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Number of results
2017 | 131 | 4 | 771-773

Article title

FeSiBAlNiMo High Entropy Alloy Prepared by Mechanical Alloying

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EN

Abstracts

EN
High-entropy alloys have attracted increasing attentions because of their unique compositions, microstructures, and adjustable mechanical and functional properties. In this work, mechanical and magnetic properties of the FeSiBAlNiMo high-entropy alloy were studied in heat-treated conditions. Influence of temperature and time of sintering was investigated. The lowest coercivity H_c=370 A/m was reached at sintering temperature 580°C, during 20 min in Ar/10H₂ atmosphere. Resistivity decreases from R=0.006 Ωcm at 580°C of sintering temperature to R=0.0004 Ωcm at temperature 1100°C. Transverse rupture strength TRS = 340 MPa as well as the Young modulus E=87 GPa were much higher in the case of sintering at 1100°C in comparison to TRS = 5 MPa and E=7.5 GPa at sintering temperature 580°C. Low temperature consolidation made possible to structure recovery and stress relief of amorphous-nanocrystalline structure. Higher temperature above 1100°C induced sintering processes and formation of complex borides.

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Contributors

author
  • Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovak Republic
author
  • Institute of Physics of Materials, Academy of Sciences of Czech Republic, Žižkova 22, 616 62 Brno, Czech Republic
author
  • Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovak Republic
author
  • Institute of Physics, Faculty of Science, P.J. Safarik University in Košice, Park Angelinum 9, 041 54 Košice, Slovak Republic
author
  • Institute of Physics, Faculty of Science, P.J. Safarik University in Košice, Park Angelinum 9, 041 54 Košice, Slovak Republic
author
  • Institute of Physics of Materials, Academy of Sciences of Czech Republic, Žižkova 22, 616 62 Brno, Czech Republic
  • Institute of Physics of Materials, Academy of Sciences of Czech Republic, Žižkova 22, 616 62 Brno, Czech Republic

References

  • [1] J.-W. Yeh, S.-K. Chen, S.-J. Lin, J.-Y. Gan, T.-S. Chin, T.-T. Shun, C.-H. Tsan, S.-Y. Chang, Adv. Eng. Mater. 6, 299 (2004), doi: 10.1002/adem.200300567
  • [2] B.S. Murty, Jien-Wei Yeh, S. Ranganathan, High-Entropy Alloys, Elsevier, Oxford 2014
  • [3] J.-W. Yeh, Europ. J. Control 31, 633 (2006), doi: 10.3166/acsm.31.633-648
  • [4] Y. Zhang, T.T. Zuo, Z. Tang, M.C. Gao, K.A. Dahmen, P.K. Liaw, Z.P. Lu, Prog. Mater. Sci. 61, 1 (2014), doi: 10.1016/j.pmatsci.2013.10.001
  • [5] J. Wang, Z. Zheng, J. Xu, Y. Wang, J. Magn. Magn. Mater. 355, 58 (2014), doi: 10.1016/j.jmmm.2013.11.049

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Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.bwnjournal-article-appv131n4053kz
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