Degradation and Protection of Materials

Recommended Prerequisites

Not applicable.

Teaching Methods

Theoretical lectures, group projects.

Learning Outcomes

Module 1 – Polymer Degradation

Understand the internal and external degradation parameters.

Identify degradation types.

Understand the mechanism of thermal degradation

Understand the mechanism of foto-oxidative degradation

Describe the stabilization mechanism of antioxidants, UV and thermal stabilizers.

Module 2 – Corrosion

To explain the corrosion phenomena of metallic materials. To identify the different forms of corrosion. To identify the most adequate methods for the investigation of corrosion phenomena..

Module 3 – Tribocorrosion

To understand how the normal corrosion situation is affected by fretting the surface

To understand how to preform and interpret various types of tribocorrosion testing

Work Placement(s)

No

Syllabus

Module 1–Polymer Degradation

Internal and external parameters.Thermal degradation: despolymerization and involving substituent groups.Thermo and foto-oxidative degradation: general mechanism.

Stabilization:antioxidants, UV and thermal stabilizers.Mechanism of stabilization.

Module 2–Corrosion

Degradation of materials:causes and consequences. Importance of social and economic of corrosion.

The Electrochemistry of Corrosion: Thermodynamics and Kinetics, Pourbaix Diagrams, Passivation

Corrosion Prevention: Cathodic protection, anodizing and coatings

Corrosion: Uniform, Pitting, Galvanic, Selective, Biological.

Electrochemical Techniques:Open Circuit Potential, Potentiodynamic and Potentiostatic Test,Electrochemical Impedance

Module 3–Tribocorrosion

Introduction to tribocorrosion phenomena

Depassivation and repassivation under mechanical solicitations

Tribological and Electrochemical techniques for tribocorrosion

Synergism in tribocorrosion

Characterization techniques for tribocorrosion

Assessment Methods

Assessment continuous
Assessment continuous: 100.0%

Bibliography

H. W. Moeller, Progress in Polymer Degradation and Stability Research, Nova Science Publishers, New York, 2008

N.S. Allen, M. Edge, Fundamentals of Polymer Degradation and Stabilization, Springer, 1992

A. Davis, David Sims, Weathering of Polymers, Elsevier, England, 1993

- Fontana, Mars G. - Corrosion engineering. 2nd ed. McGraw-Hill International, [1983]”

- Allen J. Bard Larry R. Faulkner - ELECTROCHEMICAL METHODS Fundamentals and Applications, 2nd ed. John Wiley & Sons, Inc, [2001]”

- “Handbook of Corrosion Engineering”

- KR Trethewey and J Chamberlain - Corrosion for Science and Engineering Longman, UK, 1995

- Scientific papers