Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Diffusion coefficients for hydrogen in beta zirconium were determined from permeation rates in the range 650 to 850 deg C. Both the steady-state method, which is dependent upon the hydrogen concentration, and the time-lag method, which is independent of hydrogen concentration, were employed to obtain diffusion data. Zirconium disks, 0.03 to 0.1 cm thick and varying in hydrogen concentration from 9 to 33 at.%, were used to measure permeation rates. The diffusion coefficients determined by the steady-state and time-lag methods on samples of differing thickness were in agreement. It was concluded that the permeation process was diffusion controlled. The diffusion coefficients were found to be independent of concentration and can be expressed by D = 6.14 x 10/ sup 4/ exp ( --45,900/RT). (auth).
The Diffusion of Hydrogen in Beta Zirconium
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Diffusion coefficients for hydrogen in beta zirconium were determined from permeation rates in the range 650 to 850 deg C. Both the steady-state method, which is dependent upon the hydrogen concentration, and the time-lag method, which is independent of hydrogen concentration, were employed to obtain diffusion data. Zirconium disks, 0.03 to 0.1 cm thick and varying in hydrogen concentration from 9 to 33 at.%, were used to measure permeation rates. The diffusion coefficients determined by the steady-state and time-lag methods on samples of differing thickness were in agreement. It was concluded that the permeation process was diffusion controlled. The diffusion coefficients were found to be independent of concentration and can be expressed by D = 6.14 x 10/ sup 4/ exp ( --45,900/RT). (auth).
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Diffusion coefficients for hydrogen in beta zirconium were determined from permeation rates in the range 650 to 850 deg C. Both the steady-state method, which is dependent upon the hydrogen concentration, and the time-lag method, which is independent of hydrogen concentration, were employed to obtain diffusion data. Zirconium disks, 0.03 to 0.1 cm thick and varying in hydrogen concentration from 9 to 33 at.%, were used to measure permeation rates. The diffusion coefficients determined by the steady-state and time-lag methods on samples of differing thickness were in agreement. It was concluded that the permeation process was diffusion controlled. The diffusion coefficients were found to be independent of concentration and can be expressed by D = 6.14 x 10/ sup 4/ exp ( --45,900/RT). (auth).
Thermal Diffusion of Hydrogen in Nonstoichiometric Zirconium-dihydride
Author: A. W. Sommer
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 44
Book Description
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 44
Book Description
Thermal Diffusion in a Solid Solutions of Hydrogen in Beta Zirconium
Thermal Diffusion in a Solid Solution of Hydrogen in Beta Zirconium
Author: John W. Droege
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 52
Book Description
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 52
Book Description
The Diffusion of Hydrogen in Zirconium Hydride
Author: William M. Albrecht
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 18
Book Description
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 18
Book Description
A Model for Thermal Diffusion of Hydrogen in Zirconium Alloys
Author: J. Freund
Publisher:
ISBN: 9789512211944
Category :
Languages : en
Pages : 46
Book Description
Publisher:
ISBN: 9789512211944
Category :
Languages : en
Pages : 46
Book Description
Hydrogen Redistribution in Thin Plates of Zirconium Under Large Thermal Gradients
Author: J. M. Markowitz
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 42
Book Description
Publisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 42
Book Description
Hydrogen diffusion in oxides formed on surfaces of zirconium alloys
Hydrogen diffusion in zirconium-niobium alloys
Hydrogen Permeation of Oxide Films on Zirconium
Author: Tennyson Smith
Publisher:
ISBN:
Category : Oxide coating
Languages : en
Pages : 76
Book Description
Publisher:
ISBN:
Category : Oxide coating
Languages : en
Pages : 76
Book Description