(186ak) Metal-Encapsulated Carbon Nanotubes to Enhance Dispersion in Metal Matrix Composites
AIChE Annual Meeting
2019
2019 AIChE Annual Meeting
Nanoscale Science and Engineering Forum
Poster Session: Nanoscale Science and Engineering
Monday, November 11, 2019 - 3:30pm to 5:00pm
Since their discovery, carbon nanotubes (CNTs) have been investigated for their incredible physical, electrical, and thermal properties. Harnessing these properties in a usable form has proven challenging. Adding CNTs to metals to form metal-matrix composites (MMCs) can potentially achieve significant increases to base metal properties; however, current composite properties are limited due to CNT aggregation and poor interfacial bonding between the metal and CNT. We have demonstrated a method to encapsulate individual, or small bundles of, CNTs in a metal-shell without the use of vacuum processing. This encapsulation process improves the dispersion of CNTs within a metal composite and increases the bonding between the CNT and metal matrix. Using this encapsulation process we have shown that a steel composite added Fe-encapsulated CNTs improves axial fatigue life by greater vs. plain steel.
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