Comparative study of diffusion of Hydrogen in Zircaloy-2, Zr-2.5%Nb and Zr-1.0%Nb alloys

被引：1
|
作者：
Kumar, Sunil [1 ]
Ramanjaneyulu, P. S. [1 ]
Kumar, Phanindra [1 ]
Kulkarni, A. S. [1 ]
Yadav, Ajinkya [1 ]
Saxena, M. K. [1 ]
Singh, R. N. [2 ]
机构：
[1] Bhabha Atom Res Ctr, Radioanalyt Chem Div, Mumbai 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Mech Met Div, Mumbai 400085, Maharashtra, India
来源：
DAE SOLID STATE PHYSICS SYMPOSIUM 2018 | 2019年 / 2115卷
关键词：
DEUTERIUM;
D O I：
10.1063/1.5113281
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The present paper describes about estimation of diffusion coefficient of hydrogen in three different zirconium based alloys namely Zircaloy-2, Zr-2.5% Nb and Zr-1%Nb alloy. The selected sample specimens were charged with hydrogen by electrochemical method. After vacuum sealing in quartz tube, samples were annealed at 673 K for about 100 h in resistance furnace. Slices were made from charge end employing slow moving cutter. Hydrogen mole fraction and then its concentration were determined employing by Hot Vacuum Extraction-Quadrupole Mass Spectrometer (HVEQMS) technique. Diffusion coefficient was calculated using Fick's second law of diffusion equation used in nonlinear fitting code of Fortran language.
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页数：4
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