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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Metal-Matrix Composites: Advances in Analysis, Measurement and Observations
Presentation Title Influence of Tungsten Nanoparticles on Enhancing the Aging Behavior of a Copper-chromium Alloy
Author(s) Gongcheng Yao, Shuaihang Pan, Xiaochun Li
On-Site Speaker (Planned) Gongcheng Yao
Abstract Scope Cu-Cr alloys are a class of high-strength high-conductivity Cu alloys. However, limited by the Cu-Cr phase diagram, the strength of Cu-Cr alloys by precipitation-hardening has reached a certain limit. Suitable nanoparticles incorporating into Cu-Cr alloys, i.e. nano-treating, are expected to modify the aging behavior and further improve their properties. In this study, Cu-Cr alloy containing tungsten (W) nanoparticles was cast. The aging behavior of the nano-treated Cu-Cr and Cu-Cr counterparts is assessed. W nanoparticles accelerate the precipitation, leading to a significant reduction in the peak-aging time. Besides, the microhardness of the nano-treated Cu-Cr is increased over Cu-Cr after 45-min aging. Cold rolling can further enhance the microhardness of the nano-treated Cu-Cr. Moreover, the nano-treated sample exhibits improved thermal stability. Thus, nano-treating the Cu-Cr alloy by W nanoparticles is promising to break the limits of current Cu-Cr alloys.
Proceedings Inclusion? Planned:


2D interlayer enabled electrical ductility for flexible electronics
A Brief Review on the Potential of MAX and MAB Phases and Their Derivatives based Composites from a Microstructural Perspective
A Comparative Study on the Effect of Graphene and Multi-walled Carbon Nanotubes used as Interlayers on Resistance Spot Welded Joints of a Carbon Steel
A Method for Measuring Total Protium and Total Deuterium in a Gas Mixture Containing Hydrogen, Deuterium and Hydrogen Deuterium Mixture Using Gas Chromatography
A Study Aimed at Understanding the Use of Nanomaterial-Treated Filters for the Uptake of Heavy Metals from Water Sources
Correlation of Fine Scale Microstructure and Mechanical Properties of Copper-Alumina Nanocomposites
Development of Ultra-High Conductivity Metal Composites
Effect of Heat Treatment on the Mechanical Properties of an Aluminum Alloy and Aluminum Alloy Composite: A Comparative Study
Electrochemical behavior for ZnCo-Carbon nanotube and ZnCo-graphene oxide composite coatings
Influence of Sintering on the Development of Alumina Toughened Nanocomposites: Conventional Versus Microwave
Influence of Tungsten Nanoparticles on Enhancing the Aging Behavior of a Copper-chromium Alloy
Iron Oxide - Gold Composite Nanoparticles and Nanogap Junctions for Sensing Applications Using Surface Enhanced Raman Scattering
Kinetics and Thermodynamics of Metal Cluster Nucleation over Graphene Oxide
Micro-structure and properties of Cu-10Ag in-situ filamentary composite
Microstructure Evolution of Al/Ca Metal-Matrix Composite Conductor Wires by Thermal Aging
Recent Advances in Analysis, Measurement and Properties of Composite Metal Foams
Strengthening Effects of Multi-walled Carbon Nanotubes and Graphene Nanoplatelets Reinforced in Nickel Matrix Nanocomposites
The Effect of Titanium Carbide and Spark Plasma Sintering Processing on Nickel-Titanium Carbide Composites
The Mechanical Performance of an In Situ Processed Nickel-Titanium-Graphite Metal Matrix Composites: Influence of Processing
The Tribological Behavior of an In-situ Processed Magnesium Alloy Based Metal Matrix Composite
Understanding the Mechanical Response of Friction Stir Welded In-situ Processed Aluminum Alloy Metal Matrix Composite: Experimental and Statistical Modelling Approaches
Use of an Infrared Spectroscopic Method for Isotopic Analysis of Gaseous Uranium Hexafluoride
In situ Atomic Study of Spontaneous Nanocrystallization of Intermetallic for Interconnection of High-Power and Flexible Electronics

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