Ball-on-ring test validation for equibiaxial flexural strength testing of engineered ceramics

Adrianna E. Lupercio; Ehsan Moshkelgosha; Riley C. Winters; Cayden Doyle; Mahmood Mamivand; Andrew T. Nelson; Brian J. Jaques

doi:10.1002/ces2.10085

Ball-on-ring test validation for equibiaxial flexural strength testing of engineered ceramics

Adrianna E. Lupercio, Ehsan Moshkelgosha, Riley C. Winters, Cayden Doyle, Mahmood Mamivand, Andrew T. Nelson, Brian J. Jaques

Nuclear Energy and Fuel Cycle Division

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The validation of a ball-on-ring, equibiaxial flexural strength method to obtain the transverse rupture strength (TRS) of right cylindrical ceramic specimens was performed in this study. Validation of the test method was achieved using commercially available engineered high purity alumina disks and finite element (FE) model analysis. The validated fixture was then used to obtain the TRS and Weibull statistical analysis of MgO-partially stabilized zirconia (MSZ) and Y₂O₃-partially stabilized zirconia (YSZ) ceramic disks. TRS data for alumina, MSZ, and YSZ agreed with the TRS values reported in the literature. A statistically relevant number of samples (N > 30) for each material were tested to allow for a Weibull statistical analysis. Weibull parameters for these materials were within the expected values for engineered ceramics. The characteristic strength for alumina, MSZ, and YSZ were determined to be 289, 786, and 814 MPa, respectively. The Weibull modulus was determined between 10 and 25 for each material, which is typical of engineered ceramics. In addition, FE model results were in close agreement with experimental fracture values for the three ceramic materials tested in this study.

Original language	English
Pages (from-to)	128-139
Number of pages	12
Journal	International Journal of Ceramic Engineering and Science
Volume	3
Issue number	3
DOIs	https://doi.org/10.1002/ces2.10085
State	Published - May 2021

Funding

This project was partially supported through Oak Ridge National Laboratory and the Advanced Fuels Campaign (AFC) funding as well as an Integrated University Program (IUP) Graduate Fellowship.

Funders	Funder number
Advanced Fuels Campaign
Oak Ridge National Laboratory

Keywords

Weibull statistics
alumina
finite element analysis
rupture
zirconia: partially stabilized

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10.1002/ces2.10085

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title = "Ball-on-ring test validation for equibiaxial flexural strength testing of engineered ceramics",

abstract = "The validation of a ball-on-ring, equibiaxial flexural strength method to obtain the transverse rupture strength (TRS) of right cylindrical ceramic specimens was performed in this study. Validation of the test method was achieved using commercially available engineered high purity alumina disks and finite element (FE) model analysis. The validated fixture was then used to obtain the TRS and Weibull statistical analysis of MgO-partially stabilized zirconia (MSZ) and Y2O3-partially stabilized zirconia (YSZ) ceramic disks. TRS data for alumina, MSZ, and YSZ agreed with the TRS values reported in the literature. A statistically relevant number of samples (N > 30) for each material were tested to allow for a Weibull statistical analysis. Weibull parameters for these materials were within the expected values for engineered ceramics. The characteristic strength for alumina, MSZ, and YSZ were determined to be 289, 786, and 814 MPa, respectively. The Weibull modulus was determined between 10 and 25 for each material, which is typical of engineered ceramics. In addition, FE model results were in close agreement with experimental fracture values for the three ceramic materials tested in this study.",

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author = "Lupercio, {Adrianna E.} and Ehsan Moshkelgosha and Winters, {Riley C.} and Cayden Doyle and Mahmood Mamivand and Nelson, {Andrew T.} and Jaques, {Brian J.}",

note = "Publisher Copyright: {\textcopyright} 2021 The Authors. International Journal of Ceramic Engineering & Science published by Wiley Periodicals LLC on behalf of American Ceramic Society.",

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AU - Lupercio, Adrianna E.

AU - Moshkelgosha, Ehsan

AU - Winters, Riley C.

AU - Doyle, Cayden

AU - Mamivand, Mahmood

AU - Nelson, Andrew T.

AU - Jaques, Brian J.

PY - 2021/5

Y1 - 2021/5

N2 - The validation of a ball-on-ring, equibiaxial flexural strength method to obtain the transverse rupture strength (TRS) of right cylindrical ceramic specimens was performed in this study. Validation of the test method was achieved using commercially available engineered high purity alumina disks and finite element (FE) model analysis. The validated fixture was then used to obtain the TRS and Weibull statistical analysis of MgO-partially stabilized zirconia (MSZ) and Y2O3-partially stabilized zirconia (YSZ) ceramic disks. TRS data for alumina, MSZ, and YSZ agreed with the TRS values reported in the literature. A statistically relevant number of samples (N > 30) for each material were tested to allow for a Weibull statistical analysis. Weibull parameters for these materials were within the expected values for engineered ceramics. The characteristic strength for alumina, MSZ, and YSZ were determined to be 289, 786, and 814 MPa, respectively. The Weibull modulus was determined between 10 and 25 for each material, which is typical of engineered ceramics. In addition, FE model results were in close agreement with experimental fracture values for the three ceramic materials tested in this study.

AB - The validation of a ball-on-ring, equibiaxial flexural strength method to obtain the transverse rupture strength (TRS) of right cylindrical ceramic specimens was performed in this study. Validation of the test method was achieved using commercially available engineered high purity alumina disks and finite element (FE) model analysis. The validated fixture was then used to obtain the TRS and Weibull statistical analysis of MgO-partially stabilized zirconia (MSZ) and Y2O3-partially stabilized zirconia (YSZ) ceramic disks. TRS data for alumina, MSZ, and YSZ agreed with the TRS values reported in the literature. A statistically relevant number of samples (N > 30) for each material were tested to allow for a Weibull statistical analysis. Weibull parameters for these materials were within the expected values for engineered ceramics. The characteristic strength for alumina, MSZ, and YSZ were determined to be 289, 786, and 814 MPa, respectively. The Weibull modulus was determined between 10 and 25 for each material, which is typical of engineered ceramics. In addition, FE model results were in close agreement with experimental fracture values for the three ceramic materials tested in this study.

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Ball-on-ring test validation for equibiaxial flexural strength testing of engineered ceramics

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