CAJ | 학술논문

钽酸锂作为一种具有潜在应用价值的新型固体氚增殖剂,主要有三种化合物:LiTaO_3,Li_3TaO_4和Li_7TaO_6,Li_3TaO_4具有较高的锂密度(0.46g/cm~3),还具有高熔点(＞1400℃)、良好的热学稳定性和较高的热导率等特点.本文采用固相反应法制备出高相纯(＞99%)、小粒径(1.4μma.v)的β-Li_3TaO_4粉末.并从锂密度、相结构稳定性、热学稳定性和热导率方面讨论了Li_3TaO_4作为氚增殖剂备选材料的可能性.
단산리작위일충구유잠재응용개치적신형고체천증식제,주요유삼충화합물:LiTaO_3,Li_3TaO_4화Li_7TaO_6,Li_3TaO_4구유교고적리밀도(0.46g/cm~3),환구유고용점(＞1400℃)、량호적열학은정성화교고적열도솔등특점.본문채용고상반응법제비출고상순(＞99%)、소립경(1.4μma.v)적β-Li_3TaO_4분말.병종리밀도、상결구은정성、열학은정성화열도솔방면토론료Li_3TaO_4작위천증식제비선재료적가능성.
Lithium orthotantalum is a new promising solid tritium breeder,and there are mainly three kinds of compounds:LiTaO_3,Li_3TaO_4 and Li_7TaO_6.With high lithium density (0.46g/cm~3),high melting point (＞1400℃),good thermal stability and high thermal conductivity,Li_3TaO_4 may become a new promising solid tritium breeder candidate.In this paper β-Li_3TaO_4 powder with high phase purity (＞99%) and small particle size (1.4μm a.v) was obtained by the solid-state method.The possibility of Li_3TaO_4 as a tritium breeder candidate was discussed primarily from the viewpoint of lithium density,stability of phase structure,thermal stability,and thermal conductivity.