Standard Guide for Determining Synergism Between Wear and Corrosion

Importancia y uso:

5.1 Wear and corrosion can involve a number of mechanical and chemical processes. The combined action of these processes can result in significant mutual interaction beyond the individual contributions of mechanical wear and corrosion (1-5).4 This interaction among abrasion, rubbing, impact and corrosion can significantly increase total material losses in aqueous environments, thus producing a synergistic effect. Reduction of either the corrosion or the wear component of material loss may significantly reduce the total material loss. A practical example may be a stainless steel that has excellent corrosion resistance in the absence of mechanical abrasion, but readily wears and corrodes when abrasive particles remove its corrosion-resistant passive film. Quantification of wear/corrosion synergism can help guide the user to the best means of lowering overall material loss. The procedures outlined in this guide cannot be used for systems in which any corrosion products such as oxides are left on the surface after a test, resulting in a possible weight gain.

Subcomité:

G02.40

Referida por:

G0032-16R21E01

Volúmen:

03.02

Número ICS:

77.060 (Corrosion of metals)

Palabras clave:

aqueous; corrosion; electrochemical; erosion-corrosion; slurries; solutions; synergism; wear;