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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Solid State Diffusion Bonding of Metals and Alloys
Presentation Title Microstructure Evolution and Mechanical Properties of Diffusion Bonded Ti6Al4V Alloy Joints for Aerospace Applications
Author(s) Rajakumar S, Pragatheswaran T, Kavitha S, Balasubramanian V, Vijay Petley, Shweta Verma
On-Site Speaker (Planned) Rajakumar S
Abstract Scope Utilization of titanium alloys in the aero-engine industries is increased due their unique characteristics. Joining Ti alloys require more sophisticated technique like diffusion bonding process which is a solid state process and it is able to provide good quality joints without drastic modification in the microstructure of the material. In this research work, thin sheets of Ti alloy Ti6Al4V having a thickness of 2 mm are diffusion bonded with the aim of analyzing the role of transformation temperature during diffusion bonding and its effects on microstructure evolution and mechanical properties. The results showed that interdiffusion of elements increases with increase in bonding temperature. The growth of lamellar α and β phases increases with increase in bonding temperature. The diffusion bonds produced from a bonding temperature above α-β transformation temperature exhibits more equiaxed α and β rich coarser grain with high shear strength and hardness. Keywords: Diffusion, Titanium, Tensile, Microstructure, Hardness
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Anisotropic Grain Growth in Cu Joints at Low Temperatures by <111>-oriented Nanotwinned Copper Films
Bulk-state Reaction for Synthesizing Bulk Hybrid Alloys through High-pressure Torsion
Diffusion Bonding of AgC-Cu Bi-Layered Electrical Contacts
Diffusion Bonding of Ti-6Al-4V Alloy to Interstitial Free (IF) Steel Using Copper and Nickel Interlayers
Instant Copper Direct Bonding Using <111>-oriented Nanotwinned Cu Microbumps
Interfacial Recrystallization and Element Diffusion during the Hot Compression-bonding of Ti-6321 to TC4
Mechanical Characterization of Diffusion Bonded Alloy 800H
Mechanical Performance of Diffusion Bonded 316 Stainless Steel for use in a Hybrid Compact Heat Exchanger
Microstructural Characterizations and Mechanical Properties of Diffusion Bonded Stainless Steel 316H and Inconel 800H
Microstructural Evolution and Mechanical Properties of Lap-jointed Ti-6Al-4V Plates by Pin-less Friction Stir Spot Welding
Microstructure Evolution and Mechanical Properties of Diffusion Bonded Ti6Al4V Alloy Joints for Aerospace Applications
Modeling Strength of Diffusion Bonded Interface Using Phase-Field Recrystallization and Creep-Damage Models.
MTI Low Force Friction Welding
Multi-Scale Study Of Bonding Mechanism Between Immiscible Mg/Steel Alloys
O-49: Joining of 14YWT Ferritic ODS Alloys by Spark Plasma Technique
O-50: Optimization and Prediction of Bond Characteristics of Ti6Al4V Diffusion Bonded Joints through RSM
Solid-state Diffusion Bonding of Glass-metal for the International Thermonuclear Experimental Reactor (ITER) Diagnostic Windows
Solid State Joining of Dissimilar Ni-based Superalloys Using Field Assisted Sintering Technology
Tensile Performance of Diffusion Bonded Haynes 230 Alloy for use in a Compact Heat Exchanger
The Role of Interface Microstructure and Chemistry on the Bond Strength of Aluminum 6061 HIP-bonded Samples

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