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Table of contents
Contents
Acknowledgements
Chapter 1: Introduction
1.1 Carbon/carbon composites
1.2 Application of carbon/carbon composites
1.3 Coating technology
1.4 Matrix modification
1.5 Purpose of this study
Chapter 2: Experimental methods
2.1 Carbon/carbon composites
2.2 Experimental apparatus
2.3 Sample fabrication
2.3.1 Blasting treatment of C/C composites to construct a porous surface
2.3.2 Coating preparation on blasting-treated C/C composites
2.3.3 Thin film waveguides preparation on Si substrate
2.3.4 HfB2 and HfB2-SiC modified C/C composites
2.4 Characterization
2.4.1 Ablation test
2.4.2 Adhesive strength test
2.4.3 PIXE-Kossel experiment
2.4.4 X-ray reflectivity measurement
2.4.5 Microstructure and phase composition
2.4.6 Thermophysical analysis
Chapter 3: The effects of C/C blasting treatment
3.1 Introduction
3.2 Surface modification of C/C via blasting treatment
3.3 Blasting treatment on the cyclic ablation performance of Si-Mo-Cr coating
3.4 Blasting treatment combined with SiC nanowires to enhance the cyclic ablation performance of Si-Mo-Cr coating
3.4.1 Microstructure and cyclic ablation test
3.4.2 Ablation mechanism
3.5 Conclusions
Chapter 4: The effects of C/C blasting treatment and modifying SiC coating with SiC/HfC (ZrB2)
4.1 Introduction
4.2 Blasting treatment and modifying SiC coating with SiC/HfC additive
4.2.1 Microstructure and cyclic ablation test
4.2.2 Ablation mechanism
4.3 Blasting treatment and modifying SiC coating with SiC/ZrB2 additive
4.4 Conclusions
Chapter 5: Develop a non-destructive characterization method for multilayer ceramic coating
5.1 Introduction
5.2 Particle-induced X-ray emissions (PIXE)
5.3 Kossel interferences
5.4 X-ray waveguides
5.5 PIXE-Kossel to study thin film waveguides
5.5.1 Design of the thin film waveguides
5.5.2 Results and discussion
5.6 Design and simulation of the HfC/SiC/HfC multilayers
5.7 Conclusions
Chapter 6: HfB2 and HfB2-SiC modified C/C composites
6.1 HfB2 modified C/C composites
6.1.1 Introduction
6.1.2 Microstructure and ablation test
6.1.3 Oxidation and ablation mechanism
6.2 HfB2-SiC modified C/C composites
6.2.1 Introduction
6.2.2 Microstructure and ablation test
6.2.3 Ablation mechanism
6.3 Conclusions
Chapter 7: Conclusion and Perspectives
Annex
Bibliography
