Patent · US Active

Method for producing oxide layers which protect against wear and/or corrosion

US9994948B2 · kind B2 · utility

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Assignee

AHC OBERFLÄCHENTECHNIK GMBH · DE

Inventors

Marc Weidenbach · Aachen, DE
Peter Kurze · Pulsnitz, DE
Hermann H. Urlberger · Ratingen, DE

Key dates

Filing date	Sep 26, 2014
Grant date	Jun 12, 2018
Priority date	—
Expiry date	May 19, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C8/36
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Method for producing oxide layers which protect against wear and/or corrosion on barrier layer-forming metals, preferably aluminum, magnesium and titanium, alloys and mixtures thereof by means of laser treatment, characterized in that on the surface a continuous near-surface oxygen-plasma is produced to form the oxide layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.