Subsolidus Phase Relationships in Si3N4–AlN–Rare-Earth Oxide Systems |
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| Authors: | Zehn-Kun Huang Tseng-Ying Tien Tung-Sheng Yen |
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| Affiliation: | Department of Materials Science and Engineering, The University of Michigan, Ann Arbor, Michigan 481091 and Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, People's Republic of China |
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| Abstract: | The subsolidus phase relationships in Si3N4–AlN–rare-earth oxide (Me2O3 where Me=Nd, Sm, Gd, Dy, Er, and Yb) systems were studied. Solid-solution regions with the α-Si3N4 structure were delineated along the Si3N4–"Me2O3:9AIN" joins for all of the rare-earth oxide systems studied. The solubility limits of these solid solutions increased with decreasing size of the rare-earth ions. |
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