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Dynamic behavior of advanced Ti alloy under impact loading: experimental and numerical analysis

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conference contribution
posted on 17.08.2011, 12:47 authored by Murat Demiral, Anish RoyAnish Roy, Vadim SilberschmidtVadim Silberschmidt
Industrial applications of Ti-based alloys, especially in aerospace, marine and offshore industries, have grown significantly over the years primarily due to their high strength, light weight as well as good fatigue and corrosion-resistance properties. A combination of experimental and numerical studies is necessary to predict a material behavior of such alloys under high strain-rate conditions characterized also by a high level of strains accompanied by high temperatures. A Split Hopkinson Pressure Bar (SHPB) technique is a commonly used experimental method to characterize a dynamic stress-strain response of materials at high strain rates. In a SHPB test, the striker bar is shot against the free end of the incident stress bar, which on impact generates a stress pulse propagating in the incident bar towards the specimen sandwiched between the incident and transmitted bars. An experimental study and a numerical analysis based on a three-dimensional finite element model of the SHPB experiment are performed in this study to assess various features of the underlying mechanics of deformation processes of the alloy tested at high-strain and -strain-rate regimes.



  • Mechanical, Electrical and Manufacturing Engineering


DEMIRAL, M., ROY, A. and SILBERSCHMIDT, V.V., 2011. Dynamic behavior of advanced Ti alloy under impact loading: experimental and numerical analysis. IN: Burguete, R. L. ... et al, (eds.). Advances in Experimental Mechanics VIII. Selected, peer reviewed papers from the 8th International Conference on Advances in Experimental Mechanics: Integrating Simulation and Experimentation for Validation, September 7-9, 2011, Edinburgh, Scotland, pp. 207-212


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Applied mechanics and materials;70