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Electrocodeposited Quasicrystalline Coatings for Non-Stick Wear Resistant Cookware

Published online by Cambridge University Press:  01 February 2011

Zoran Minevski ,
Charles L. Tennakoon ,
Kelvin C. Anderson ,
Carl J. Nelson ,
Frederick C. Burns ,
Daniel J. Sordelet ,
Chad W. Haering  and
Don W. Pickard
Zoran Minevski
Affiliation:
Lynntech, Inc., 7607 Eastmark Dr. Suite 102, College Station, Texas, 77840
Charles L. Tennakoon
Affiliation:
Lynntech, Inc., 7607 Eastmark Dr. Suite 102, College Station, Texas, 77840
Kelvin C. Anderson
Affiliation:
Lynntech, Inc., 7607 Eastmark Dr. Suite 102, College Station, Texas, 77840
Carl J. Nelson
Affiliation:
Lynntech, Inc., 7607 Eastmark Dr. Suite 102, College Station, Texas, 77840
Frederick C. Burns
Affiliation:
Lynntech, Inc., 7607 Eastmark Dr. Suite 102, College Station, Texas, 77840
Daniel J. Sordelet
Affiliation:
Ames Laboratory, Iowa State University, 153 Spedding Hall, Ames, Iowa 50011–3020
Chad W. Haering
Affiliation:
U.S.Army Soldier Systems Center, Kansas St., Natick, Massachusetts, 01760–5018
Don W. Pickard
Affiliation:
U.S.Army Soldier Systems Center, Kansas St., Natick, Massachusetts, 01760–5018
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Abstract

Lynntech, Inc has successfully researched and demonstrated a unique method for the manufacture of quasicrystalline (QC) coatings that utilizes the process of electrocodeposition. The purpose of this study was to optimize the physical-mechanical properties of the QC coatings. All metal substrates were aluminum alloy Al-3004 and codeposition was performed using Al65Cu23Fe12 QC powders in nickel plating solutions. X-ray diffraction spectroscopy was performed in order to verify the attachment of quasicrystals to the aluminum alloy substrate and coated samples displayed identical spectra to those of raw QC powders. The average contact angle θ was 117.2° for electrocodeposited QC coatings. Friction was monitored during pin-on-disk wear tests and QC coated samples had coefficients of friction as low as 0.01 and an average value of 0.05 with samples showing no visible wear scar. Lynntech's electrocodeposited quasicrystalline coatings withstand high temperatures and exhibit low wear and friction characteristics with a low surface energy making them ideal for cookware, as well as various other applications such as bearings, landing gear and engine parts, where thermal and mechanical conditions are prime importance.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 805: Symposium LL – Quasicrystals , 2003 , LL10.3
Copyright
Copyright © Materials Research Society 2004

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References

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