The hardened anodic oxidation coating on sewing machine components(2A12)was investigated in different sulfuric acid density solutions with special apparatus.
采用自制脉冲恒流电源，研究了缝纫机零部件（2A12）在低硫酸浓度下的脉冲恒流硬质阳极氧化工艺。
Through the anodic oxidation, the porous coating on titanium materials has been achieved.
通过阳极氧化法，在钛合金表面制备了多孔形貌的涂层。
The hardness of anodic oxidation layer is higher, the tribological property of composite coating is better.
阳极氧化层的硬度越大，复合膜摩擦学性能越好。
The porous aluminium coating inlaid with copper was obtained by implanting Cu into the pores of anodic oxidation aluminium coating prepared by electroplating.
用阳极氧化的方法制备了阳极氧化铝膜，向其孔中镀入了铜，制备了镶嵌铜多孔铝膜。
The porous aluminium coating inlaid with copper was obtained by implanting Cu into the pores of anodic oxidation aluminium coating prepared by electroplating.
用阳极氧化的方法制备了阳极氧化铝膜，向其孔中镀入了铜，制备了镶嵌铜多孔铝膜。
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