Indentation characteristics of glass/glass-nanocomposites in Fe-based alloys

被引：0
|
作者：
Kumari, Sarika [1 ]
Das, Aman Kumar Lal [2 ]
Mandal, R. K. [1 ]
机构：
[1] Indian Inst Technol BHU, Dept Met Engn, Varanasi 221005, India
[2] Indian Inst Sci, Adv Facil Microscopy & Microanal, Bangalore 560012, India
来源：
MATERIALS LETTERS | 2024年 / 370卷
关键词：
Amorphous materials; Indentation and hardness; Nanocomposites; Metals and alloys; STRUCTURAL MODEL; GLASS-FORMATION;
D O I：
10.1016/j.matlet.2024.136836
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Four iron-based alloys with ability to form glasses/glass-nanocomposites were synthesized through Cu-mould casting process. They were subjected to melt-spinning to get glass/glass-nanocomposites. The X-ray diffraction studies of as cast alloys reveal formation of Fe11Mo6C5 (mC44), alpha-Fe (cI2), Fe5C2 (mC28), Fe3C (oP116), Fe3W3C (cF112), and Cr7C3 (oP40) structure types. The melt-spun ribbons give rise to the formation of glassy phase as well as glass-nanocomposites depending on alloy composition. Samples processed through these two routes display hardness values in the range of - 9 to - 13GPa at 100 g load. Shear bands are observed in case of melt spun ribbons.
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页数：4
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