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Title: Strain rate dependent flow stress characterization using piezo-actuated micropress
Authors: Taureza, Muhammad
Castagne, Sylvie
Tjahjowidodo, Tegoeh
Hu, Peng
Keywords: DRNTU::Engineering::Aeronautical engineering::Materials of construction
Issue Date: 2014
Source: Taureza, M., Castagne, S., Tjahjowidodo, T., & Hu, P. (2014). Strain rate dependent flow stress characterization using piezo-actuated micropress. Procedia engineering, 81, 1451-1456.
Series/Report no.: Procedia Engineering
Abstract: The effect of strain rate on the mechanical response during microforming deformation is investigated for commercially pure titanium and aluminum. Piezoelectric actuated micropress is used to generate controlled constant strain rate between 0.1 and 10 sec-1 in a compression experiment using three different sizes of specimens. Investigations suggest that the increase of free and constrained surface grains results in hardening-softening competition with miniaturization. In addition, loading rate in micro compression significantly influence the work hardening behavior for both materials.
DOI: 10.1016/j.proeng.2014.10.172
Rights: © 2014 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( Selection and peer-review under responsibility of the Department of Materials Science and Engineering, Nagoya University.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Conference Papers

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