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添加Al_2O_3的Y-TZP基层状陶瓷力学性能 被引量:1

Mechanincal Properties of Laminated Y-TZP Ceramics Containing Al_2O_3
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摘要 用 15 % (体积分数 )Al2 O3 / 3Y -TZP作为中间层 ,以 2 0 % (体积分数 )Al2 O3 / 3Y -TZP作为外层 ,采用干压、等静压法成型 ,并通过无压烧结制成了三层复合材料。通过测定材料的收缩率 ,对烧结收缩引起的应变进行了估算 ,提出 :烧结收缩率也是层状材料设计的主要因素之一。实验结果表明 :层状复合材料与 15 % (体积分数 )Al2 O3 / 3Y -TZP单层材料相比 ,应力方向平行于界面的抗弯强度提高了11.8% ,由 4 82MPa提高到 5 39MPa ;应力方向垂直于界面的韧性提高了 2 1.2 % ,由 9.9MPa·m1/2 提高到12 0MPa·m1/2 。 Three-layer 20vol%Al 2O 3/3Y-TZP~15vol%Al 2O 3/3Y-TZP~20vol%Al 2O 3/3Y-TZP la minated material was prepared by die-pressing technique.The valuation of strains proved that the shrinkage rate is an important factor influencing laminated material.The study shows that strength and toughness can be increased by 11 8% and 21 2% respectively,compared with monolayer material 15vo1%Al 2O 3/3Y-TZP
出处 《硅酸盐通报》 CAS CSCD 2003年第3期82-84,共3页 Bulletin of the Chinese Ceramic Society
关键词 A12O3的Y—TZP基层状陶瓷 力学性能 无压烧结 三层复合材料 Y-TZP Al 2O 3 laminated ceramics strength toughness
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同被引文献10

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