Neutron adsorption performance of Dy2TiO5 materials obtained from powders synthesized by the molten salt method |
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| Affiliation: | 1. Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials of Ministry of Education, Shandong University, Jinan 250061, PR China;2. Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250061, PR China;1. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China;2. College of Science, Yanshan University, Qinhuangdao 066004, China;3. College of Physics and Chemistry, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China;4. Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok 10330, Thailand;1. Immobilisation Science Laboratory, Department of Materials Science and Engineering, University of Sheffield, Sheffield S1 3JD, UK;2. National Nuclear Laboratory, 5th Floor, Chadwick House, Warrington Road, Birchwood Park, Warrington, Cheshire WA3 6AE, UK;1. Department of Chemical and Materials Engineering, Chung Cheng Institute Technology, National Defense University, Da-Xi, Tao-Yuan 335, Taiwan;2. Materials & Electro-Optics Research Division, National Chung-Shan Institute of Science & Technology, Da-Xi, Tao-Yuan 335, Taiwan |
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| Abstract: | ![]()
Dy2TiO5 powders were synthesized by molten salt and solid-state methods. The influences of molten medium on phase compositions and microstructures were analyzed. The addition of molten salt lowered significantly the synthesis temperature and resulted in uniform powders. Green bodies compacted from the prepared powders were pressureless sintered at 1600 °C. Sinterability, mechanical properties and neutron absorption performance of the sintered pellets were studied. Results showed that molten salt synthesis resulted in materials with higher fracture toughness and bending strength, excellent hardness and neutron adsorption performance compared to the solid-state process. The neutron absorption rate reached 86.6% for 8 cm thick pellets. |
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| Keywords: | Titanates Powders Agglomeration Mechanical properties Neutron adsorption |
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