Effect of alloying order on non-isothermal sintering kinetics of mechanically alloyed high entropy alloy powders

Mane, Rahul B and Panigrahi, Bharat Bhooshan (2018) Effect of alloying order on non-isothermal sintering kinetics of mechanically alloyed high entropy alloy powders. Materials Letters, 217. pp. 131-134. ISSN 0167-577X

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Abstract

This work correlates the densification behaviors of high entropy alloy powders with the alloying order. Mechanically alloyed powders (CoFeNi, CoFeNiCr, CoFeNiCrMn and CoFeNiCrMnAl alloys) were non-isothermally sintered using dilatometer. It was demonstrated that when the alloying order or the number of alloying elements were increased from 3 elements to 6 elements, sintering kinetics were changed. Materials exhibit sluggish grain growth, reducing densification rates and increasing activation energies of sintering, with increasing configurational entropy. Increasing trend of micro-hardness also indicates the better mechanical properties of such alloys

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IITH Creators:
IITH CreatorsORCiD
Panigrahi, Bharat BhooshanUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Diffusion, High entropy alloy, Mechanical alloying, Sintering
Subjects: Materials Engineering > Materials engineering
Divisions: Department of Material Science Engineering
Depositing User: Team Library
Date Deposited: 19 Feb 2018 06:33
Last Modified: 19 Feb 2018 06:33
URI: http://raiith.iith.ac.in/id/eprint/3794
Publisher URL: http://doi.org/10.1016/j.matlet.2018.01.092
OA policy: http://www.sherpa.ac.uk/romeo/issn/0167-577X/
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