Effect of Initial Particle and Agglomerate Size on the Elastic Moduli of Porous Yttria (Y2O3)

被引：15
作者：
Yeheskel, Ori [1 ]
Shokhat, Menashe [1 ]
Salhov, Shai [1 ]
Tevet, Ofer [1 ]
机构：
[1] Nucl Res Ctr Negev, IL-84190 Beer Sheva, Israel
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2009年 / 92卷 / 08期
关键词：
YOUNG MODULUS; MECHANICAL-PROPERTIES; POROSITY-DEPENDENCE; ULTRASONIC VELOCITY; NONDESTRUCTIVE EVALUATION; FRACTURE-TOUGHNESS; POISSONS RATIO; SURFACE-AREA; OXIDE; STRENGTH;
D O I：
10.1111/j.1551-2916.2009.03075.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The present study shows the effect of porosity on the dynamic elastic moduli of partially dense yttria (Y2O3). This article reveals that the sound velocities and the elastic moduli of the porous samples depend not only on density, but also upon the reciprocal of the initial particle and agglomerate size. These findings explain some of the variation in the elastic moduli found especially, but not only, for highly porous yttria.
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页码：1655 / 1662
页数：8
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