Abstract

AbstractThe study of the behaviour of material under the influence of dynamic loads has been pursued, to a large extent, for practical reasons. It has been recognized for almost one hundred years that the deformation behaviour of materials will, in general, change as the rate of loading is increased. Within the realms of the mechanics of solids. this time-dependence of the stress/strain relationship has been treated as a fundamental problem; in the context of engineering practice it has been recognized as being a significant factor controlling the design and manufacture of engineering products. There are three major areas where better understanding of the material is of immediate interest. These are fracture mechanics, metal cutting and forming, and the development of engineering metals and alloys, their heat-treatment, and the production control of their quality. Of course none of the boundaries of these areas can be delineated with any degree of exactness. For example, criteria for fracture resistance a...

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