ASM corrosion course

Citation

(2005), "ASM corrosion course", Anti-Corrosion Methods and Materials, Vol. 52 No. 3. https://doi.org/10.1108/acmm.2005.12852cac.003

ASM corrosion course

ASM corrosion course

Keywords: Corrosion, Training

The ASM will be running a Corrosion course at their headquarters (Materials Park, OH) on 13-17 June 2005.

Course overview

An understanding of corrosion and its control is vital for any company hoping to avoid the high costs that can be directly or indirectly attributed to corrosion. This course presents fundamental principles of corrosion, helping participants recognize corrosion problems, determine their causes, and understand and then select control methods.

Emphasis is on the practical applications of corrosion technology to solve industrial corrosion problems.

Course outline

Introduction to corrosion – definitions; four ways of classifying corrosion; costs associated with corrosion; ways to solve corrosion problems; ways to prevent corrosion.

Basic concepts in corrosion – active, immune and passive corrosion behavior; how corrosion is affected by a metal's metallurgy, inherent reactivity, and tendency to form insoluble corrosion products; how a solution's characteristics affect corrosion.

Thermodynamics: potential - pH diagrams – changes in a metal's equilibrium with its environment; the Nernst equation; the electromotive force series; potential – pH (Pourbaix) diagrams, how they are used and what they can tell us; three states of passivity; several real-world applications illustrating examples of these concepts.

Kinetics of corrosion: polarization – kinetics of the corrosion reaction; electrochemical reactions; important anodic and cathodic reactions; mixed potential theory; some applications of mixed potential theory.

Eight forms of corrosion: uniform, pitting, concentration cell – introduction to the eight forms of corrosion – uniform, pitting, concentration cell, galvanic, stress corrosion cracking, erosion-corrosion, intergranular, dealloying; detailed discussion covers causes of, ways of identifying and methods to prevent the first three types.

Eight forms of corrosion: Galvanic and stress corrosion cracking – two of the eight forms of corrosion – galvanic and stress corrosion cracking; hydrogen damage, a form of stress corrosion cracking; formation mechanisms, real- world examples and methods for control.

Eight forms of corrosion: erosion- corrosion, intergranular and dealloying – erosion, intergranular and dealloying corrosion are studied; how to identify each type; causes; successful methods to control or prevent; examples.

Corrosion testing and monitoring – classification, purposes, and steps in conducting corrosion tests; surface preparation; standards; practices; planned interval tests; accelerated testing; monitoring; direct and indirect measurements; numerous real-world examples.

Electrochemical test methods – general classes of electrochemical measurements; potential current, resistivity, polarization curves, linear polarization, frequency response; methods and equipment for these measurements; galvanic series; pitting potential; protection potential; corrosion inhibitors.

General material considerations and applications to ferrous alloys – multiple requirements of materials for engineering applications; relative costs and properties of metals and nonmetals; general corrosion behavior, typical applications, and common corrosion modes of ferrous alloys.

Nonferrous and nonmetallic materials – properties, corrosion behavior and prevention and applications of nonferrous metals and alloys and nonmetallic materials; nickel, copper, aluminum, titanium, zinc, lead, cobalt and their alloys, refractory, noble metals, ceramics, polymers.

Corrosive environments – important characteristics of corrosive environments; pH, oxidizing/reducing potential, temperature, degree of ionization, detrimental/beneficial species; how these relate to the different forms of corrosive environments; how to protect metal from a corrosive environment.

Economics and failure analysis – corrosion costs; corrosion protection and its economic importance; opportunities and motivations to reduce corrosion costs; corrosion economics; definition, purposes, and steps of failure analysis; causes of corrosion failures; failure analysis techniques, equipment, and applications.

Methods of control – design, material selection, environment modification – design methods and materials selection to control corrosion; changing environment to control corrosion; definition, bonding, types, and application of inhibitors.

Methods of control – coatings and potential modification – anodic and cathodic protection systems; impressed-current protection; measuring and verifying protection; barrier, inhibitive, and sacrificial coatings; organic, inorganic, and metallic coatings; desirable coating features; elements of the coating process, curing mechanisms.

For more information, contact: E-mail: customerservice@asminternational.org