Degradation and Protection of Materials
1
2018-2019
03015801
Materials Science and Engineering
Portuguese
Face-to-face
6.0
Elective
3rd Cycle Studies
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)
NoSyllabus
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