Important changes in manufacturing beryllium powder products, mentioned in Chapter 2, have improved the mechanical properties of most mill products; data on earlier products (prior to 1970) are often obsolete. Block formerly showed about 1% elongation; it is now 3.0% minimum, usually about 4%. Sheet averages 15–20% elongation with a guaranteed 10% (formerly 5%). The strain-hardening coefficient has been improved significantly.


Fracture Toughness Creep Strength Bauschinger Effect Tensile Yield Strength Purity Block 
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Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • Norman P. Pinto
    • 1
  1. 1.Kawecki Berylco Industries, Inc.ReadingUSA

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