Volume 7, Issue 2, April 2019, Page: 46-53
Fracture Toughness Testing and Prediction for Ceramic Materials Using in Large-Flow-Rate Emulsion Pumps
Ran Li, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Wenshu Wei, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Shoubin Li, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Yinshui Liu, Department of Mechanical Engineering, Huazhong University of Science and Technology, Wuhan, China
Hao Liu, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Huigang Wu, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Wei Wang, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Jian Ye, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Chenjin Tian, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Dalong Wang, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Mengyu Wu, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Jiankai Zhang, Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Ltd., China Coal Technology and Engineering Group, Beijing, China
Received: Apr. 20, 2019;       Accepted: May 28, 2019;       Published: Jun. 12, 2019
DOI: 10.11648/j.ijmea.20190702.12      View  138      Downloads  32
Abstract
Fracture toughness (KIC) tests have been carried out on single edge precracked beam specimens with dimensions in accordance with ISO15732 requirements for two types of zirconia and one type of alumina, i.e. ZrO2 -1, ZrO2 -2 and Al2O3. Experimental determinations of KIC for the two zirconia and one alumina materials are 12.18 MPa•m1/2, 16.35 MPa•m1/2 and 4.99 MPa•m1/2, respectively. The median rank method is used to calculate the probability of fracture, F(KIC) of the three cermaic materials for representing the experimental results. The SEM analysis on fracture surfaces of ZrO2-1 materials is carried out, which indicates the fracture in ZrO2 -1 material occurred at the interior of the grain associated with interior stress distribution with principal components of ZrO2 and SiO2. Th extended finite element method (XFEM), based on the linear elastic fracture mechanics in conjuciton with a bilinear traction-separation damage law, is used to simulate the progressive crack growth process in the SEPB specimens. The XFEM predicted KIC results are compared with the corresponding experimental data. The XFEM approach overpredicts the KIC values, from 10.4% to 25.6%, for the three ceramic materials. The possible reasons, in the aspect of loading conditions and contact assumptions, for the difference between the predicted and tested results are also discussed.
Keywords
Fracture Toughness, Single Edge Precracked Beam, Zirconia, Alumina, XFEM
To cite this article
Ran Li, Wenshu Wei, Shoubin Li, Yinshui Liu, Hao Liu, Huigang Wu, Wei Wang, Jian Ye, Chenjin Tian, Dalong Wang, Mengyu Wu, Jiankai Zhang, Fracture Toughness Testing and Prediction for Ceramic Materials Using in Large-Flow-Rate Emulsion Pumps, International Journal of Mechanical Engineering and Applications. Vol. 7, No. 2, 2019, pp. 46-53. doi: 10.11648/j.ijmea.20190702.12
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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