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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Solid State Precipitation
Presentation Title The Role of Electron Microscopy in the Understanding of Precipitation in Light Alloys
Author(s) Jian-Feng Nie
On-Site Speaker (Planned) Jian-Feng Nie
Abstract Scope A common feature of precipitation hardenable aluminium and magnesium alloys is that their microstructures contain a uniform distribution of plate- or lath-shaped precipitates of intermediate or equilibrium phases, which form parallel to low-index planes of the matrix phase. It is well known that micro-alloying additions can change the identity and distribution of such precipitate phases. But there is still a lack of understanding of the precise role of micro-alloying elements in precipitate formation. This presentation will provide a review of observations made from conventional and modern transmission electron microscopy on strengthening precipitate phases in micro-alloyed aluminium and magnesium alloys. Discussions will be made on the correlation between these electron microscopy observations and our understanding of the roles of micro-alloying elements in precipitation in age-hardenable light alloys.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Experimental and Modelling Study on Precipitation during Tempering of Martensitic Alloys
Analysis of Crystal Structures with Icosahedral Local Order in Al-Fe-V-Si Alloys After Solidification at Intermediate Cooling Rates
Atom Probe Characterization of Phase Separation during Age Hardening of a U-6wt.%Nb Alloy
Atomic Theory of Spinodal Decomposition
Carbide Precipitation during Heating in Martensitic Steels
Clustering and Precipitation in Al-Cu-Li Alloys: Influence of Minor Solute Additions on the Competition between Kinetic Paths
Effect of Ca Additions on the Ageing Behavior of Mg-15Gd-0.5Zr Alloy
Effect of Metalloid Addition on Anomalous Primary Crystallization of Al-RE Metallic Glasses
Effects of Clustering and Trace Elements on Precipitation Hardening of Al-Mg-Si Alloys
Formation of Complex Intermetallic Phases from Supersaturated Co Solid Solution in a Co-3.9Nb Alloy
Hydride Precipitates in Zirconium Alloys: Evolution of Dissolution and Precipitation Temperatures during Thermal Cycling Correlated to Microstructure Features
Investigating the Formation Path of Delta Hydrides in Zirconium Fuel Rod Claddings by Multi-Phase Field Modeling
Kinetics of Discontinues Precipitation upon Age-hardening of Deformed and Recrystallized Invar-Sn Alloys
L-183: Analysis of Beta´ Cu4Ti Precipitation in Cu-Ti Alloys by Conventional and Diffusion-couple Methods
L-184: Carbide Precipitation in a Low-alloy Ferritic Steel
L-185: Nanocomposites Ti/B/TiO2 by Mechanical Alloy Synthesis
Morphology and Phase Stability of Pt Nanostructures in Dense Transition Alumina Formed by Solid-state Precipitation
Precipitate Structures in Mg Alloys Containing Nd and Y
Precipitation Behavior in Ni-Ti-Zr Shape Memory Alloys
Predicting Orientation Relationships: A Simple Algorithm for Generating Near-coincidence Site Lattices in General Bravais Lattice Systems
Prediction of Size, Temperature and Composition-dependent Precipitate/Matrix Interfacial Energies
Self-organization by Strain Accommodation in the Formation of Long-range Stacking Order Structure in Mg-RE-TM Alloys
Spinodal Decomposition and Ordering Transformation in U6Nb Alloy
The Effects of ECAP on the Precipitation Behavior of Al 2024
The Role of Electron Microscopy in the Understanding of Precipitation in Light Alloys
Understanding the Precipitation and Orientation Relationships in Transition Metal Carbides and Nitrides

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