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Ceramics, Volume 6, Issue 2

June 2023 - 34 articles

Cover Story: A transparent nanostructured ceramic material (MgAl2O4) was fabricated using the SPS method. Commercial spinel nano-powders were sintered at different temperatures (1300 °C, 1350 °C and 1400 °C) during the fabrication process. This study demonstrates the significant impact of the SPS sintering temperature on the mechanical and optical properties of transparent spinel. Various techniques were employed for comprehensive characterization. The findings indicate that optimum transparency in the ceramics was attained when sintered at 1350 °C, along with a favorable combination of mechanical properties. These transparent ceramics hold great potential for a wide range of applications, including optical lenses and transparent armors. View this paper
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Articles (34)

  • Article
  • Open Access
5 Citations
2,200 Views
14 Pages
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Processing and Tribological Properties of PEO Coatings on AlZn5.5MgCu Aluminium Alloy with Incorporated Al-Cu-Fe Quasicrystals

  • Elena V. Torskaya,
  • Alexei V. Morozov,
  • Vladimir N. Malyshev and
  • Olga O. Shcherbakova
Ceramics2023, 6(2), 858-871;https://doi.org/10.3390/ceramics6020049

29 March 2023

The modification of ceramic PEO coatings developed for friction units is in trend of modern research aimed at the improvement of friction and wear. This study presents ceramic coatings formed on AlZn5.5MgCu aluminum alloy by microarc oxidation (PEO)...

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  • Article
  • Open Access
5 Citations
3,396 Views
21 Pages
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Development of Lightweight Geopolymer Composites by Combining Various CDW Streams

  • Dimitrios Kioupis,
  • Aggeliki Skaropoulou,
  • Sotirios Tsivilis and
  • Glikeria Kakali
Ceramics2023, 6(2), 837-857;https://doi.org/10.3390/ceramics6020048

26 March 2023

This study regards the development of lightweight geopolymer composites through the valorization of various construction and demolition wastes. Brick waste was utilized as the sole aluminosilicate precursor for the geopolymerization reactions, expand...

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  • Article
  • Open Access
6 Citations
2,325 Views
19 Pages
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Influence of Defects in Surface Layer of Al2O3/TiC and SiAlON Ceramics on Physical and Mechanical Characteristics

  • Sergey N. Grigoriev,
  • Marina A. Volosova,
  • Anna A. Okunkova and
  • Sergey V. Fedorov
Ceramics2023, 6(2), 818-836;https://doi.org/10.3390/ceramics6020047

24 March 2023

The paper studies the influence of diamond grinding, lapping, and polishing on the surface layer and defectiveness of the Al2O3/TiC and SiAlON ceramic samples. The index of defectiveness ID, which is the product of the defect density and the defectiv...

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  • Article
  • Open Access
3 Citations
2,106 Views
20 Pages
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Study of the Phase Formation Processes and Their Influence on the Change in the Optical and Shielding Characteristics of 0.25ZnO–0.25Al2O3–0.25WO3–0.25Bi2O3 Ceramics

  • Aibek S. Seitbayev,
  • Artem L. Kozlovskiy,
  • Daryn B. Borgekov and
  • Maxim V. Zdorovets
Ceramics2023, 6(2), 798-817;https://doi.org/10.3390/ceramics6020046

23 March 2023

The phase formation processes in 0.25ZnO–0.25Al2O3–0.25WO3–0.25Bi2O3 ceramics with variation in the thermal annealing temperature were evaluated in this study. According to the obtained data on the phase composition dependent on the...

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