Alternate e Thickness 改变的厚度
Using commercial sodium silicate as electrolyte, aluminum surface was treated with plasma micro-arc oxidation under alternate current, film thickness increased with the increase of voltage.
以工业级硅酸钠为电解液，铝材在交流电压作用下进行等离子微弧氧化反应，电压升高，膜厚增大。
The superlattice coatings are an alternate multilayer structure under nanometer scale. The period thickness is 5-10 nanometer.
超晶格涂层是纳米尺度下两种不同层以超晶格周期层间交替形成的多层结构，层间厚度在5—10纳米。
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