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Application Prospects and Microstructural Features in Laser-Induced Rapidly Solidified High-Entropy Alloys

H. Zhang ; Y. Pan ; Y. He ; J. Wu ; T. Yue ; Sheng Guo (Institutionen för material- och tillverkningsteknik, Yt- och mikrostrukturteknik)
JOM: The Member Journal of TMS (1047-4838). Vol. 66 (2014), 10, p. 2057-2066.
[Artikel, refereegranskad vetenskaplig]

Recently, high-entropy alloys (HEAs) have attracted much interest in the materials community, as they offer massive opportunities to observe new phenomena, explore new structure, and develop new materials. Particularly, it is attractive to prepare high-performance HEA coatings by laser-induced rapid solidification, which can be formed on the surface of components and parts in a variety of sizes and shapes with a lower cost in comparison with those bulk material fabrication methods. From the technical point of view, laser-induced rapid solidification could hamper the compositional segregation, improve the solubility in solid-solution phases, and lead to the strengthening effect by the grain refinement. This article reviews the recent work on the typical microstructural features and the mechanical and chemical properties in laser-induced rapidly solidified HEAs, and these data are compared with conventional Co- and Ni-based alloy coatings. The article concludes with suggestions for future research and development in HEAs, from considerations of their characteristic properties.



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Denna post skapades 2014-10-16. Senast ändrad 2015-12-17.
CPL Pubid: 204378

 

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