1. Sialons: A Study in Materials Development.- 2. Discussion Session: Aspects of Commercialisation of Advanced Ceramics and Future Opportunities.- 3. Analysis of Coarsening and Densification Kinetics During the Heat Treatment of Nitrogen Ceramics.- 4. Sinterability of Silicon Nitride Powders and Characterisation of Sintered Materials.- 5. Microstructural Development and Secondary Phases in Silicon Nitride Sintered with Mixed Neodymia/Magnesia Additions.- 6. Microstructural Development, Microstructural Characterization and Relation to Mechanical Properties of Dense Silicon Nitride.- 7. Sialon and Syalon Powders: Production, Properties and Applications.- 8. Reaction Sequences in the Preparation of Sialon Ceramics.- 9. Preparation and Densification of Nitrogen Ceramics from Oxides.- 10. Preparation of Sialon Ceramics from Low Cost Raw Materials.- 11. Densification Behaviour of Sialon Powders Derived from Aluminosilicate Minerals.- 12. Sintering and some Properties of Si3N4 Based Ceramics.- 13. Syalon Ceramic for Application at High Temperature and Stress.- 14. Structural Evolution Under High Pressure and at High Temperature of a ?'-Sialon Phase.- 15. Multianion Glasses.- 16. Non-destructive Evaluation of Ceramic Surfaces and Sub-surfaces.- 17. Preparation and Characterization of Yttrium ?'-Sialons.- 18. Characterisation and Properties of Sialon Materials.- 19. Comparison of CBN, Sialons and Tungsten Carbides in the Machining of Surgical Implant Alloys and Cast Irons.- 20. The Wear Behaviour of Sialon and Silicon Carbide Ceramics in Sliding Contact.- 21. Studies on Properties of Low Atomic Number Ceramics as Limiter Materials for Fusion Applications.- 22. Effect of Microstructural Features on the Mechanical Properties of REFEL Self-bonded Silicon Carbide.- 23. Failure Probability of Shouldered and Notched Ceramic Components Using Neuber Notch Theory.- 24. Characterisation and Mechanical Properties of Hot-pressed and Reaction-bonded Silicon Nitride.- 25. Tensile Strength of a Sintered Silicon Nitride.- 26. Selecting Ceramics for High Temperature Components in IC Engines.- 27. Oxidative Removal of Organic Binders from Injection-molded Ceramics.- 28. Silicon Nitride Ceramics and Composites: a View of Reliability Enhancement.- 29. Panel Discussion: Aspects of Reliability.- List of Participants.- Index of Contributors.