Method of determination of a volume fraction of a crystalline phase in amorphous-crystalline materials

被引：0
|
作者：
Il'yins'ky, OG [1 ]
Brovko, OP [1 ]
Maslov, VV [1 ]
Nosenko, VC [1 ]
Yevlash, IK [1 ]
机构：
[1] GV Kurdyumov Met Phys Inst, UA-03680 Kiev, Ukraine
来源：
METALLOFIZIKA I NOVEISHIE TEKHNOLOGII | 1999年 / 21卷 / 12期
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The method for determination of volume fraction of crystalline phase in amorphous-crystalline materials is proposed. The method is based on the analysis of X-ray patterns obtained under a study of structure-phase changes in the nanocrystalline alloys of Finemet-type. Verification of the method is carried out with the use of X-ray diffraction data (including small-angle scattering) for specimens in as-quenched amorphous state as well as after various temperatures of annealing, which provided the formation and growth of crystals in amorphous matrix within the sizes' range front 2 to 15 nm. The method is the most effective under nanocrystals' size exceeding 5-6 nm, when their further increase does not influence an the height and width of diffraction reflexes.
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页码：38 / 45
页数：8
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