Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1993-03-31
1994-07-19
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
423 53, 75711, 156665, 148253, C23F 700
Patent
active
053305582
ABSTRACT:
The invention is a process for removing a chromium containing coating from an aluminum article. The chromium containing coating is removed from the aluminum article by contacting the aluminum article having the chromium containing coating with an alkaline treating bath to form an ultrasonically removable chromium containing coating and treating the aluminum article with the ultrasonically removable coating with ultrasonic vibrations to remove the chromium containing coating.
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Hsu Chi-Fan
McCormick David R.
Henkel Corporation
Jaeschke Wayne C.
Ortiz Daniel S.
Rosenberg Peter D.
Szoke Ernest G.
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