Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.
Bronze, an alloy of copper and tin, is much harder and cuts much better than copper or gold, and once discovered, it was widely used to make tools and weapons for over a thousand years.
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、稳定
液中,可以置换镀覆不同
了
种可以减少摩擦的铜
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