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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Powder Metallurgy of Light, Reactive and Other Non-ferrous Metals
Presentation Title Synthesis and Characterization of Dual Matrix In-situ Al-based Nanocomposites
Author(s) Suprabha Charjren Lakra, Tapas Kumar Bandyopadhyay, Karabi Das
On-Site Speaker (Planned) Suprabha Charjren Lakra
Abstract Scope In the present investigation, we discuss the feasibility of processing dual matrix AMMCs, where microstructures are generated consisting of Al-Al2O3+Al3Ti composite regions separated by a ductile, predominantly Al, outer matrix. This concept of a “composite-within-a-composite” facilitates microstructural design which is beneficial in increasing the toughness and wear resistance of materials.The reaction processes and formation mechanism for synthesizing the composite are studied by DSC, XRD, SEM and EDS. The microstructure shows the uniformly distributed Al3Ti and Al2O3 in single matrix composites and localised regions of Al-Al2O3+Al3Ti in dual matrix composites. The mechanical properties such as hardness and compressive strength and wear resistance are investigated in details. When compared to an equivalent single matrix composites material, the dual matrix composites show a 21% increase in compressive strength. Also, the presence of the localised composite regions surrounded by Al matrix leads to an enhancement in strength with limited loss in ductility.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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A Review of the Preparation Methods of WC Powders
AA5083 Powder Sintering Comparison Using AC and DC Currents
Advanced Melt-less Powder Manufacturing Technologies
Characterization and Heat Treatment of Ti-6Al-4V Powders for Use in Cold Spray Deposition
Characterization of the Liquid Phase Sintered Tungsten Heavy Alloys Prepared by an Electrochemically Produced Tungsten Powder
Cost-effective Titanium Alloy Components for Internal Combustion Engine Valve Trains
D-52: High-temperature Mechanical Properties of Powder Forged Ti-6Al-4V Alloys
D-53: Magnesiothermic MASHS and Pressureless Sintering of Diborides of Zirconium and Hafnium
Densification of Near-net Shape Turbine Blades in TiAl by Spark Plasma Sintering
Development of Gas Atomization for Generating Reactive Metal Powders for Additive Manufacturing and Powder Processing
Effect of Minor Titanium Addition on Copper/Diamond Composites Prepared by Hot Forging
Effects of Geometry Anisotropy on Fluid-flow and Mechanical Properties of Titanium Foams
Fabrication of Functional Materials Powder by Powder Metallurgical Process, and Investigation of their Bulk Properties
Fabrication of Porous Copper Structure by Using Powder Injection Molding and Space Holder Technology
Fabrication of Powder Metallurgy Ti-6Al-4V Connecting Rod by Powder Forging Process
FAST-forge: From Rutile Sand to Novel Titanium Alloy Aerospace Component in 3 Steps
Hot Deformation Behaviors of Powder Metallurgy Ti-6Al-4V Alloy with Different Microstructures
Implementation of a Multi-physics Model for Simulating Microstructural Evolution during Sintering
Influence of Hot Rolling on Mechanical Behavior and Strengthening Mechanism in Boron Carbide Reinforced Aluminum Matrix Composites
Leaching Characteristics of Non Ferrous Metals Recovery from Korean Municipal Solid Waste Incineration Bottom Ash Samples
Mechanical Characterization of Cold Sprayed Aluminum Alloy Powders Using In-situ Micropillar Compression and Tension
Mechanism and Characteristics of Mn-Zn Ferrite Powder Compacts Heated by Microwave
Mesoscale Modeling of Single Particle Impact Induced Microstructural Evolution during Cold Spray of Aluminum Powders
Microstructural and Chemical Analysis of Gas Atomized and Heat Treated Aluminum Alloy Powders
Microstructure and Phase Transformations in Ti15Mo Alloy Prepared by Cryogenic Milling and SPS
Microstructure of Y2O3 Stabilized UFG CP Ti Prepared by Cryomilling and Spark Plasma Sintering
Novel Continuous Extrusion of Titanium Powders for Wire Applications
Numerical Modeling of Gas-atomized Metal Powders: Powder Size Distribution
On the Synthesis of Lithium Boron Nitride (Li3BN2): Challenges and Opportunities
Optimization of Manufacturing Process for the High Magnetic Properties of Nd-Fe-B Bonded Magnets Using High-energy Compaction Method
Powder Metallurgy of Titanium – Past, Present, and Future
Processing and Characterization of Porous High Entropy Alloy Structures via Freeze-casting
Producing High-quality Titanium Alloy by a Cost-effective Route Combining Fast Heating and Hot Processing
Solid-state Sintering of Al Alloy Powder and AlN Synthesis in Sintering
Synthesis and Characterization of Dual Matrix In-situ Al-based Nanocomposites
Technologies for the Processing of Sieve Residues: A Novel Approach for Cost-effective Production of 3D Printing Powders
The Fabrication of Core-shell Special Powders and their Potential Applications
The Mechanism and Characteristics of Mn-Zn Ferrite Powder Compacts Heated by Microwave
Utilizing Hydrogen for Improved Properties of Titanium Alloys Produced via Powder Metallurgy

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