The oxalic acid etch test is a rapid method of screening specimens of certain stainless steel grades which are essentially free of susceptibility to intergranular attack associated with chromium carbide participates. The test is used for acceptance, but not rejection, of material. This test may be… View Full Term
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Francisco Servigna has 15 years of experience in the Venezuelan National Oil Company as a process and corrosion engineer. Francisco holds a bachelor’s science degree in Chemical Engineering, a master’s science degree in Mechanical Engineering (Computational Thermoscience) and a Master Business in Project Management.
In his experience as corrosion engineer he has provided technical expertise in the areas of:
In addition, Francisco has extensive experience in:
A basic overview of the patina layer that forms during the atmospheric corrosion of copper and its alloys. How the patina forms and how to care for valuable copper objects.
A look at the chemical nature of aluminum and aluminum corrosion, aluminum oxide film formation, and the uses of aluminum, aluminum oxide and aluminum alloys.
This article provides a basic overview of the relevant differences between two protective coating products for corrosion prevention: polyurea and polyurethane.