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High strain rate deformation response of titanium for aerospace gas turbines

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Titanium has been used extensively and successfully in the aerospace industry since the 1950s. Nevertheless, there is a noticeable lack of understanding of high strain rate deformation, deformation twinning modes and the microscale mechanics during the high strain rate deformation of titanium alloys in ambient conditions. Using ballistic impact testing, commercial purity titanium and Ti–6Al–4V were tested at room temperature, at a strain rate of 10^3 s−1. The results have important implications for aerospace titanium alloys in gas turbine engines, in particular Ti–6Al–4V alloys for fan blade and compressor blade applications.

This talk is part of the Surfaces, Microstructure and Fracture Group series.

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