M. A. Pakhomov, A. A. Dmitrievsky, V. V. Stolyarov
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引用次数: 0
Abstract
Investigations of the mechanical and conductive properties of Al2O3 nanoceramics containing graphene from 0.5 to 2 wt %, processed by the plasma-spark sintering method, are conducted. The optimal content of graphene in Al2O3 ceramics is determined. It is shown that the addition of 0.5–1 wt % of graphene contributes to an increase in the nanohardness (by 13%) and fracture toughness (not less than 27%). It is established that the elastic modulus of Al2O3 ceramics does not depend on the graphene content, but decreases in a gradient with displacement of the diagnosed area from the center to the periphery. The possibility of a significant decrease in the electrical resistance with an increase in the temperature of the composite and the frequency of the alternating current is demonstrated.
期刊介绍：
Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.
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