Abstract

This chapter introduces passivity fundamentals and factors affecting passive films on metals and the resulting corrosion resistance. It starts by explaining the active-passive behavior of metals and alloys, adsorption theory, passivation thermodynamics and kinetics, passivation criteria, and methods for spontaneous passivation. A full discussion on stainless steel composition and crystalline structure, oxidizer concentration, and alloy evaluation is included. Anodic protection is included to establish a basis for anodic protection systems and designs. By the end of the chapter, case studies, solved, and exercise problems illustrate passivation and anodic protection system design.

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