Using Additive Processing to Harness and Implement Graphene Technology for Wear and Corrosion Protection
Loading...
Authors
Nieto, Andy
Ansell, Troy
Subjects
graphene
additive manufacturing
additive manufacturing
Advisors
Date of Issue
2022-09
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
Graphene is an amazing two dimensional material that has garnered much attention since it was first fabricated nearly 20 years ago. Since its discovery in 2006, scientists and engineers have attempted to find applications of graphene, both standalone and as a part of a composite material, to bring the nanomaterial to market. As of 2022, nearly 20 different products have come to market taking advantage of one or more of graphene’s amazing properties, e.g., use as a flexible touch screen for smartphones because of the high electrical conductivity, stiffness, and optimal optical properties of graphene. This study focused on using graphene in both a polymer matrix composite and in an aluminum cold-sprayed coating. Graphene was added to a common polymer, polyethylene terephthalate glycol (PETG), to improve the hardness, wear resistance, and UV resistance of the polymer. The nanomaterial improved the hardness and wear resistance but experienced greater degradation when exposed to UV-B radiation at high temperature and humidity. Graphene was also added to Al powders, which were then cold sprayed onto an aluminum substrate. The graphene improved the hardness and adhesion strength of the coating but saw reduced wear resistance. Both effects were attributed to the interaction of the graphene with the Al “splats” in the coating
Type
Technical Report
Description
NPS NRP Technical Report
Series/Report No
Organization
Identifiers
NPS Report Number
NPS-MAE-22-003
Sponsors
N9 - Warfare Systems
Funder
This research is supported by funding from the Naval Postgraduate School, Naval Research Program (PE 0605853N/2098). https://nps.edu/nrp
Chief of Naval Operations (CNO)
Chief of Naval Operations (CNO)
Format
Citation
Distribution Statement
Approved for public release. Distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.