Determination of anisotropic elastic moduli of Zr-2.5Nb CANDU pressure tube materials

被引：10
|
作者：
Cheong, YM [1 ]
Kwon, SC [1 ]
Jung, HK [1 ]
机构：
[1] Korea Atom Energy Res Inst, CANDU Pressure Tube Mat Grp, Taejon 305600, South Korea
来源：
JOURNAL OF MATERIALS SCIENCE | 2000年 / 35卷 / 05期
关键词：
D O I：
10.1023/A:1004784320549
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to determine the elastic stiffness of Zr-2.5Nb CANDU pressure tube materials, the resonance frequencies of a rectangular parallelepiped specimen were measured and compared with the calculated resonance frequencies based on the input data of estimated stiffness of a polycrystalline Zr-2.5Nb specimen, dimensions and density. The estimated elastic stiffness was determined using its orientation distribution function measured by x-ray diffraction and the reported elastic stiffness of a zirconium single crystal. Through comparison of calculated frequencies with that measured by resonance ultrasound spectroscopy, accurate elastic stiffness has been determined by iteration and convergence processes. (C) 2000 Kluwer Academic Publishers.
引用
收藏
页码：1195 / 1200
页数：6
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