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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Solid State Diffusion Bonding of Metals and Alloys
Presentation Title Bulk-state reaction for synthesizing bulk hybrid alloys through high-pressure torsion
Author(s) Megumi Kawasaki, Jae-Kyung Han, Terence G. Langdon
On-Site Speaker (Planned) Megumi Kawasaki
Abstract Scope Processing through the application of high-pressure torsion (HPT) provides significant grain refinement in bulk metals at room temperature. These ultrafine-grained (UFG) materials after HPT generally demonstrate exceptional mechanical properties. Recent reports demonstrated the bulk-state reactions for the synthesis of hybrid alloy systems by utilizing conventional HPT processing for direct mechanical bonding of dissimilar bulk metal disks during concurrent grain refinement. Accordingly, the present study shows processing of several UFG Al hybrid alloy systems including Al-Mg and Al-Cu by HPT under 6.0 GPa at room temperature and the experiments were conducted for examining the evolution of microstructure, mechanical properties and additional functionalities including specific strength. This study demonstrates a significant opportunity for making use of HPT for a significant contribution to current developments in diffusion bonding, welding and mechanical joining technologies as well as to introduce hybrid engineering materials.
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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