Ion-bombardment-induced subsurface composition modifications in alloys at elevated temperatures. [Cu - 40 at. % Ni]
Conference
·
OSTI ID:6481580
Modifications of subsurface alloy composition during high-temperature sputtering were studied using a comprehensive kinetic model that includes Gibbsian adsorption, preferential sputtering, displacement mixing, radiation-enhanced diffusion, and radiation-induced segregation. Numerical solutions were obtained for a Cu-40 at. % Ni alloy under 5-keV Ar/sup +/ ion bombardment as functions of time and temperature. The model predictions are in good qualitative agreement with recent experimental measurements.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6481580
- Report Number(s):
- CONF-811150-13; ON: DE83007855
- Country of Publication:
- United States
- Language:
- English
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