Polymorphism in a high-entropy alloy

Whether a polymorphic transition exists in high entropy alloys or not remains unclear since discovery of these alloys more than a decade ago. Here authors report an irreversible polymorphic transition fromfcc to hcp in the prototype FeCoCrMnNi high entropy alloy and provide evidence for fccphase bei...

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Auteurs principaux: Fei Zhang, Yuan Wu, Hongbo Lou, Zhidan Zeng, Vitali B. Prakapenka, Eran Greenberg, Yang Ren, Jinyuan Yan, John S. Okasinski, Xiongjun Liu, Yong Liu, Qiaoshi Zeng, Zhaoping Lu
Format: article
Langue:EN
Publié: Nature Portfolio 2017
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Accès en ligne:https://doaj.org/article/5a35286a47e44c68a4002203c947bb0f
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Résumé:Whether a polymorphic transition exists in high entropy alloys or not remains unclear since discovery of these alloys more than a decade ago. Here authors report an irreversible polymorphic transition fromfcc to hcp in the prototype FeCoCrMnNi high entropy alloy and provide evidence for fccphase being more stable than hcp phase only at high temperatures.