Matériaux & Techniques
Volume 77, Number 7-8, 1989
|Page(s)||3 - 7|
|Published online||19 April 2017|
Endommagement des matériaux sous chocs*
Materials damaging under shocks
Commissariat à l'Energie Atomique, Centre d’Etudes de Bruyères-le-Châtel
The fracture of materials under dynamic loading appears to be a field of research of a great interest for many applications. However, it involves a lot of complex phenomena (metallurgical and mechanical) which play a significant role during very short times (= 1 μs). Consequently, experimental and theoretical approaches are quite difficult. In fact, fracture of materials is the ultimate stage of the development of a damage characterized by the nucléation and growth of microcracks or microvoids.
The purpose of this paper is to present, in a general way, the damage phenomena and the various resulting fracture mechanisms. Experimental techniques are described and some theoretical modélisations are discussed.
© SIRPE 1989
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