Accession Number : AD0776400

Title :   Influence of Stress, Strain and Strain Rate on Dynamic Fracture.

Descriptive Note : Final rept.,

Corporate Author : WASHINGTON UNIV SEATTLE COLL OF ENGINEERING

Personal Author(s) : Fyfe,Ian M. ; Polonis,Douglas H.

Report Date : JAN 1974

Pagination or Media Count : 13

Abstract : The work presented in this report summarizes the results obtained from an examination of dynamic fracture in aluminum alloys under biaxial strain conditions. It is shown that the initiation of dynamic fracture is controlled by the maximum principal stress and the pulse duration. The geometry of the fracture surface is explained in terms of the nucleation of microcracks, and the extent of the fracture is strongly dependent on the aging treatment undergone by the alloy. (Author)

Descriptors :   *Aluminum alloys, *Fracture(Mechanics), Dynamics, Stresses, Tensile properties, Aging(Materials), Crack propagation, Strain(Mechanics), Inclusions

Subject Categories : Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE