Cupronickel

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Description

An alloy of Copper that contains up to 40% Nickel. Examples of cupronickel alloys are found as coinage metals. Bactrian coinage was as early example of the use of cupronickel alloys (Scott 1991). The alloy, with about 25% nickel, is currently used for the interior of dimes and quarters in the United States.

Synonyms and Related Terms

copper nickel alloy; cupronickel (Fr.); cuproníquel (Port.)

Additional Information

D.Scott, Metallography and Microstructure of Ancient and Historic Metals. Getty Conservation Institute, 1991.

Sources Checked for Data in Record

  • David C. Scott, Metallography and Microstructure of Ancient and Historic Metals, The Getty Conservation Institute, Los Angeles, 1991 Comment: 15-40% nickel
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998 Comment: 10-30% nickel