PROCESS AND INSTALLATION FOR OBTAINING Mg-Nd HARDENING ALLOYS BY ELECTROCHEMICAL CO-DEPOSITION

The invention relates to a process for obtaining Mg-Nd hardening alloys by electrochemical co-deposion of the Nd and Mg into a bath of melted fluorides whereto the Nd and Mg carbonates are added. The working temperature is of 825-875A C, the anode current density of 0,3-0,45 A/cm2 and the cathode de...

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Hauptverfasser:	SOARE VASILE, RUS ADRIAN DAN, GURGU CONSTANTIN, BURADA MARIAN, SURCEL IOAN
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
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Beschreibung
Zusammenfassung:	The invention relates to a process for obtaining Mg-Nd hardening alloys by electrochemical co-deposion of the Nd and Mg into a bath of melted fluorides whereto the Nd and Mg carbonates are added. The working temperature is of 825-875A C, the anode current density of 0,3-0,45 A/cm2 and the cathode density of 3,5-3,9 A/cm2. The electrochemical cell is provided with a crucible (8) made up of silicon oxynitride, a superdense graphite anode (6) and a cathode (10) made up of metal molybdenum. Invenţia se referă la un procedeu de obţinere a prealiajelor Mg-Nd prin codepunerea electrochimică a Nd ?i Mg într-o baie de fluoruri topite, la care se adaugă carbonaţi de Nd ?i Mg. Temperatura de lucru este de 825-875°C, densitatea anodică de curent de 0,3-0,45 A/cm2, iar densitatea catodică 3,5-3,9 A/cm2. Celula electrochimică esteprevăzută cu un creuzet (8) confecţionat din oxinitrură de siliciu, un anod (6) din grafit superdens ?i un catod (10) din molibden metalic.