Ball milling of barium ferrite in air and vacuum

被引:8
作者
Kaczmarek, WA
机构
[1] Institute of Advanced Studies, Research School of Physical Sciences and Engineering, Australian National University, Canberra
关键词
D O I
10.1007/BF00355934
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effects of prolonged milling in air and vacuum on BaFe12O19 ionic crystal structure and particles morphology have been analysed. X-ray diffraction, scanning electron microscopy and thermal analysis experiments show that for vacuum-milled material the ordered structure transforms progressively into a stable disordered nanocrystalline phase. For air-milled samples, apart from structural transformation, chemical decomposition was found.
引用
收藏
页码:5271 / 5279
页数:9
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