Abstract
The fracture toughness of three steels was determined as a function of temperature in static and dynamic conditions. Very high loading rates (K approximately equals 10**6 MPa/ms** minus **1) are obtained by using stress wave loading with a split Hopkinson pressure bar apparatus. The instability of a crack in these particular conditions is examined. The amplitude of the temperature shift between the transition temperature obtained in static and dynamic conditions is compared with the results given Barsom's formula. The possibility of using a local rupture criterion such as the Ritchie, Knott and Rice criterion, in dynamic conditions is considered.
| Translated title of the contribution | Effect of Large Strain Rates on the Toughness of Steels. |
|---|---|
| Original language | French |
| Pages (from-to) | 2-8 |
| Number of pages | 7 |
| Journal | Mecanique, materiaux, electricite |
| Issue number | 401 |
| State | Published - 1983 |
ASJC Scopus subject areas
- General Engineering
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