Characterization of 3D-Printed Ti-6Al-4V Alloy Behavior During Cold Deformation
Tin Brlić, Stoja Rešković, Sonja Kraljević Šimunković, Ljerka Slokar Benić, Samir Čimić
TL;DR
This study examines how 3D-printed Ti-6Al-4V alloy behaves during cold deformation, using methods like thermography and digital image correlation.
Contribution
The study provides new insights into the deformation behavior of 3D-printed Ti-6Al-4V alloys during cold deformation using combined experimental techniques.
Findings
Periodic oscillations in temperature changes were observed during elastic and plastic deformation.
A thermoelastic effect with a temperature drop between −0.47 °C and −0.54 °C was detected during elastic deformation.
Strain and strain rate localization significantly differ immediately before fracture.
Abstract
In this paper, the characterization of the deformation behavior of additively manufactured 3D-printed Ti-6Al-4V alloys during elastic and plastic deformation was carried out on the test samples deformation zone during cold deformation at room temperature. The additive manufacturing process direct metal laser sintering (DMLS) was used to 3D print the Ti-6Al-4V test samples. The temperature, i.e., stress, changes, strain, and strain rate distribution in the deformation zone of the 3D-printed Ti-6Al-4V alloy during elastic and plastic deformation were compared using static tensile tests, thermography, and digital image correlation (DIC) simultaneously. Periodic oscillations of the maximum temperature changes during elastic and plastic deformation were observed in the deformation zone. The thermoelastic effect with the lowest temperature drop between −0.47 °C and −0.54 °C was observed in…
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Taxonomy
TopicsAdditive Manufacturing Materials and Processes · Additive Manufacturing and 3D Printing Technologies · Titanium Alloys Microstructure and Properties