首页|Nitrogen-Induced Phase Separation in Equiatomic FeNiCo Medium Entropy Alloy

Nitrogen-Induced Phase Separation in Equiatomic FeNiCo Medium Entropy Alloy

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We report the first observation of isothermal phase separation triggered by inwardly diffusing interstitial nitrogen atoms during nitriding of an equiatomic FeNiCo medium entropy alloy. Detailed microstructural characterization revealed a phase-separated microstructure within the nitrided region containing two FCC solid solution phases with one enriched in Fe and N while other enriched in Co and Ni. This demonstrates the potential utilization of interstitial N alloying to tailor the microstructure of multi-principal element alloys.

S.A.R. QADRI、S.R. MEKA、K.N. SASIDHAR

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Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247677, India

Department Microstructure Physics and Alloy Design, Max-Planck-Institut fur Eisenforschung GmbH, 40237 Dtisseldorf, Germany

2022

Metallurgical and Materials Transactions

Metallurgical and Materials Transactions

ISSN:1073-5623
年,卷(期):2022.53A(9)
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