发明授权
US08404059B2 Aluminum alloy for anodizing having durability, contamination resistance and productivity, method for producing the same, aluminum alloy member having anodic oxide coating, and plasma processing apparatus
有权
用于阳极氧化的铝合金具有耐久性，耐污染性和生产率，其制造方法，具有阳极氧化物涂层的铝合金构件和等离子体处理装置
- 专利标题： Aluminum alloy for anodizing having durability, contamination resistance and productivity, method for producing the same, aluminum alloy member having anodic oxide coating, and plasma processing apparatus
- 专利标题（中）： 用于阳极氧化的铝合金具有耐久性，耐污染性和生产率，其制造方法，具有阳极氧化物涂层的铝合金构件和等离子体处理装置
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申请号： US12374798申请日： 2007-07-10
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公开(公告)号： US08404059B2公开(公告)日： 2013-03-26
- 发明人: Koji Wada , Jun Hisamoto , Toshiyuki Tanaka , Kozo Hoshino , Kazunori Kobayashi
- 申请人： Koji Wada , Jun Hisamoto , Toshiyuki Tanaka , Kozo Hoshino , Kazunori Kobayashi
- 申请人地址： JP Kobe-shi
- 专利权人： Kobe Steel, Ltd.
- 当前专利权人： Kobe Steel, Ltd.
- 当前专利权人地址： JP Kobe-shi
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2006-220387 20060811
- 国际申请： PCT/JP2007/063752 WO 20070710
- 国际公布： WO2008/018262 WO 20080214
- 主分类号： C22C21/08
- IPC分类号： C22C21/08
摘要：
The aluminum alloy for anodic oxidation treatment directed to the present invention comprises as alloy elements 0.1 to 2.0% Mg, 0.1 to 2.0% Si, and 0.1 to 2.0% Mn, wherein each content of Fe, Cr, and Cu is limited to 0.03 mass % or less, and wherein the remainder is composed of Al and inevitable impurities. An aluminum alloy more excellent in the durability can be obtained by subjecting the aluminum alloy ingot having the above element composition to a homogenization treatment at a temperature of more than 550° C. to 600° C. or less. An aluminum alloy member can be obtained by forming an anodic oxidation coating on the surface of the aluminum alloy.
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