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DE1805259C - Process for depositing aluminum from a molten salt onto an object to be coated - Google Patents

Process for depositing aluminum from a molten salt onto an object to be coated

Info

Publication number
DE1805259C
DE1805259C DE19681805259 DE1805259A DE1805259C DE 1805259 C DE1805259 C DE 1805259C DE 19681805259 DE19681805259 DE 19681805259 DE 1805259 A DE1805259 A DE 1805259A DE 1805259 C DE1805259 C DE 1805259C
Authority
DE
Germany
Prior art keywords
aluminum
anode
electroplating
molten salt
cathode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19681805259
Other languages
German (de)
Other versions
DE1805259A1 (en
DE1805259B2 (en
Inventor
Akira Okubo Hideyo Tomita Chikayoshi Suzuki Akio Ka wasaki Kanagawa Miyata (Japan)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of DE1805259A1 publication Critical patent/DE1805259A1/en
Publication of DE1805259B2 publication Critical patent/DE1805259B2/en
Application granted granted Critical
Publication of DE1805259C publication Critical patent/DE1805259C/en
Expired legal-status Critical Current

Links

Description

ί plattierens gleichzeitig mit dem Verfahrenssehritt des Oxidierens der Aluminiuinicmen niedriger Atomwertigkeit durchgeführt wird.Plating is carried out at the same time as the process step of oxidizing the low atomic valence aluminums will.

909821/0977909821/0977

Claims (1)

Patentansprüche :Patent claims: 1. Verfahren zum Aluminium-rElektroplattieren in einer Salzschmelze, dadurch gekennzeichnet, daß die Aluminiumionen niedriger Atomwertigkeit, die sich während des Elektroplattieren bilden, oxidiert und dadurch in dreiwertige Aluminiumionen umgewandelt werden. j1. Process for aluminum electroplating in one Molten salt, characterized in that the aluminum ions of low atomic valence, which are during the electroplating form, are oxidized and thereby converted into trivalent aluminum ions. j 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, j daß das Oxidieren gleichzeitig mit dem normalen Elektroplat- j tieren durchgeführt wird. I2. The method according to claim 1, characterized in that the oxidation is carried out simultaneously with the normal electroplat- j animals is carried out. I. 5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, ' 5. The method according to claim 1, characterized in that ' .. daß man zum Oxidieren einen eine Anode bildenden Platindraht - und eine unabhängige Aluminiumkathode in das Bad "eintaucht I und einen Gleichstrom zwischen dem Platindraht und der Alu- [.. that for oxidizing an anode forming a platinum wire - and an independent aluminum cathode in the bath "penetrates I and a direct current between the platinum wire and the aluminum [ miniumkathode fließen läßt. jallows the minium cathode to flow. j 4. Verfahren nach Anspruch 1, dadurch gekennzeich- I net, daß zum Oxidieren der Aluminium/niedriger Atomwertigkeit j der Oberflächenbereich der üblichen Aluminiuraanode verringert und die Spannung in der Nähe der Anode erhöht wird.4. The method according to claim 1, characterized in that for oxidizing the aluminum / low atomic valence j the surface area of the conventional aluminum anode is reduced and the voltage near the anode is increased. 5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß außer den üblichen Mitteln zum Elektroplattieren, die eine Aluminiumanode und eine aus dem zu plattierenden Gegenstand bestehende Kathode umfassen, eine Platinelektrode in das Bad getaucht wird und daß man zwischen dieser und dem zu plattierenden Gegenstand einen Wechselstrom fließen läßt.5. The method according to claim 1, characterized in that in addition to the usual means for electroplating, the one aluminum anode and one from the object to be plated existing cathode include, a platinum electrode is immersed in the bath and that one between this and the to allows an alternating current to flow through the cladding object. 6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß der Wechselstrom dem zwischen der Alurainiumanode und dem zu plattierenden Gegenstand fließenden Gleichstrom überlagert' wird, wobei der Verfahrensschritt des normalen Aluminium-6. The method according to claim 5, characterized in that that the alternating current is superimposed on the direct current flowing between the alurainium anode and the object to be plated ' the process step of the normal aluminum -10-909821/0 977-10-909821 / 0 977
DE19681805259 1967-10-25 1968-10-25 Process for depositing aluminum from a molten salt onto an object to be coated Expired DE1805259C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6843567 1967-10-25
JP6843567 1967-10-25

Publications (3)

Publication Number Publication Date
DE1805259A1 DE1805259A1 (en) 1969-05-22
DE1805259B2 DE1805259B2 (en) 1972-11-16
DE1805259C true DE1805259C (en) 1973-06-14

Family

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