Ageing and durability of metals

Phenomenological and theoretical study of the basic principles of electrochemical corrosion. Awareness of corrosion-stress coupling problems.

Basic metallurgy, basic electrochemistry

I INTRODUCTION TO CORROSION
II METALLURGICAL BACKGROUND
III PRINCIPLES OF WET CORROSION

Equilibrium potential (Nernst classification)
Mixed potential, galvanic series
Electrochemical cell, galvanic corrosion

IV THERMODYNAMICS APPLIED TO WET CORROSION

Potential -pH diagram (=Pourbaix diagrams)
Interpretation of the diagram with respect to corrosion risks

V QUANTIFICATION OF GENERALIZED CORROSION

Faraday's law
Polarization curves (passivatable metals, stainless steel)
Tafel lines

VI DIFFERENT TYPES OF LOCALIZED CORROSION

Cavernous corrosion
Pitting corrosion
Intergranular corrosion

VII ENVIRONMENTALLY ASSISTED CRACKING

Hydrogen embrittlement
Stress corrosion
Fatigue corrosion

VIII PROTECTION AGAINST CORROSION

Prevention by suitable shaping
Protection by coating
Protection by inhibitors
Cathodic protection

Inorganic Chemistry and Materials

[Landolt] D. LANDOLT, " Traité des matériaux 12 : corrosion et chimie de surfaces des métaux ", Edition Presses polytechniques et universitaires romandes, 1993
[Philibert] J.PHILIBERT, A.VIGNES, Y.BRECHET, P.COMBRADE, " Métallurgie : du minerai au matériau ", Editions Massons, 1998.
[Uhlig] H. UHLIG, Corrosion et protection, Edition Dunod, 1970
[Vargel] C.VARGEL, Corrosion de l'aluminium , Edition Dunod, 1999.