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Meeting Materials Science & Technology 2019
Symposium Multifunctional Ceramic- and Metal-matrix Composites: Processing, Microstructure, Properties and Performance
Presentation Title Shear-Assisted Processing and Extrusion: A novel solid phase processing of making bulk size metal-matrix-composite without agglomeration
Author(s) Xiao Li, Nathan Canfield, Jens Darsell, Chen Zhou, Hongliang Wang, James Schroth, Glenn Grant
On-Site Speaker (Planned) Xiao Li
Abstract Scope Shear-Assisted Processing and Extrusion (ShAPE) is a solid phase processing technique that produces bulk size metal-matrix-composite (MMC) continuously without agglomeration. Void-free composite wires were directly produced in the single-step process. Two types of precursors were used: 1) a blend of copper carbon powder, 2) a solid copper cylinder with pre-drill holes filled with carbon powder. The measured processing temperature is below 600oC which is much lower than the melting temperature of copper. Energy Dispersive Spectroscopy (EDS) shows a highly homogenized carbon distribution with 50vol% carbon content. Electron backscatter diffraction (EBSD) indicates the grain size of the composite are refined from 78Ám to 1Ám. Differential scanning calorimetry (DSC) shows the composite has 22% higher specific heat capacity compared to copper.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Comparison of In-situ Aluminum Metal Matrix Composite Processes
Fabrication and High-temperature Bending Strength of Fully-dense ZrB2/50vol%B4C Composites
Fabrication of Stainless Steel Matrix Composite Reinforced with 3D Networked TiN
Mechanical Response of Graphene-Loaded Silicon Oxycarbide
Mechanical Strengthening of Aluminosilicate Composites with Graphene Oxide Fillers
Nanocarbon-reinforced Metal-matrix Nanocomposites
P2-66: Test and Evaluation of SiC/SiC Composites for High Temperature Components of the H-class Gas Turbine
P2-67: Hybrid Ceramic Matrix Composites
Shear-Assisted Processing and Extrusion: A novel solid phase processing of making bulk size metal-matrix-composite without agglomeration
Thermally-Conductive, Mechanically-Robust, Net-Shape Ceramic/Metal Composites for High-Temperature Concentrated Solar Power

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