Scanning Electron Microscopy (SEM) and Energy-dispersive X-Ray

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Table of contents

Abstract
Chapter 1 State-of-the-art and objectives
1.1 Aluminium and aluminium alloys
1.2 Thermal treatments of Al-Cu series alloys
1.3 Corrosion of Al-Cu alloys
1.3.1 Introduction to corrosion of aluminium alloys
1.3.2 Corrosion behavior of aluminium alloys and influence of intermetallic particles
1.4 Corrosion protection of aluminium alloys
1.4.1 Generalities about corrosion protection of aluminium alloys
1.4.2 Conversion coatings
1.4.3 Anodizing
1.4.4 Organic coatings
1.4.5 Coatings prepared by Atomic Layer Deposition
1.5 Objectives of this thesis
1.6 Contents of the thesis
Chapter 2 Techniques and sample preparations
2.1 X-ray Photoelectron Spectroscopy (XPS)
2.1.1 Principle
2.1.2 Instrument
2.1.3 Characterization
2.2 Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS)
2.2.1 Principle
2.2.2 Instrument
2.2.3 Characterization
2.3 Scanning Electron Microscopy (SEM) and Energy-dispersive X-Ray Spectroscopy (EDX)
2.4 Sample preparations
2.4.1 Mechanical polishing
2.4.2 The annealing and aging thermal treatments
Chapter 3 Influence of thermal aging treatments on surface chemical modifications of model Al-Cu alloy studied by in situ XPS and ToF-SIMS
3.1 Introduction
3.2 Experimental
3.3 XPS results
3.4 ToF-SIMS results
3.5 Conclusions
Chapter 4 Corrosion performances of model Al-Cu alloy after thermal treatments (annealing and aging) – surface studies by means of XPS and ToF- SIMS
4.1 Introduction
4.2 Experimental
4.3 Results and discussions
4.3.1 Surface characterization of the polished and aged Al-Cu alloy before corrosion
4.3.2 Corrosion performance of the polished and thermally treated Al-Cu alloys – immersion tests
4.3.3 Surface chemical modifications of the polished and thermally treated Al-Cu alloys after immersion tests
4.4 Conclusions
Chapter 5 Corrosion protection of the model Al-Cu alloy by ALD alumina thin film coatings
5.1 Introduction
5.2 Experimental
5.3 Results and discussions
5.3.1 Surface characterization of the pristine and alumina-coated Al-Cu alloy samples
5.3.2 Corrosion resistance of the alumina ALD coated Al-Cu alloys – immersion tests
5.3.3 Surface characterization of non-coated and coated Al-Cu alloys after immersion tests
5.4 Conclusions
Chapter 6 Conclusions and perspectives
Abbreviations and acronyms
Acknowledgements