Development of an Environmental Wear Corrosion Test for Coinage Materials

R Baboian; GS Haynes

doi:10.1520/STP33785S

SYMPOSIA PAPER Published: 01 January 1985

STP33785S

Development of an Environmental Wear Corrosion Test for Coinage Materials

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An accelerated environmental wear test has been developed that duplicates the behavior of coins in circulation mechanistically as well as visually. The environmental wear properties of monometal copper coins and of copper clad steel coins are improved by addition of zinc or nickel to the copper to form brass or copper-nickel (CuNi) alloys. Noble metal clad steel coins have similar environmental wear resistance to their respective noble monometal coins.

Author Information

Baboian, R

Texas Instruments Incorporated, Electrochemical and Corrosion Laboratory, Attleboro, MA

Haynes, GS

Texas Instruments Incorporated, Electrochemical and Corrosion Laboratory, Attleboro, MA

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Details

Developed by Committee: G01

Pages: 260–274

DOI: 10.1520/STP33785S

ISBN-EB: 978-0-8031-4931-1

ISBN-13: 978-0-8031-0443-3

Development of an Environmental Wear Corrosion Test for Coinage Materials

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