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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Ultrafine-Grained and Heterostructured Materials (UFGH) XIV
Presentation Title Scalable Severe Plastic Deformation (SPD) with Friction-Based Methods for Oxide Dispersion Strengthened (ODS) Alloys
Author(s) Dalong Zhang, Dileepa Maddumage, Abdullah Akib
On-Site Speaker (Planned) Dalong Zhang
Abstract Scope Classical SPD methods, including high pressure torsion, equal channel angular pressing, ball milling, etc., have been widely used to create nanostructured (NS) or ultrafine grained (UFG) metallic materials. These SPD methods have served as robust tools to study NS or UFG materials, leading to fundamental discoveries on microstructure evolution and deformation mechanisms. SPD methods usually operate at or near room temperature, hence creating and maintaining the NS or UFG features. However, such conditions also mean that materials cannot be processed at large scale or being manufactured in an additive manner. Meanwhile, friction-based methods, including friction consolidation, friction extrusion, friction stir processing, etc., also exert high plastic strain (~1000% or more) while operating in the temperature range of dynamic recrystallization. Therefore, consolidation, shape forming, additive deposition, grain refinement, nanoparticle dispersion can all happen in a scalable way, providing new pathways of manufacturing ODS alloys in various forms: rods, plates, tubes, etc.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, High-Temperature Materials, Nuclear Materials

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Effects of SPD induced Vacancies Revisited: From Micro- To Nanocrystalline Materials
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Exceptional cryogenic-to-ambient impact toughness of a low carbon micro-alloyed steel with a multi-heterogeneous structure
From Order to Disorder: Ball Milling Pathways for Forced Dissolution and Supersaturated Solid Solution Formation of Nanocrystalline Alloys
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Heterogeneous and Gradient Microstructures in Low Ni Medium Mn Austenitic Stainless Steel Formed by Reversion of Strain-Induced Martensite
Hydrogen embrittlement of HPT-processed aluminium alloys and its prevention by hydrogen-absorbing nanoparticles
In-situ micromechanical testing of ultra-fine-grained metals and alloys
Investigation of Nanostructured Hybrid Refractory Compositionally Complex Alloys after High-Pressure Torsion Processing
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Microstructures and mechanical properties of reacted Ti-Al4Mg metal-intermetallic laminates (MILs) with different ratios of metal and intermetallic phases
Recrystallization-swifted precipitation, structural evolution, and residual stress relaxation in nanostructured Al-Cu-Li alloy
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