Impulse Excitation Technique IET as a non-destructive method for determining changes during the gelcasting process |
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| Affiliation: | 1. Refractory Materials Division, Institute of Ceramics and Building Materials, Toszecka 99 St., 44-100 Gliwice, Poland;2. Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3 St., 00-664 Warsaw, Poland;1. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China;2. State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai 200072, China;3. Instrumental Analysis & Research Center, Shanghai University, Shanghai 200072, China;4. Materials Genome Institute, Shanghai University, Shanghai 200444, China;1. School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China;2. School of Economics and Management, University of South China, Hengyang 421001, China;3. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China;4. Department of Material Industry and development, Aerospace Research Institute of Material and Processing Technology, Beijing 100076, China;1. Key Laboratory of Marine Materials and Related Technologies, Key Laboratory of Marine Materials and Protective Technologies of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;2. Department of Biomaterial Science, Institute for Materials Research, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan;1. School of Mechanical Engineering, Dongguan University of Technology, Dongguan, 523808, Guangdong, China;2. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, 510006, Guangdong, China;3. School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, China;1. Department of Materials Science and Engineering, the University of Illinois at Urbana-Champaign, Champaign, IL, United States;2. Department of Mechanical Science and Engineering, the University of Illinois at Urbana-Champaign, Champaign, IL, United States;3. Department of Chemical and Biomolecular Engineering, the University of Illinois at Urbana-Champaign, Champaign, IL, United States |
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| Abstract: | Gelcasting is a good method for obtaining ceramic components with a pre-defined shape. From the point of view of the course of the ceramic casting process, a very important issue is the so-called idle time or gelation time whose measurement is usually based on determining changes in ceramic slurry viscosity by means of rheometers. However, searches are being continued to find methods which would have the least impact on the interactions between ceramic powder particles and the forming polymeric structure and would allow more time range to observe changes in gelcasting process compared to classic measurements of viscosity.In the article, based on measurements on Al2O3, ZrO2 and SiC-based gelcasting systems with various water-soluble acrylic monomers, it has been demonstrated that such requirements may be fulfilled by IET (Impulse Excitation Technique). |
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| Keywords: | A Shaping A Suspensions B Non-destructive evaluations Gelcasting |
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