Titanium Alloys at Elevated Temperature - Structural Development and Service Behavior

Description

This is the fourth in a series of international conferences on the Microstructure of High Temperature Materials and the first to exclusively focus on the microstructure and properties of titanium alloys. Papers demonstrating the exploitation of these alloys in a wide range of commercial high temperature applications from the automotive to the aerospace industries were presented. Content:• Front Matter Prefaces • Table of Contents •Part I. Keynote Papers 1. Titanium Market Developments: The Implications for Research and Development 2. Titanium Alloys in High Performance Automotive Engine Applications 3. Modelling Structural Development in the Manufacture of Titanium Alloys •Part II. Forging 4. Microstructural Characterisation and Modelling of a Ti-6Al-4V Alloy during Thermomechanical Processing in the β Phase Field 5. The Use of High Temperature X-ray Diffractometry to Study Phase Transitions in Ti-6Al-4V 6. Influence of Strain Parameters on Deformation Resistance of Ti-6Al-4V Titanium Alloy at 1173-1273 K 7. Mechanical Properties of Closed-Die Forgings of Ti-6Al-2Mo-2Cr Titanium Alloy as a Function of Heat Treatment Parameters 8. Differential Scanning Calorimetry Study and Computer Modelling of β ⇒ α Phase Transformation in Ti-6Al-2Sn-4Zr-2Mo Alloy 9. Thermomechanical Processing of Titanium Alloys: The Application of a Novel Technique to Examine Sub-β Transus Isothermal Forging of Ti-6Al-2Sn-4Zr-6Mo •Part III. Burning Alloys 10. Effect of Pre-Heat-Treatment on Microstructure and Mechanical Properties of Exposed Ti-25V-15Cr-2Al (wt%) Alloys 11. Effect of X (Fe, Cr, Co etc.) on the Morphology and Formation of TiC1-y in Ti Alloys with Carbon Additions 12. Oxidation Behaviour of a New High Temperature Titanium Alloy - Ti40 Burn Resistant Titanium Alloy •Part IV. Fabrications 13. Welding of Ti-10V-2Fe-3Al: A Comparison of Techniques 14. Residual Stresses, Texture and Microstructure in Electron Beam Welds of IMI 834 15. The Microstructure and Superplastic Properties of Mechanically Milled Ti-6Al-4V + 0.5% Boron 16. Elevated Temperature Fatigue Crack Growth and Time Dependent Behaviour in Ti-6246 •Part V. Surface Engineering 17. Surface Engineering of Titanium Alloys for High Temperature Applications 18. Surface and Substrate Stability of Titanium Alloys Used in Aerospace Applications 19. Modification of the Microstructure and Properties of Ti-1Al-1Mn Titanium Alloy due to Nitriding and Oxynitriding under Glow Discharge Conditions •Part VI. Aluminides 20. Practical Advice on the Use of Ti-45-2-2-XD™ Gamma Titanium Aluminide 21. Hot Plastic-Flow and Workability of γ-TiAl Based Alloys 22. Effect of Grain Refinement on Continuous Cooling Phase Transformation in Some TiAl-Based Alloys 23. Deterioration of Mechanical Properties Caused by Omega Phase in Major Alloyed TiAl-Based Alloys 24. Prediction of ω Phase Formation in TiAl-X Alloys 25. Thermal Processing of an Orthorhombic (Ti2AINb) Based Alloy Author Index Subject Index