Microstructural Characterization of Ti6Al4V-SiCf Composite Produced by New Roll-Bonding Process

Paolo Deodati; Riccardo Donnini; Saulius Kaciulis; Alessio Mezzi; Roberto Montanari; Claudio Testani; Nadia Ucciardello

doi:10.4028/www.scientific.net/AMR.89-91.715

Paper Titles

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Stress Analysis on the Stretch Forming of the Aluminum Saddle-Shaped Skins
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Stress Corrosion Cracking Behaviour of Welded Duplex Stainless Steel
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Microstructural Characterization of Ti6Al4V-SiC_f Composite Produced by New Roll-Bonding Process
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Effect of Austenite Deformation on Recrystallisation Behaviour in an X-70 Microalloyed Steel
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Water-Resistant Poly(Vinyl Alcohol) Hybrid Nanofibers Incorporating Polyhedral Oligosilsesquioxane (POSS)
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Grain Boundary Modification by Si₃N₄ Additions and the Effect on Corrosion Behaviors in Two Sintered Nd-Fe-B Magnets
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Microstructure and Thermal Diffusivity of Gd₂Zr₂O₇ Powders
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Microstructural Characterization of Ti6Al4V-SiC_f Composite Produced by New Roll-Bonding Process

Abstract:

Roll Diffusion Bonding (RDB) is a new process, developed at C.S.M., for producing Ti composites reinforced by long fibres. The prototypal “diffusion bonding” plant permits to co-roll at high temperature in superplastic rolling field (under temperature and strain rate control) foils of titanium alloy and fabrics made of SiC monofilaments. This study evidenced that the Ti6Al4V-SiCf composite produced by roll-bonding exhibits superior mechanical properties with respect the same material prepared by Hot Isostatic Pressing (HIP) owing to the smaller grain size and the higher dislocation density.