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Electrochemical etching of Fe Ni Cr AISI steels for "sandblasted" effect
June 7, 2021
Q. I have to avoid deformation of thin metal sheets but need sandblasted-like surfaces for glue processes. Aside from HCl + H2O2 etch or CrO3 + H2SO4 that are standard strong chemical etching processes, there are some milder, electrolytic processes? NH4Cl or other salts under pulsed or P.R. currents could be employed? Any experience is interesting.
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