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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Metal-Matrix Composites: Analysis, Modeling, Observations and Interpretations
Presentation Title Mechanical Testing of Steel and Tungsten Fibers for Use in Composites for Fusion Applications
Author(s) Matthew Weinstein, Lauren Garrison, Maxim Gussev, Carol Lin, Johann Riesch
On-Site Speaker (Planned) Matthew Weinstein
Abstract Scope Although tungsten materials exhibit many good qualities in environments characteristic of fusion reactors, they suffer from low toughness and are brittle. One way to overcome this is with the use of tungsten fiber composites. In order to implement these fiber composites in use as a fusion reactor component, it is necessary to understand the constituent materials that makeup the fiber composite. To do this, tungsten fibers with 150 μm diameter and 40 mm length were tensile tested at room temperature in conjunction with digital image correlation (DIC) to better understand the tungsten fibers individually and how they will contribute to the overall properties of the composite material. For comparison, steel fibers of Alloy 304 with 203.2 μm diameter were also tested. The tensile tests required developing a fiber mounting procedure and unique fixture to grip the fiber ends without damage. Additionally, images were taken of the fracture surfaces.
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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