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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Metal-Matrix Composites: Analysis, Modeling, Observations and Interpretations
Presentation Title The Effect of Solution Treatment Aging on Hardness Improvement of Ti-6Al-4V/TiC Metal Matrix Composite
Author(s) James K. Penney, Sergey Prikhodko, Pavlo Markovsky, Dmytro Savvakin, Olek Stasuik
On-Site Speaker (Planned) James K. Penney
Abstract Scope Discontinuously reinforced Ti alloys fabricated using low-cost powder metallurgy processes attracts significant attention due to prospective of major improvement in hardness and exceptional wear resistance of the light host metal. In this study, structures of metal-matrix composites (MMC) of Ti-6Al-4V alloy reinforced with hard particles of TiC (0-60%, vol.) were fabricated using blended elemental powder metallurgy (BEPM) with hydrogenated Ti as the base. Post-sintering solution treatment aging (STA) at 880 and 1000C for 45min, followed by water quenching at 550C for 5h was employed to improve the microstructure and properties. During thermal exposures of primary and secondary processing, the matrix and reinforcement particles retain their separate identity. It was found that the thermal treatment of MMC used leads to an increase of hardness of up to fifty percent compared to as-sintered condition. The material was characterized, and property changes were explained using light optical microscopy, SEM-EDS, EBSD, TEM and XRD.
Proceedings Inclusion? Planned:


4D X-ray Tomography and Correlative Microscopy of Composite Materials
A 3D Multiple-Slip Crystal Plasticity Model for Precipitate Hardening in Additively Manufactured High-Strength Steels
Design of Steel Microstructures by Manipulation of Reinforcement Precipitates using Finite Element Methods
Effect of Reinforced Materials Size on Wear Behavior of Cu/B4C Metal Matrix Composites Fabricated by Friction Stir Processing
Effects of Interface Characteristics on High Volume Fraction Al/SiCp Composites under Compressive Stress
In-situ Synthesis of Al/Al2O3 Nanocomposites via Spark Plasma Sintering of Nano-sized Al Powders
Investigation of Friction Stir Spot Welding of Aluminium Alloys using Zinc as an Interlayer
Lightweight Radiation Shielding Using Metal Matrix Composites
Mechanical Properties of Al-based Metal Matrix Composites Produced by Constrained High Pressure Torsion
Mechanical Testing of Steel and Tungsten Fibers for Use in Composites for Fusion Applications
Microstructure Analysis and Modeling of the Effective Properties of Damaged Fe-TiB2 Metal Matrix Composites
Microstructure, Interfaces and Mechanical Properties of Nano Composites Manufactured in Solid State
Processing and Microstructural Characterization of Novel Invar Syntactic Foams
Role of Matrix Microstructure on the Mechanical Behavior and Corrosion Response of Two Magnesium Metal Matrix Composites
Simultaneously Applied Electromagnetic and Mechanical Ultrasound for Particle Dispersion in Liquid Metals
Synthesis and Characterization of In-situ Formed TiB2 Particulate Reinforced Al-Si Alloy Composites
The Effect of Solution Treatment Aging on Hardness Improvement of Ti-6Al-4V/TiC Metal Matrix Composite
The Microstructure and Mechanical Properties of Magnesium-based Composites: Role of Reinforcement and Processing
Volume Fraction Analysis of Alumina Reinforced Aluminum Composites

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