Process for simultaneous smoothing, cleaning, and surface protection of metal objects

By using an aqueous solution containing a phosphoric acids or phosphate salts together with carboxylic acids containing at least two carboxyl groups per molecule along with conventional mass finishing, a wide variety of metal parts may be simultaneously deburred, cleaned, and provided with a surface...

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Bibliographische Detailangaben
Hauptverfasser:	WIEVELHOFF, HERBERT, GEKE, JUERGEN, DROSDZIOK, HERMANN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PERFORMING OPERATIONS POLISHING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	By using an aqueous solution containing a phosphoric acids or phosphate salts together with carboxylic acids containing at least two carboxyl groups per molecule along with conventional mass finishing, a wide variety of metal parts may be simultaneously deburred, cleaned, and provided with a surface with good resistance to corrosion in humid air. The solution used preferably also contains non-ionic surfactant, corrosion inhibitor, and, for use in hard water areas, a water hardness stabilizer.