Conclusions
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1.
The phase equilibria were established in the system Yb2O3-Al2O3.
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2.
The properties of the rare earth aluminates were compared.
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3.
The investigations indicated refractory qualities of the rare earth aluminates, high hardness, density, and chemical stability.
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Bondar', I.A., Toropov, N.A. Phase equilibria in the ytterbium oxide-alumina system and their comparison with equilibria in other systems Ln2O3-Al2O3 . Russ Chem Bull 15, 195–199 (1966). https://doi.org/10.1007/BF00856037
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DOI: https://doi.org/10.1007/BF00856037