Crystal structure and dispersed composition of multicomponent NiFeCoCrCuAlMo and NiFeCoCrCuAlMoW alloy nanoparticles obtained by joint exploding wires
K.V. Suliz, A.V. Pervikov
Institute of Strength Physics and Materials Science of Siberian Branch of RAS
DOI: 10.26456/pcascnn/2025.17.211
Original article
Abstract: Nanoparticles of multicomponent NiFeCoCrCuAlMo and NiFeCoCrCuAlMoW alloys were synthesized by combined electrical explosion of wires of various metals/alloys in an argon atmosphere. Transmission electron microscopy and X-ray diffraction analysis were used to determine the structural characteristics of the nanoparticles. The average particle size is about 50 nm (with the ratio of the energy E introduced into the wires to the total sublimation energy of the wires ΣEc of the order of 1,6), and the crystal structure is represented by the bcc and fcc phases of substitution solid solutions and the bcc phase corresponding to a substitution solid solution based on a refractory metal. It has been suggested that greater homogeneity of the elemental and phase composition of nanoparticles in multicomponent NiFeCoCrCuAlMo and NiFeCoCrCuAlMoW alloys can be achieved by varying the energy parameters of the combined electrical explosion of wires. Thus, the research results indicate the need to optimize the synthesis parameters to obtain nanoparticles with a desired elemental composition and crystal structure.
Keywords: high-entropy alloy, nanoparticles, exploding wires, transmission electron microscopy, energy dispersive analysis, X-ray phase analysis
- Konstantin V. Suliz – Junior Researcher, Laboratory of Nanobioengineering, Institute of Strength Physics and Materials Science of Siberian Branch of RAS
- Alexander V. Pervikov – Ph. D., Researcher, Laboratory of Physical Chemistry of Ultrafine Materials, Institute of Strength Physics and Materials Science of Siberian Branch of RAS
For citation:
Suliz K.V., Pervikov A.V. Kristallicheskaya struktura i dispersnyj sostav nanochastits mnogokomponentnykh NiFeCoCrCuAlMo, NiFeCoCrCuAlMoW splavov, poluchennykh sovmestnym elektricheskim vzryvom provolok [Crystal structure and dispersed composition of multicomponent NiFeCoCrCuAlMo and NiFeCoCrCuAlMoW alloy nanoparticles obtained by joint exploding wires], Fiziko-khimicheskie aspekty izucheniya klasterov, nanostruktur i nanomaterialov [Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials], 2025, issue 17, pp. 211-220. DOI: 10.26456/pcascnn/2025.17.211. ⎘
Full article (in Russian): download PDF file
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