Influence of Deformation on the Hydrogen Saturation of Zr-1%Nb Alloy After Oxidation and Nitriding

被引：0
|
作者：
Trush, V. S. [1 ]
Stoev, P., I [2 ]
Luk'yanenko, A. G. [1 ]
Pohrelyuk, I. M. [1 ]
Fedirko, V. M. [1 ]
Pylypenko, M. M. [2 ]
Kravchyshyn, T. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Karpenko Physicomechan Inst, Lvov, Ukraine
[2] Natl Acad Sci Ukraine, Inst Solid State Phys Mat Sci & Technol KIPT, Kharkiv, Ukraine
来源：
MATERIALS SCIENCE | 2022年 / 58卷 / 01期
关键词：
zirconium; saturation with hydrogen; oxidation; nitriding; surface layer; microstructure; ultimate strength; plasticity; MECHANICAL-PROPERTIES;
D O I：
10.1007/s11003-022-00631-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present the characteristics of samples of Zr-1%Nb alloy cut out from fuel cladding tubes saturated with hydrogen. The samples are preliminarily treated, namely, oxidized at T = 580 degrees C and P = 1.33 Pa for tau = 3 h and nitrided at T = 580 degrees C and P-N2 = 10(5) Pa for tau = 9 h. A part of samples was subjected to tensile loading (0.8 sigma(T)). In the as-delivered state and after oxidation or nitriding, no differences were detected in the character of changes in the curves of hydrogen release in the course of heating as compared with samples loaded (0.8 sigma(T)) immediately prior to saturation. We established an insignificant increase in the yield limit and ultimate strength of the material with preservation of the level of plasticity of the material.
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页码：61 / 66
页数：6
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