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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Solid State Diffusion Bonding of Metals and Alloys
Presentation Title Effect of hydrogen addition on the diffusion bonding behavior of titanium alloys
Author(s) Xifeng Li, Fuhui Zhu, Huiping Wu, Jun Chen
On-Site Speaker (Planned) Xifeng Li
Abstract Scope Hydrogen as a temporary alloying element can be used as a powerful tool in optimizing microstructure and mechanical properties of titanium alloys. In this study, the effect of hydrogen addition on the diffusion bonding behaviors of Ti-55 titanium alloy and Ti2AlNb/TC4 titanium alloys were studied. The DSC/DTA and XRD results shows hydrogen can escape from titanium alloys under the conditions of high temperature and vacuum. The diffusion bonding ratios of Ti-55 titanium alloy are remarkably improved by hydrogenation at relatively low temperature (700℃). In addition, hydrogen addition can prominently increase the bonding interface strengths of Ti2AlNb/TC4 titanium alloys through rapid heating. The residual hydrogen content is a key factor for improving the diffusion bonding properties by hydrogenation. Both low temperature bonding and rapid heating aim to hinder the hydrogen desorption during diffusion bonding process.
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
Effect of Diffusion Bonding Parameters on Joint Efficiency of Fe- and Ni-base Alloys
Effect of hydrogen addition on the diffusion bonding behavior of titanium alloys
Friction Stir Diffusion Bonding of Magnesium Alloy ZK 60 to Steel
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
Joining of 14YWT ferritic ODS alloys by Spark Plasma technique
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
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 diffusion bonding of ODS Eurofer steel by spark plasma sintering
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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