Radiation-enhanced diffusion in Ni/Zr diffusion couples

Journal Article · Mon Aug 15 04:00:00 EDT 1988 · J. Appl. Phys.; (United States)

DOI:https://doi.org/10.1063/1.341776· OSTI ID:7005570

Ding, F; Averback, R S; Hahn, H

Radiation-enhanced diffusion and ion-beam mixing in Ni/Zr diffusion couples were investigated. The Kirkendall geometry was employed for this experiment to determine the radiation-enhanced diffusivities of both Ni and Zr in the amorphous (a-) NiZr interdiffusion zone. W, Au, and Hf were employed as markers. The activation enthalpy for radiation-enhanced interdiffusion was determined to be approx. =0.4 eV, and Ni was found to be the faster moving species. The dose-rate dependence of the interdiffusion coefficient in the a-NiZr was typical of that of crystalline materials and suggests a point-defect-like diffusion mechanism in irradiated metallic glasses.

• Research Organization: Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439
• OSTI ID: 7005570
• Journal Information: J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 64:4; ISSN JAPIA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360106* -- Metals & Alloys-- Radiation Effects
ATOM TRANSPORT
CHARGED PARTICLES
COLLISIONS
DIFFUSION
ELEMENTS
ENERGY RANGE
GOLD
HAFNIUM
ION COLLISIONS
IONS
KRYPTON IONS
METALLIC GLASSES
METALS
MEV RANGE
MEV RANGE 01-10
NEUTRAL-PARTICLE TRANSPORT
NICKEL
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIATION TRANSPORT
TRANSITION ELEMENTS
TUNGSTEN
ZIRCONIUM