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EL616 - Corrosion of Metals (On Demand)

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Corrosion of Metals (On Demand)

Gain a practical foundation in corrosion science, including electrochemical reactions, corrosion cells, and seven common metal corrosion mechanisms.

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This Self Study course is designed to be taken at your convenience and on your own schedule. You have 365 days from the time of purchase to finish the course.

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Corrosion is the leading cause of metal product failure, making it essential for engineers and designers to understand both how and why it occurs. This online course provides a practical foundation in corrosion science, covering key topics such as electrochemical reactions, corrosion cells, and the seven most common metal corrosion mechanisms. Learners will explore methods for assessing corrosion behavior and discover design strategies to enhance corrosion resistance. Whether you're working to prevent failure in new products or analyze existing ones, this course equips you with the knowledge to make informed, corrosion-conscious design decisions.

By participating in this course, you will learn how to successfully:

Explain how an electrochemical corrosion cell works and the reactions that occur
Discuss the driving force for corrosion and factors that influence corrosion rate.
Describe the corrosion mechanisms and factors that influence corrosion rate for 7 common types of corrosion
Identify at least three approaches for preventing each of the seven types of corrosion
Describe test methods used to measure corrosion rate and assess corrosion behavior for the different types of corrosion

Who should attend?

This course is designed for product design engineers and reliability engineers in all industries.
This course is designed for engineers who need to understand how corrosion occurs and the design, manufacturing, and maintenance approaches to prevent or control corrosion.

Course Materials (included in purchase of course)

Digital course notes via ASME s Learning Hub

Course participants are expected to have:

Computer and internet access

A Certificate of Completion will be issued to registrants who successfully complete the course by achieving a passing score of 70% or higher on the final exam.

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Outline

Module 1: Electrochemical Reactions

Corrosion behaviors of a metal in an aqueous solution, electrochemical reaction, corrosion cell, anode and cathode reactions in a corrosion cell, categories of corrosion testing.

Module 2: Electrode Potential

Electrode potential, noble and active behavior, measuring standard potential and electrode potential.

Module 3: Driving Force for Corrosion

Predicting whether a metal can corrode when exposed to an electrolyte.

Module 4: Corrosion Rate

Units for corrosion penetration rate and mass loss rate. Relationship between corrosion rate, corrosion current, and corrosion current density. Test methods for measuring corrosion rate. Active-passive behavior. Factors that influence a metal s corrosion rate.

Module 5: General Corrosion

General corrosion mechanism. Methods for controlling general corrosion.

Module 6: Galvanic corrosion

Components of a galvanic cell and driving force for galvanic corrosion. Factors that influence galvanic corrosion rate. Galvanic series. Methods to control galvanic corrosion. Method for evaluating the galvanic corrosion compatibility of dissimilar metals.

Module 7: Crevice corrosion

Crevice corrosion and filiform corrosion mechanisms. Design approaches for preventing crevice corrosion and filiform corrosion. Test methods for evaluating susceptibility to crevice corrosion and filiform corrosion.

Module 8: Pitting corrosion

Mechanism for pitting corrosion. Alloys that are susceptible to pitting corrosion. Effects of chloride concentration, solution velocity, and temperature on pit formation. Approaches for controlling pitting corrosion

Module 9: Intergranular Corrosion

Mechanism for stainless steel and aluminum intergranular corrosion and approaches for controlling intergranular corrosion.

Module 10: Stress corrosion cracking

Causes of stress corrosion cracking and requirements for stress corrosion cracking to occur. Factors that influence the extent of stress corrosion cracking. Approaches for controlling stress corrosion cracking.

Module 11: Dealloying

Dealloying mechanism and effects of dealloying. Alloys susceptible to dezincification and environments of concern. Ways to preventing dezincification.

Module 12: Controlling Corrosion