Comparison of biaxial strength measured with the Ball-on-Three-Balls- and the Ring-on-Ring-test

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Comparison of biaxial strength measured with the Ball-on-Three-Balls- and the Ring-on-Ring-test. / Staudacher, Maximilian; Lube, Tanja; Schlacher, Josef; Supancic, Peter.

in: Open ceramics, Jahrgang 6.2021, Nr. June, 100101, 17.04.2021.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{bdc9fe5687c249a7b30da4b9007c87d4,
title = "Comparison of biaxial strength measured with the Ball-on-Three-Balls- and the Ring-on-Ring-test",
abstract = "The Ball-on-Three-Balls-test (B3B) and the Ring-on-Ring-test (RoR) were conducted on alumina discs and compared based on Weibull-Theory. The influence of various intermediate layers was evaluated. To support these findings, Finite-Element-Analysis was conducted to analyze the effects of deviations from ideal loading conditions. The influence of friction between sample and fixture and the effects of an inhomogeneous load distribution on the maximum stress were investigated. The experiments demonstrated that measuring corresponding strength values with both testing methods is possible. To properly asses the strength using the RoR-test, intermediate layers must be used. Teflon-foils or adhesive tapes are considered suitable. If no intermediate layer is used, the materials strength will be underestimated. Finite-Element-calculations show that this effect cannot be explained by the influence of friction and is rather caused by a non-homogeneous load distribution along the load-ring. Fractography supports these findings.",
author = "Maximilian Staudacher and Tanja Lube and Josef Schlacher and Peter Supancic",
year = "2021",
month = apr,
day = "17",
doi = "10.1016/j.oceram.2021.100101",
language = "English",
volume = "6.2021",
journal = "Open ceramics",
issn = "2666-5395",
publisher = "Elsevier",
number = "June",

}

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TY - JOUR

T1 - Comparison of biaxial strength measured with the Ball-on-Three-Balls- and the Ring-on-Ring-test

AU - Staudacher, Maximilian

AU - Lube, Tanja

AU - Schlacher, Josef

AU - Supancic, Peter

PY - 2021/4/17

Y1 - 2021/4/17

N2 - The Ball-on-Three-Balls-test (B3B) and the Ring-on-Ring-test (RoR) were conducted on alumina discs and compared based on Weibull-Theory. The influence of various intermediate layers was evaluated. To support these findings, Finite-Element-Analysis was conducted to analyze the effects of deviations from ideal loading conditions. The influence of friction between sample and fixture and the effects of an inhomogeneous load distribution on the maximum stress were investigated. The experiments demonstrated that measuring corresponding strength values with both testing methods is possible. To properly asses the strength using the RoR-test, intermediate layers must be used. Teflon-foils or adhesive tapes are considered suitable. If no intermediate layer is used, the materials strength will be underestimated. Finite-Element-calculations show that this effect cannot be explained by the influence of friction and is rather caused by a non-homogeneous load distribution along the load-ring. Fractography supports these findings.

AB - The Ball-on-Three-Balls-test (B3B) and the Ring-on-Ring-test (RoR) were conducted on alumina discs and compared based on Weibull-Theory. The influence of various intermediate layers was evaluated. To support these findings, Finite-Element-Analysis was conducted to analyze the effects of deviations from ideal loading conditions. The influence of friction between sample and fixture and the effects of an inhomogeneous load distribution on the maximum stress were investigated. The experiments demonstrated that measuring corresponding strength values with both testing methods is possible. To properly asses the strength using the RoR-test, intermediate layers must be used. Teflon-foils or adhesive tapes are considered suitable. If no intermediate layer is used, the materials strength will be underestimated. Finite-Element-calculations show that this effect cannot be explained by the influence of friction and is rather caused by a non-homogeneous load distribution along the load-ring. Fractography supports these findings.

UR - https://pure.unileoben.ac.at/portal/en/publications/comparison-of-biaxial-strength-measured-with-the-ballonthreeballs-and-the-ringonringtest(bdc9fe56-87c2-49a7-b30d-a4b9007c87d4).html

U2 - 10.1016/j.oceram.2021.100101

DO - 10.1016/j.oceram.2021.100101

M3 - Article

VL - 6.2021

JO - Open ceramics

JF - Open ceramics

SN - 2666-5395

IS - June

M1 - 100101

ER -