PHASE COMPOSITION AND ELECTRICAL CONDUCTIVITY OF HfO_2-Y_2O_3 SOLID SOLUTIONS CONTAINING 2.5-7 MOL/100 Y_2O_3

YU.N.KARAVAEV

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PHASE COMPOSITION AND ELECTRICAL CONDUCTIVITY OF HfO_2-Y_2O_3 SOLID SOLUTIONS CONTAINING 2.5-7 MOL/100 Y_2O_3

机译：含2.5-7 MOL / 100 Y_2O_3的HfO_2-Y_2O_3固溶体的相组成和电导率

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The phase composition and electrical conductivity of Hfo_2-Y_2O_3 materials were studied in the composition range 2.5-7.0 mol Y_2O_3. Ceramic samples were found to contain, along with tetragonal and cubic phases, monoclinic HfO_2, whose concentration decreases with increasing firing temperature. As the content of the monoclinic phase increases, the ionic transference number trends to decrease. The Arrhenius plots of conductivity show kinks in the range 750-850℃ ,which are likely due to the monoclinic-tetragonal phase transition.

机译：研究了Hfo_2-Y_2O_3材料在2.5-7.0 mol Y_2O_3范围内的相组成和电导率。发现陶瓷样品包含四方相和立方相以及单斜晶HfO_2，其浓度随烧结温度的升高而降低。随着单斜晶相的含量增加，离子转移数趋向于降低。电导率的阿伦尼乌斯曲线在750-850℃范围内显示扭结，这可能是由于单斜向四方相变。

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《Inorganic Materials》 |1999年第7期|701-705|共5页
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YU.N.KARAVAEV;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
中图分类工程材料学;
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入库时间 2022-08-18 00:39:14

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PHASE COMPOSITION AND ELECTRICAL CONDUCTIVITY OF HfO_2-Y_2O_3 SOLID SOLUTIONS CONTAINING 2.5-7 MOL/100 Y_2O_3

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