Vaidya, Mayur ; Armugam, Senthil ; Kashyap, Sanjay ; Murty, B. S. (2015) Amorphization in equiatomic high entropy alloys Journal of Non-Crystalline Solids, 413 . pp. 8-14. ISSN 0022-3093
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.jnoncrysol.2015.01.015
Abstract
Amorphization behavior in equiatomic high entropy alloys has been investigated. Pseudo-binary FeCrNi–M–B alloys and true equiatomic high entropy compositions FeCrNi–M–Si (M = Co, Mn, Nb, Ti, Zr) have been synthesized using mechanical alloying. Formation of amorphous phase has been confirmed using X-ray diffraction analysis and transmission electron microscopy. All alloys containing Si showed significant amorphization. Fe80B20 is known to be a good glass former, but no amorphous phase was observed in Fe–B based alloys except for FeCrNiNbB. The slower kinetics of dissolution of B in the alloy due to its sluggish diffusivity caused by its higher melting point is attributed to be the reason for the poor amorphization in B containing alloys.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | High Entropy Alloys; Amorphization; Glass Forming Ability; Mechanical Alloying |
| ID Code: | 110956 |
| Deposited On: | 06 Dec 2017 11:09 |
| Last Modified: | 06 Dec 2017 11:09 |
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