1998
DOI: 10.1016/s0955-2219(98)00102-2
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Phase relationships in the ZrO2-rich part of the systems Y-Zr-N-O, Ca-Zr-N-O, and Mg-Zr-N-O up to temperatures of 1150 °C

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Cited by 20 publications
(11 citation statements)
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“…The diminishing of these lines indicates that the nitriding process also transforms the tetragonal structure of zirconia into cubic (c-ZrO 2 ). This effect is already known for the zirconium oxynitride in the Y-Zr-N-O system [4,5,6], where nitrogen acts as a stabilizer which adds to yttria to retain the cubic form of ZrO 2 . This structure is formed when there is not sufficient nitrogen inside the zirconia to transform into the zirconium nitride structure [12].…”
Section: Resultsmentioning
confidence: 77%
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“…The diminishing of these lines indicates that the nitriding process also transforms the tetragonal structure of zirconia into cubic (c-ZrO 2 ). This effect is already known for the zirconium oxynitride in the Y-Zr-N-O system [4,5,6], where nitrogen acts as a stabilizer which adds to yttria to retain the cubic form of ZrO 2 . This structure is formed when there is not sufficient nitrogen inside the zirconia to transform into the zirconium nitride structure [12].…”
Section: Resultsmentioning
confidence: 77%
“…In particular, the tetragonal phase of zirconia (t-ZrO 2 ) doped with 3 mol% Y 2 O 3 develops high hardness and toughness (Vickers hardness: 13 GPa, fracture toughness: 6-12 MPa m 1/2 [3]) which is well suited to the decorative layer applications. Processes using thermal treatments in a nitrogen atmosphere [4] or solid-state reaction [5,6] with zirconia have been reported. However, in these cases essentially zirconium-oxynitride phases are formed with only few ZrN precipitates which are not sufficiently dense to form a zirconium nitride layer exhibiting the gold color.…”
Section: Introductionmentioning
confidence: 99%
“…Este efeito já é conhecido para o oxinitreto de zircônio [4,24] no sistema YZr-N-O em que o nitrogênio atua como um estabilizador que adicionado à ítria retém a forma cúbica da ZrO2. Esta estrutura é formada quando não há nitrogênio suficiente dentro da zircônia para transformar-se na estrutura de nitreto de zircônio [24].…”
Section: Análise Da Estrutura Cristalinaunclassified
“…A chamada zircônia parcialmente estabilizada com ítria (PSZ) é um material cerâmico com notáveis propriedades mecânicas de volume, alta dureza e alta tenacidade à fratura [1][2][3][4][5][6][7][8][9][10]. A estrutura cristalina da zircônia e sua transformação em várias fases são de considerável interesse para diversas áreas [6,11].…”
Section: Introductionunclassified
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