Invention Grant
- Patent Title: Aluminum alloy material for storage container for high-pressure hydrogen gas
- Patent Title (中): 用于高压氢气储存容器的铝合金材料
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Application No.: US13635693Application Date: 2011-03-17
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Publication No.: US09249483B2Publication Date: 2016-02-02
- Inventor: Manabu Nakai , Shigenobu Yasunaga
- Applicant: Manabu Nakai , Shigenobu Yasunaga
- Applicant Address: JP Kobe-shi JP Tokyo JP Tokyo JP Tokyo JP Tokyo
- Assignee: Kobe Steel, Ltd.,MITSUBISHI ALUMINUM COMPANY, LTD.,UACJ Corporation,NIPPON LIGHT METAL COMPANY, LTD.,SHOWA DENKO K.K.
- Current Assignee: Kobe Steel, Ltd.,MITSUBISHI ALUMINUM COMPANY, LTD.,UACJ Corporation,NIPPON LIGHT METAL COMPANY, LTD.,SHOWA DENKO K.K.
- Current Assignee Address: JP Kobe-shi JP Tokyo JP Tokyo JP Tokyo JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-062146 20100318
- International Application: PCT/JP2011/056369 WO 20110317
- International Announcement: WO2011/115202 WO 20110922
- Main IPC: C22C21/02
- IPC: C22C21/02 ; C22C21/06 ; C22F1/05 ; F17C1/14 ; C22F1/00

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.
Public/Granted literature
- US20130164170A1 ALUMINUM ALLOY MATERIAL FOR STORAGE CONTAINER FOR HIGH-PRESSURE HYDROGEN GAS Public/Granted day:2013-06-27
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