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Synthesis and properties of high-entropy CoCrFeNiMnWx alloys by Nikolay Razumov; Tagir Makhmutov; Artem Kim; Dmitriy Masaylo; Mark Kovalev; Anatoliy Popovich is a Engineering article available to read on EtoBox.
What is Synthesis and properties of high-entropy CoCrFeNiMnWx alloys about?
Compact samples and coatings from CoCrFeNiMnW x high entropy alloys (HEAs) powders synthesized by mechanical alloying followed by plasma spheroidization (PS) were obtained by directed energy dssssseposition (DED). The microstructure of CoCrFeNiMnW x samples obtained by DED represents a cast dendritic structure. The phase composition of all samples represents a solid solution with FCC lattice. The increase in the lattice parameter in the samples by 0.33e0.47% compared to the spheroidized powder is characteristic of all obtained alloys after DED. The lattice parameter of CoCrFeNiMnW x samples increases with increasing W content, which is associated with the formation of a highly entropic solid replacement solution. The hardness of the samples increased by 4.6% and 12.9% with the addition of W in amounts of 0.125 and 0.25 at. % to the CoCrFeNiMn HEA, respectively. Tungsten-doped alloy coatings have a higher bending strength than the CoCrFeNiMn alloy. With relatively similar ductility values, the CoCrFeNiMn alloy has a lower strength, which is insufficient to resist cracking when bent to an angle above 20e45 , depending on the bending direction.
Who reads Synthesis and properties of high-entropy CoCrFeNiMnWx alloys?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Nikolay Razumov; Tagir Makhmutov; Artem Kim; Dmitriy Masaylo; Mark Kovalev; Anatoliy Popovich
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)