Abstract

Dynamic deformation is characterized by a high strain rate often in excess of 100 strain/s. The importance of understanding high strain rates is since in certain applications the impact rate is very rapid. An example is car crash deformation. Tests for dynamic deformation require special equipment for monitoring high strain rates. Prediction of the expected behavior of material exposed to high strain rates during application is important in order to design improved impact-resistant structural systems. The alloys considered in this book were exposed to dynamic deformation and the mechanical properties of these AM and CP alloys were compared. The stress rate sensitivity, m, of some alloys-specifically Ti-6Al-4V was evaluated. Twinning is more pronounced in dynamic than in static deformation. AlSi10Mg was considered in some deformation types in addition to Al6061, whenever information is available.

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