Title: Boundary line of microcrystallines in amorphous and crystalline structures of metallic glasses
Abstract: In a current study being conducted by the author, microcrystallines were observed to exist in amorphous, short order, structures of several metallic glasses. The observation is based on x- ray diffraction (XRD) and electron diffraction (ED) and transmission electron microscopy (TEM). The data of the x-ray diffraction show that the metallic glasses have typical amorphous structures. However, the data of the electron diffraction indicates that the metallic glasses possess polycrystalline structures. This discrepancy between the XRD and ED data can be interpreted and explained by the diffraction theory with the aid of the transmission electron microscopy. In fact results in the present work show that with a mathematical relationship originally derived by Sherrer, one can determine the boundary line between microcrystallines in amorphous, short order, structures and crystalline, long order, structures. The boundary line of microcrystallines is defined with the aid of the transmission electron microscopy in which the size of subgrains, of the metallic glasses, was determiend for the mathematical relationship.
Publication Year: 1995
Publication Date: 1995-09-01
Language: en
Type: article
Indexed In: ['crossref']
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