TY - JOUR
T1 - The ball-on-three-balls strength test: In-situ testing through X-ray radiography and tomography
AU - Staudacher, Maximilian
AU - Pinzón, Gustavo
AU - Adrien, Jérôme
AU - Lachambre, Joël
AU - Maire, Eric
AU - Chevalier, Jérôme
AU - Lube, Tanja
N1 - Publisher Copyright:
© 2023 The Authors
PY - 2024/3
Y1 - 2024/3
N2 - Over the past two decades, the Ball-on-Three-Balls-test (B3B) has been increasingly used due to its low systematic error and simple execution. A limiting factor for a more wide-spread use of the B3B-test is the lack of an accurate analytical solution. This demands the use of numerical methods, such as Finite-Element-Analysis (FEA). In a recent work, FEA has been used to assess the influence of non-linear effects on the measured strength. To validate the utilized FEA-model, the experimental measurement of the specimen's deflection can be drawn on. Due to the design of the fixture for the B3B-test, common deflection-measurement methods are not straightforward. Therefore, X-ray tomography is employed in this paper to track the displacement of the load and support balls for thin plates of a high-strength glass and Ce-doped zirconia presenting transformation-induced plasticity. Furthermore, the ball displacement is also determined from two-dimensional radiographs and shows good agreement with FEA results.
AB - Over the past two decades, the Ball-on-Three-Balls-test (B3B) has been increasingly used due to its low systematic error and simple execution. A limiting factor for a more wide-spread use of the B3B-test is the lack of an accurate analytical solution. This demands the use of numerical methods, such as Finite-Element-Analysis (FEA). In a recent work, FEA has been used to assess the influence of non-linear effects on the measured strength. To validate the utilized FEA-model, the experimental measurement of the specimen's deflection can be drawn on. Due to the design of the fixture for the B3B-test, common deflection-measurement methods are not straightforward. Therefore, X-ray tomography is employed in this paper to track the displacement of the load and support balls for thin plates of a high-strength glass and Ce-doped zirconia presenting transformation-induced plasticity. Furthermore, the ball displacement is also determined from two-dimensional radiographs and shows good agreement with FEA results.
UR - http://www.scopus.com/inward/record.url?scp=85178393502&partnerID=8YFLogxK
U2 - https://doi.org/10.1016/j.oceram.2023.100514
DO - https://doi.org/10.1016/j.oceram.2023.100514
M3 - Article
SN - 2666-5395
VL - 17
JO - Open ceramics
JF - Open ceramics
M1 - 100514
ER -