alloy is subjected to solid solution treatment in which it is heated to a temperature within the range including the .alpha. phase and the .beta. phase of the alloy, or within the range of the .beta. phase and is then quenched, cold plastic working is effected at least twice.