Experimental and computational analysis for thermo-erosive stability assessment of ZrB2-SiC based multiphase composites |
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| Affiliation: | 1. Centre of Excellence in Hypersonics, Indian Institute of Science, Bangalore, India;2. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kanpur, India;3. Materials Research Centre, Indian Institute of Science, Bangalore, India;4. Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Roorkee, India;1. School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, China;2. School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China;1. Department of Materials Science and Engineering, Faculty of Mechanical Engineering, University of Tabriz, Tabriz, Iran;2. Department of Materials Science and Engineering, MUT, Tehran, Iran;1. Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, Republic of Korea;2. Department of Metallurgical and Materials Engineering, Colorado School of Mines, Golden 80401, USA;3. Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea;1. Institute for NanoScale Science and Technology, Flinders Microscopy and Microanalysis, Flinders University, GPO Box 2100, Adelaide, South Australia 5001, Australia;2. School of Mechanical Engineering, University of Adelaide, South Australia, Australia;3. School of Manufacturing Engineering, University Malaysia Perlis, Malaysia;1. Escola de Engenharia de Lorena, EEL-USP, 12600-970 Lorena, Brazil;2. Instituto de Física Rosario, CONICET-UNR, 2000 Rosario, Argentina |
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| Abstract: | High temperature erosion tests were conducted on spark plasma sintered ZrB2-SiC based multiphase ceramic composites at 1073 K in thermo-erosive environment for 1200 s with a net energy deposition per unit area of 50.5 MJ/m2. The thermo-erosive mechanisms were qualitatively discussed using XRD and SEM-EDS analyses. Efforts were made to assess feasibility of identified reactions at the computed temperatures to support reaction mechanism for oxide formation in eroded region. Finite element (FE) analysis with high-quality structural elements was used to determine the spatial temperature and stress distribution in the eroded region. Taken together, the present study highlights the significance of combined approach of computational and experimental analysis in understanding the thermo-erosive-structural stability in applications where erosion can limit the performance of ceramic composites. |
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