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:
Feb. 02, 2016
Filed:
Mar. 17, 2011
Manabu Nakai, Kobe, JP;
Shigenobu Yasunaga, Kobe, JP;
Manabu Nakai, Kobe, JP;
Shigenobu Yasunaga, Kobe, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
MITSUBISHI ALUMINUM COMPANY, LTD., Tokyo, JP;
UACJ Corporation, Tokyo, JP;
NIPPON LIGHT METAL COMPANY, LTD., Tokyo, JP;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
An object of the present invention is to provide a 6000-series aluminum alloy material for a high-pressure gas container which has both of resistance to hydrogen embrittlement and mechanical properties. In the aluminum alloy material for a high-pressure gas container, the contents of Fe, Mn and Cu fall within narrower ranges than the standard composition of AA6066 alloy. The aluminum alloy material is produced to have a structure in which a predetermined amount of fine dispersed particles are dispersed therein and coarse crystallized materials are small, and therefore strength and resistance to hydrogen embrittlement are improved, which are required for a high-pressure gas container.