期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 311, 期 2, 页码 256-264出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0925-8388(00)01076-8
关键词
LiB compound; Li-B alloy; crystal structure
The crystal structure and morphology of the compound LiB, used as a refractory frame in the advanced thermal battery anode of Li-B alloys, have been determined. The X-ray diffraction (XRD) pattern of the compound indicates that its composition is LiB, it belongs to space group No.194, P6(3)/mmc, with hexagonal structure, a = 0.4022 nm and c = 0.2796 nm. In the unit cell, B atoms occupy the position (2b) (0,0,1/4) and Li (2c) (1/3,2/3,1/4). The theoretical density of the compound is 1.50 g/cm(3). SEM results indicate that the compound is in the form of a fiber with random orientation. After rolling, the LiB fibers align along the rolling direction. The corresponding texture has been verified by X-ray photography and XRD patterns, and it fits well with theoretical predictions. (C) 2000 Elsevier Science S.A. All rights reserved.
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