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Microstructure and mechanical properties of Ti-Al-Ni-Co-Fe based high entropy alloys prepared by powder metallurgy route
R. Anand Sekhar,
Published in Elsevier Ltd
2019
Volume: 787
   
Pages: 123 - 132
Abstract
Nano crystalline High Entropy Alloys (HEA) with equi-atomic compositions were synthesized through mechanical alloying followed by Spark Plasma Sintering (SPS). Alloys with nominal compositions of TiAlNiCo, TiAlNiFe and TiAlNiCoFe were selected for the study. Microstructure, hardness and room temperature compressive strengths of the alloys were studied. All the alloys had a single phase BCC microstructure along with TiCx nanoparticles dispersed uniformly in it. The alloys exhibit good hardness of more than 700 HV1.0 and a compressive strength more than 2.5 GPa. © 2019 Elsevier B.V.
About the journal
JournalData powered by TypesetJournal of Alloys and Compounds
PublisherData powered by TypesetElsevier Ltd
Open AccessNo
Concepts (22)
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    Aluminum alloys
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    Cobalt alloys
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    Compressive strength
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    Entropy
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    Hardness
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    HIGH-ENTROPY ALLOYS
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    Mechanical alloying
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    Mechanical properties
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    Microstructure
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    Powder metallurgy
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    Spark plasma sintering
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    Titanium alloys
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    Vanadium alloys
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    AL-NI-CO
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    ATOMIC COMPOSITIONS
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    DISPERSOIDS
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    FE-BASED
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    Microstructure and mechanical properties
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    Nanocrystallines
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    Nominal composition
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    Single phase
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    Iron alloys