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Zhou, Qilai; Gao, Yue; Liu, Kai; Xue, Lihong; Yan, Youwei, E-mail: xuelh@mail.hust.edu.cn2015
AbstractAbstract
[en] Highlights: • Selective laser sintering (SLS) is employed to fabricate ceramic pebbles. • Quantities and diameter of the pebbles could be easily controlled by adjusting the model of pebbles. • All the pebbles could be prepared at a time within several minutes. • The Li_2TiO_3 pebbles sintered at 1100 °C show a notable crush load of 43 N. - Abstract: Lithium titanate, Li_2TiO_3, is an important tritium breeding material for deuterium (D)–tritium (T) fusion reactor. In test blanket module (TBM) design of China, Li_2TiO_3 is considered as one candidate material of tritium breeders. In this study, selective laser sintering (SLS) technology was introduced to fabricate Li_2TiO_3 ceramic pebbles. This fabrication process is computer assisted and has a high level of flexibility. Li_2TiO_3 powder with a particle size of 1–3 μm was used as the raw material, whilst epoxy resin E06 was adopted as a binder. Green Li_2TiO_3 pebbles with certain strengths were successfully prepared via SLS. Density of the green pebbles was subsequently increased by cold isostatic pressing (CIP) process. Li_2TiO_3 pebbles with a diameter of about 2 mm were obtained after high temperature sintering. Density of the pebbles reaches 80% of theoretical density (TD) with a comparable crush load of 43 N. This computer assisted approach provides a new efficient route for the production of Li_2TiO_3 ceramic pebbles.
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S0920-3796(15)00356-7; Available from http://dx.doi.org/10.1016/j.fusengdes.2015.05.061; Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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ALKALI METAL COMPOUNDS, ASIA, FABRICATION, LITHIUM COMPOUNDS, MATERIALS WORKING, NUCLEAR FUEL CONVERSION, ORGANIC COMPOUNDS, ORGANIC OXYGEN COMPOUNDS, ORGANIC POLYMERS, OXYGEN COMPOUNDS, PETROCHEMICALS, PETROLEUM PRODUCTS, PHYSICAL PROPERTIES, POLYMERS, SIZE, THERMONUCLEAR REACTORS, TITANATES, TITANIUM COMPOUNDS, TRANSITION ELEMENT COMPOUNDS
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