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    • 8. 发明专利
    • Method for manufacturing resin-bonding aluminum-casting alloy member and resin-bonding aluminum-casting alloy member obtained by the method
    • 用于制造树脂粘合铝合金构件的方法和由方法获得的树脂粘合的铝合金构件
    • JP2013159834A
    • 2013-08-19
    • JP2012023412
    • 2012-02-06
    • Nippon Light Metal Co Ltd日本軽金属株式会社
    • ENDO MASANORIIINO MASAKIYOSHIDA MIYUKIISOBE MASASHISUZUKI SATOSHIODA KAZUHIRO
    • C23F1/44B22D17/00B29C45/14C22C21/02C22C21/06C22F1/00C22F1/043C22F1/047C23G1/12
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a resin-bonding aluminum-casting alloy member, whereby an aluminum-casting alloy member excellent in aluminum-resin bondability can be readily manufactured through a simple method, and to provide the resin-bonding aluminum-casting alloy member obtained by the method.SOLUTION: A method for manufacturing a resin-bonding aluminum-casting alloy member comprises steps of: preparing an aluminum-casting alloy substrate containing 0.9-18 mass% Si and 1.0-10.0 mass% Mg by die-casting; and subsequently dissolving MgSi crystallized product at a surface of the aluminum-casting alloy substrate by subjecting the aluminum-casting alloy substrate to an etching treatment using an acidic etching solution comprising an aqueous solution of sulfuric acid and/or nitric acid under a condition where the treatment temperature is 30-80°C and the treatment time is 5-15 min, thereby forming fine concavo-convex shapes excellent in resin bondability on the surface of the aluminum-casting alloy substrate. The resin-bonding aluminum-casting alloy member is obtained by the method.
    • 要解决的问题:为了提供一种制造树脂结合铝铸造合金构件的方法,由此通过简单的方法可以容易地制造铝 - 树脂粘合性优异的铝铸造合金构件,并且提供树脂粘合 通过该方法获得的铝铸造合金构件。解决方案:一种制造树脂结合铝铸造合金构件的方法,包括以下步骤:制备含有0.9-18质量%Si和1.0-10.0质量%Mg的铝铸造合金基材 通过压铸; 随后通过使用含有硫酸和/或硝酸的水溶液的酸性蚀刻溶液对铝铸造合金基材进行蚀刻处理,在铝铸造合金基材的表面上溶解MgSi结晶产物, 处理温度为30-80℃,处理时间为5-15分钟,从而形成在铝铸造合金基材的表面上具有优异的树脂粘合性的微细凹凸形状。 通过该方法获得树脂结合铝铸造合金构件。