Exploding wires synthesis of dispersed aluminum oxide powders for extrusion 3D printing of porous product
A.V. Pervikov, K.V. Suliz, A.I. Sagun, S.O. Kazantsev, M.I. Lerner
National Research Tomsk State University
DOI: 10.26456/pcascnn/2025.17.125
Short communication
Abstract: The influence of the parameters of electroexplosive synthesis of Al2O3 particles on their average size and phase composition was studied. The equivalent diameter of the wires and the buffer gas pressure at a constant value of energy introduced into the wires were varied synthesis parameters. An increase in the equivalent diameter of the wires from 0.25 to 0.50 mm leads to an increase in the average particle size from 81 to 92 nm. An increase in the buffer gas pressure from 0,1 to 0,4 MPa at an equivalent wire diameter of about 0,50 mm leads to an increase in the average particle size from 76 to 106 nm. An increase in the buffer gas pressure leads to the formation of an additional mode on the particle size distribution curve with a maximum in the region of 30-40 nm. The crystal structure of the samples obtained at different buffer gas pressures corresponds to the θ – and γ – phases for Al2O3. Al2O3 powders obtained by electrical explosion of wires can be used to manufacture porous products by extrusion 3D printing.
Keywords: aluminum oxide, nanoparticles, extrusion, 3D-printing, exploding wires, transmission electron microscopy, X-ray phase analysis
- Alexander V. Pervikov – Ph. D., Senior Researcher, Laboratory of metallurgy nanotechnology, Faculty of physics and technology, National Research Tomsk State University
- Konstantin V. Suliz – Research Engineer, Laboratory of metallurgy nanotechnology, Faculty of physics and technology, National Research Tomsk State University
- Anton I. Sagun – Research Engineer, laboratory of metallurgy nanotechnology, Faculty of physics and technology, National Research Tomsk State University
- Sergey O. Kazantsev – Ph. D., Senior Researcher, Laboratory of metallurgy nanotechnology, Faculty of physics and technology, National Research Tomsk State University
- Marat I. Lerner – Dr. Sc., Senior Researcher, Laboratory of metallurgy nanotechnology, Faculty of physics and technology, National Research Tomsk State University
For citation:
Pervikov A.V., Suliz K.V., Sagun A.I., Kazantsev S.O., Lerner M.I. Elektrovzryvnoj sintez dispersnykh poroshkov oksida alyuminiya dlya ekstruzionnoj 3D pechati poristykh izdelij [Exploding wires synthesis of dispersed aluminum oxide powders for extrusion 3D printing of porous product], Fiziko-khimicheskie aspekty izucheniya klasterov, nanostruktur i nanomaterialov [Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials], 2025, issue 17, pp. 125-134. DOI: 10.26456/pcascnn/2025.17.125. ⎘
Full article (in Russian): download PDF file
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