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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Nanocomposites V: Structure-Property Relationships in Nanostructured Materials
Presentation Title Intragranular Dispersion of Carbon Nanotubes Comprehensively Improves Aluminum Alloys
Author(s) Kang Pyo So, Akihiro Kushima, Jong Gil Park, Xiaohui Liu, Dong Hoon Keum, Hye Yun Jeong, Soo Hyun Joo, Hyoung Seop Kim, Hwanuk Kim, Ju Li, Young Hee Lee
On-Site Speaker (Planned) Kang Pyo So
Abstract Scope One-dimensional carbon nanotubes (CNTs), which are mechanically strong and flexible, possess better structural properties than their counterpart nanoparticles/nanowires. Well-dispersed CNTs act like forest dislocations, therefore it can harden the metal pretty much like stored dislocation line density, as well as still acting like a composite filler and transmitting load directly. We report an intragranular dispersion strategy of CNTs in Al matrix that leads to comprehensively improve mechanical, electrical/thermal properties of Al alloys. This was in turn rationalized by “cold welding” and rapid surface diffusion of Al atoms in vacuum-environment mechanical ball milling, which buried the MWCNTs inside the master alloy particles. This cold welding and burying process were revealed by in situ transmission electron microscopy (TEM) experiments under similar vacuum conditions. Our way of producing master alloy and dispersing them are thus key for the comprehensive superiority of the properties over other methods of making Al+CNT nanocomposites.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Anisotropy of a High Strength Nanolayered Steel Revealed by In-situ Micro Mechanical Testing
Carbon Nanocomposite for Reliable Seal Applications in High- temperature, High-pressure, Corrosive Environments
Carbon Nanotubes Reinforced Nanostructured WC-Co Hard Alloys
Characterization of Magnetic Microstructure in Near Eutectoid Co-Pt Ordered Alloys
Deformation Behavior of Novel Co-sputtered Nanolaminate Metal/Ceramic Composites
Development of Nanocarbon-infused Metals: A New Class of Covetic Materials
Effects of Layer Thickness on the Mechanical Behavior of Oxidation-strengthened Zr/Nb Nanoscale Multilayers
Effects of Reinforcement Size and Volume Fraction on Tensile Behavior of Al-SiC Composites
Effects of Surface-treated Graphene Nanoplatelets on the Flexural Properties of Basalt Fibers/Epoxy Composite
Fabrication of Super Al and Mg Powders with Self-dispersed Nanoparticles
How to Play with Grain Size and Texture to Tune Mechanical Properties of Architectured Materials: The Case of Cu-Nb (Nano)Composite Wires
In-situ Study on Mechanical Behavior of Flash-sintered Yttria Stabilized-zirconia at Elevated Temperature
Interfacial Study of Nanocomposites and Hybrid Systems
Intragranular Dispersion of Carbon Nanotubes Comprehensively Improves Aluminum Alloys
Investigation of Mechanical Properties of Cu-MWCNT Nanocomposites Synthesized by Wet Chemical Reduction Route
Manufacturing Method and Characterization of Mechanical Properties of Laminated Metal Nanocomposites with Graded Layer Thickness
Mechanical Behavior of FCC Cu/FCC Co and FCC Cu/HCP Co Nanocomposite Films
Mechanochemical Synthesis of Intermetallic Phases in Systems Al - Nb - (Ti) via Mechanical Alloying
Microstructure and Mechanical Properties of AA5083-Al2O3 Bulk Nanocomposites Produced by Two-step Ultrasonic Casting Technique
Microstructure and Mechanical Properties of High Conductivity Nanostructured Cu-Ag Alloys Wires
Multilayered Metallic Glass-crystalline Nanocomposites with Improved Wear Resistance
Nanoindentation Creep Response of Magnesium/Boron Nitride Nanocomposites
Nanoparticle Reinforced Nanocomposites by Means of Sputtering and Nanoparticle Co-deposition
On the Tensile Properties of Surface-treated Graphene Nanoplatelets/ Basalt Fibers/ Epoxy Nanocomposite System
Pathways for Engineering Boron Nitride Nanotube Based High-strength Aluminum Composites
Precipitation Phenomena in Al-Zn-Mg Alloy Matrix Composites Reinforced with B4C Particles
Predicting the Failure Mechanisms in Ni-graphene Nanocomposites for Different Loading, Crack Orientations and Graphene Structure
Probing the Effects of Composition and Morphology on the Mechanical Properties of Nanocomposites Made via Liquid Metal Dealloying
Rapid Synthesis of Lightweight Metal Matrix Nanocomposite Processed by High-pressure Torsion
Size Effect in Ti-Fe-(Sn) Ultrafine Lamellar Eutectic Composites during Micro/-nano-indentation
Structure Property Relationship in Polyimide Nanocomposite for High-temperature Applications
Super Copper with Populous Self-dispersed Nanoparticles
Superplastic Behavior of Ultrafine Grained Aluminium Matrix Nano Composite
Synthesis and Characterization of Crystalline-amorphous Composite
Synthesis and Characterization of Highly Porous Carbon from Waste Packaging Material for Value Added Products
Synthesis, Characterization, and Properties of Graphene Reinforced Metal-matrix Nano Composites Using Powder Metallurgy
Tailored Nanoscale Composite Carbide Morphologies: Materials by Design for Ultra-high Temperature Applications
The Dielectric Behavior in Reduced Graphene Oxide /Polymer Composites with a Segregated Structure
The Effects of Nano-Al4C3 on Precipitation Hardening and Mechanical Behaviors in Al-5.5Cu Composites
The Influence of Laminar Bulk Metallic Glass/Crystalline Metal Interfaces on the Mechanical Properties of Roll Bonded Composites
The Mechanical Behavior of Hierarchical Mg Matrix Nanocomposite with High Volume Fraction Reinforcement
Ultra-high Elastic Strain Energy Storage in Hybrid Metal-oxide Infiltrated Polymer Nanocomposites
In Situ Deformation Characteristics of a Free-standing Three-dimensional Graphene Foam-aluminum Nanohybrid

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