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公开(公告)号:US4397721A
公开(公告)日:1983-08-09
申请号:US347974
申请日:1982-02-11
摘要: Articles of aluminum are pickled by placing them as anodes into a sulfuric acid bath in the absence of chromic acid or bichromate and connecting them by a short-circuit connection to a carbon cathode placed in the same bath. The process also excludes the application of an anodic control voltage.
摘要翻译: 在不存在铬酸或重铬酸盐的情况下,将它们作为阳极放置在硫酸浴中并将它们通过短路连接与放置在同一浴中的碳阴极连接起来将铝制品浸泡。 该方法也不包括施加阳极控制电压。
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公开(公告)号:US4394232A
公开(公告)日:1983-07-19
申请号:US347973
申请日:1982-02-11
摘要: Articles of aluminum are pickled by immersing them into a sulfuric acid bath containing no chromic acid or bichromate but having carbon particles suspended therein. The carbon particles will form tiny electric cells with the aluminum articles at their places of contact and will initiate electrochemical dissolution phenomena there at the point of contact.
摘要翻译: 将它们浸入不含铬酸或重铬酸盐但具有悬浮在其中的碳颗粒的硫酸浴中来浸渍铝。 碳颗粒将在其接触位置处与铝制品形成微小的电池,并且将在接触点处引发电化学溶解现象。
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