Structure-Property Relationships in Surface-Modified Ceramics

The use of ion beams for the modification of the structure and properties of the near-surface region of ceramics began in earnest in the early 19805. Since the mechanical properties of such materials are dominated by surface flaws and the surface stress state, the use of surface modification tech­ niques would appear to be an obvious application. As is often the case in research and development, most of the initial studies can be characterized as cataloging the response of various ceramic materials to a range of ion beam treatments. The systematic study of material and ion beam parameters is well underway and we are now designing experiments to provide specific information about the processing parameter - structure-property rela­ tionships. This NATO-Advanced Study Institute was convened in order to assess our current state of knowledge in this field, to identify opportunities and needs for further research, and to identify the potential of such processes for technological application. It became apparent that this class of inorganic compounds, loosely termed ceramics, presents many challenges to the understanding of ion-solid inter­ actions, the relationships among ion-beam parameters, materials parameters, and the resulting structures, as well as relationships between structure and properties. In many instances, this understanding will represent a major extension of that learned from the study of metals and semiconductors. Front Matter....Pages i-x Properties of Ceramics and their Study by Computer Simulation Methods....Pages 1-25 Disorder, Randomness, and Amorphous Phases....Pages 27-45 The Displacement Cascade in Solids....Pages 47-60 Ion Energy Dissipation and Sputtering During Bomberdment of Multicomponent Materials....Pages 61-102 Mechanisms of Ion Beam Mixing....Pages 103-116 Ion Beam Mixing Of Metals and Ceramics — Material Considerations....Pages 117-134 The Role of Chemical Driving Forces in Bombardment-Induced Compositional Change....Pages 135-148 Defect Creation in Ion Bombarded Ceramics....Pages 149-166 Ion Beam — Induced Crystalline to Amorphous Transformations in Ceramic Materials....Pages 167-179 Ion Beam Mixing at Metal/A1 2 0 3 Interfaces....Pages 181-187 Ion Beam Mixing of Fe in Si0 2 : Structural and Optical Properties....Pages 189-198 Ion-Beam Alloying and Thermochemistry of Ceramics at High Temperatures....Pages 199-208 Mössbauer Spectroscopy of Iron Implanted in Zirconia....Pages 209-218 Ion Irradiation Studies of Oxide Ceramics....Pages 219-229 Furnace Annealing of Sapphire Surfaces Amorphised by Ion Implantation....Pages 231-252 The Mechanical Properties of Ion Implanted Ceramics....Pages 253-273 Tribological Properties of Ion Beam Modified Ceramics at Elevated Temperatures....Pages 275-294 Thin Film and Near Surface Characterization Using Indentation Systems....Pages 295-302 Tribological Properties of Ceramics Modified by Ion Implantation and by Ion Beam-Assisted Deposition of Organic Material....Pages 303-311 Modified Pull Test for the Testing of Very Adherent Films....Pages 313-319 Ion Irradiation of Polymer-Derived Graphitic Carbons....Pages 321-330 Chemical Properties of Ion Implanted Ceramics....Pages 331-353 Effects of Ion Beam Processing on Optical Properties....Pages 355-370 Characterization of Planar Optical Waveguides in Ion-Implanted Quartz....Pages 371-378 Fabrication of Electrooptical Waveguides by Means of Ion Implantation....Pages 379-387 Ion Implantation of Electro-Optical Ceramics....Pages 389-397 Plasma- and Ion-Beam Assisted Physical Vapor Deposition: Processes and Materials....Pages 399-416 Ion Beam Assisted Deposition of Thin Films and Coatings....Pages 417-454 Ion-Beam Induced Diamond-Like Carbon Coatings....Pages 455-475 Ion Beam Analysis and Modification of Thin-Film, High-Temperature Superconductors....Pages 477-501 Simulation of Plasma Induced Material Damage with H-Ion Beams....Pages 503-511 Back Matter....Pages 513-522