Development of a test specimen carrier for the Taylor anvil test using 3D additive printing technology
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Date
2024-10-01
Authors
Jopek, Miroslav
Müller, Samuel
Řiháček, Jan
0000-0001-5399-3059Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
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Abstract
Dynamic material testing is increasingly crucial for establishing a comprehensive description of material models. One of the primary testing methods is the Taylor Anvil Test (TAT). In this test, strain rates of up to 10 5 s -1 can be achieved at impact speeds of 250 m/s. Proper evaluation of a specific material specimen in this test relies on delivering the test specimen to the impact point both centrally and perpendicularly, as well as at the moment of reaching the maximum impact speed. This Article addresses the development of a new carrier for round test specimens manufactured using additive 3D printing technology from a polyactide polymer adapted for the TAT device with a calibre of 17 mm. The Article closely examines the influence of geometric parameters of the carrier itself, optimized using the Ansys Fluid Flow software, with a focus on internal ballistics, particularly to achieve perpendicular impact and maximum impact speed without causing the destruction of the carrier. A new type of test carrier was designed and subsequently tested for round test specimens made of the aluminium alloy Al 2024T3, evaluating both the impact speeds of the carrier under identical initiation pressure parameters in the filling chamber and the impact speed parameters of the specimen, respectively, the strain rate of the test specimen.
Description
Citation
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING. 2024, vol. 192, issue 10, p. 1-10.
https://www.sciencedirect.com/science/article/pii/S0734743X24001507
https://www.sciencedirect.com/science/article/pii/S0734743X24001507
Document type
Peer-reviewed
Document version
Published version
Date of access to the full text
Language of document
en