Production of Ceramic Plates Based on Al2O3–TiB2 by Free SHS Compression

Ceramic plates with dimensions of 90 × 40 × 7 mm and a density of 3.41 g/cm 3 were obtained by the method of free SHS-compression. The resulting plates consist of three phases: aluminum oxide, titanium diboride, and mullite. The plates have a composite structure: a matrix based on Al 2 O 3 with tita...

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Veröffentlicht in:	Refractories and industrial ceramics 2021-05, Vol.62 (1), p.94-97
Hauptverfasser:	Chizhikov, A. P., Konstantinov, A. S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Composite structures Composites Glass High temperature tests Materials Science Mullite Natural Materials Plates Titanium Titanium diboride Whiskers (metals)
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Zusammenfassung:	Ceramic plates with dimensions of 90 × 40 × 7 mm and a density of 3.41 g/cm 3 were obtained by the method of free SHS-compression. The resulting plates consist of three phases: aluminum oxide, titanium diboride, and mullite. The plates have a composite structure: a matrix based on Al 2 O 3 with titanium diboride particles distributed in it. Also, in the structure of the obtained plates, whiskers of titanium monoboride with a thickness of about 100 nm were observed. The results of high-temperature tests of plates in the range of 900 – 1200°C for 10 hr are presented, the dependences of the true rate of weight gain and specific weight gain of samples during the tests are obtained.
ISSN:	1083-4877 1573-9139
DOI:	10.1007/s11148-021-00565-w