Invention Grant
- Patent Title: Extruded material of a free-cutting aluminum alloy excellent in embrittlement resistance at a high temperature
- Patent Title (中): 在高温下耐脆性优异的自由切削铝合金挤压材料
-
Application No.: US12059904Application Date: 2008-03-31
-
Publication No.: US08454766B2Publication Date: 2013-06-04
- Inventor: Kensuke Mori , Kazuo Taguchi
- Applicant: Kensuke Mori , Kazuo Taguchi
- Applicant Address: JP Tokyo
- Assignee: Furukawa-Sky Aluminum Corp.
- Current Assignee: Furukawa-Sky Aluminum Corp.
- Current Assignee Address: JP Tokyo
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2005-288765 20050930
- Main IPC: C22C21/00
- IPC: C22C21/00 ; C22C21/12

Abstract:
An extruded material of a free-cutting aluminum alloy excellent in embrittlement resistance at a high temperature, containing from 3 to 6% by mass of Cu and from 0.9 to 3% by mass of Bi with the balance being Aluminum and inevitable impurities, wherein a temperature for reducing the Charpy impact test value to half of the value at room temperature is 180° C. or more.
Public/Granted literature
Information query