C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 11/06 (2006.01) C25D 11/30 (2006.01)
Patent
CA 2462764
Using aqueous electrolytes containing complex fluorides or oxyfluorides such as fluorozirconates, fluorotitanates, and fluorosilicates, articles containing light metals such as magnesium and aluminium may be rapidly anodized to form protective surface coatings. White coatings may be formed on aluminium articles using pulsed direct current or alternating current. When the article to be anodized is comprised of magnesium, pulsed direct current having a relatively low average voltage is preferably used.
L'utilisation d'électrolytes aqueux contenant des fluorures complexes ou des oxyfluorures, tels que des fluorozirconates, fluorotitanates, et des fluorosilicates, permet d'anodiser rapidement des articles à teneur en métaux légers, tels que le magnésium et l'aluminium, de manière à former des revêtement de surface protecteurs. Des revêtements blancs peuvent être formés sur des articles en aluminium à l'aide d'un courant continu pulsé ou d'un courant alternatif. Si l'article à anodiser est constitué de magnésium, on préférera utiliser un courant continu pulsé présentant une tension moyenne relativement basse.
Henkel Kommanditgesellschaft Auf Aktien
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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