Effect of Surface Roughness of Cold Rolled Sheet on Phosphating Performance
Text / Hao Xiaodong
Abstract: After phosphating of cold-rolled sheets with different surface roughness, the surface roughness of the substrate was measured by T1000 roughness meter, and the phosphating film was formed, the surface morphology, the surface morphology, The friction coefficient and wear resistance were studied. The results show that the surface roughness of the substrate has little effect on the weight of the phosphating film; the surface roughness is small, the phosphating film formed is uniform and dense and the particle size is small, the friction coefficient of the phosphating film is relatively large, and the wear resistance is relatively Poor; on the contrary, if the surface roughness is larger, the formed phosphating film has a relatively larger particle size, the surface friction coefficient of the phosphating film is smaller, and the wear resistance is better.
Keywords: cold-rolled sheet; surface roughness; phosphating; friction coefficient; wear resistance
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