Influence of friction on the formability of fe-zn-coated if steels for car body parts

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SUMMARY

    Improvement of the anti-corrosion properties of the zinc layer can be achieved by modifying the chemical composition of the Zn-Al-Mg-based coatings, or by annealing the Zn-Fe-based zinc coating (GA-galvannealed coatings). One of the possibilities for eliminating these negative effects is to replace the pure zinc coating with multifunctional zinc coatings based on Zn-Fe, Zn-Al-Mg, etc. After annealing not only the % Fe content in the coating changes, butdemand also the parameters (roughness Ra, steel number of peaks etc.) of thesurface tive industry, the for cold . . .

     

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