Definition

• Embrittlement.  A casting anomaly in which an area of a cast piece is less than sturdy where it is susceptible to breaking.  Embrittlement is an internal imperfection not easily identified by surface inspection and most often noticed after the piece has broken. The piece should be recast with careful attention paid to correct alloy formulation, temperature control and pouring technique.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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