Brittleness estimation of ceramic particulate composites |
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| Affiliation: | 1. Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian 350108, China;2. The Institute of Technological Sciences, Wuhan University, Wuhan, Hubei 430072, China;3. Key Lab for Hydropower Transients of Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China;4. Materials Program, Department of Chemical and Materials Engineering, University of Kentucky, KY 40506, United States;1. Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University – Qishan Campus, Fuzhou, Fujian 350108, P. R. China;2. Center for Fusion Science, Southwestern Institute of Physics, No.5, Huangjing Road, Shuangliu County, Chengdu 610225, P, R. China |
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| Abstract: | The possibility of calculating the brittleness parameter of ceramic particulate composites from indentation test data is investigated. Three different concepts are considered — based on threshold crack length, transition scratch depth and simple ratio of hardness to toughness. Threshold crack length based models predict higher values compared to the other two. |
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