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Study of the anisotropy of the properties of the ceramic cutting insert obtained by the LCM technology of 3D printing from the composite Al2O3/ZrO2 (ZTA)
https://doi.org/10.26896/1028-6861-2021-87-11-64-69
Abstract
The anisotropy of the properties of a ceramic cutting insert (for three faces) obtained by the lithography-based technology from the Al2O3 + ZrO2 composite has been studied. The study was carried out using the indentation method and Mayer’s law. This method, in contrast to the bending test, excludes the sample destruction. All the studies were carried out on three faces of a ceramic cutting insert made of a composite Al2O3 + ZrO2. The behavior of the Mayer index was studied in the range of loads from 2 to 20 kg and from 0.2 to 1 kg. The results of studying the density, phase composition and microstructure of each face of the sample are presented. The study of the adhesion of the printed layers were also carried out using a Knoop indenter. No anisotropy of the hardness was observed in the load range up to 10 kg. It is shown that a layered structure present in the sample, contributes to the hardness anisotropy under the load of 20 kg and more. No anisotropy of the fracture toughness is observed in the load range of 2 – 20 kg. The results of using a Knoop indenter revealed a high adhesion between 3D printed layers. Studies using a Knoop indenter have indicated high adhesion between the layers of 3D printing.
About the Authors
G. V. Shcherbak
N.I. Lobachevsky Nizhni Novgorod State University
Russian Federation
Russian Federation
Gleb V. Shcherbak
23, prosp. Gagarina, Nizhny Novgorod, 603022
A. A. Murashov
N.I. Lobachevsky Nizhni Novgorod State University
Russian Federation
Russian Federation
Artem A. Murashov
23, prosp. Gagarina, Nizhny Novgorod, 603022
K. E. Smetanina
N.I. Lobachevsky Nizhni Novgorod State University
Russian Federation
Russian Federation
Kseniya E. Smetanina
23, prosp. Gagarina, Nizhny Novgorod, 603022
M. M. Vostokov
N.I. Lobachevsky Nizhni Novgorod State University
Russian Federation
Russian Federation
Mikhail M. Vostokov
23, prosp. Gagarina, Nizhny Novgorod, 603022
M. S. Boldin
N.I. Lobachevsky Nizhni Novgorod State University
Russian Federation
Russian Federation
Maksim S. Boldin
23, prosp. Gagarina, Nizhny Novgorod, 603022
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Review
For citations:
Shcherbak G.V., Murashov A.A., Smetanina K.E., Vostokov M.M., Boldin M.S. Study of the anisotropy of the properties of the ceramic cutting insert obtained by the LCM technology of 3D printing from the composite Al2O3/ZrO2 (ZTA). Industrial laboratory. Diagnostics of materials. 2021;87(11):64-69. (In Russ.) https://doi.org/10.26896/1028-6861-2021-87-11-64-69
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