为了在铝合金压铸件表面获得结合力良好的镀锌层,采用了先化学镀镍-磷合金,再进行电镀锌的工艺,获得了结合力良好的镀锌层;采用低铬军绿色钝化液,克服了常规五酸钝化稳定性差、维护难的缺点,得到了高质量的军绿色钝化膜。
? 1994-2009 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2009 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2009 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2009 China Academic Journal Electronic Publishing House. All rights r