Patent ID: 7264740
Filing Date: 2007-09-04
Classification: C23C,C23F,C25D

Abstract:
1. A metal surface treatment to increase strength, flexibility and fatigue life of a metal, and to protect metal-to-metal bonds at the apexes of cracks, scratches and gouges on the surface of the metal, comprising the steps in the following order of: (a) cleaning the surface of the metal to remove mill scale, soils, oils, corrosion products and previous coatings; (b) removing moisture from said apexes; (c) applying a metal etch to the surface of the metal; (d) rinsing and drying said metal surface; and (e) applying a liquid corrosion preventative compound to said etched surface, whereby the strength, flexibility, and fatigue life of the metal are increased relative to a metal surface that has not been treated with steps (a) through (e),