Assessing Toughness Under Sudden, High-Speed Loading

A material that behaves acceptably under slow, steady loading might become dangerously brittle when loaded suddenly, and this needs to be checked directly rather than assumed.

References

• Charpy, A. "Résistance du fer et de l'acier au Choc." Mémoires de la Société d'Encouragement pour l'Industrie Nationale (1901).