Phase formation in Zr/Fe multilayers during Kr ion irradiation

被引：0
|
作者：
Motta, AT [1 ]
Paesano, A [1 ]
Birtcher, RC [1 ]
Ryan, EA [1 ]
Bruckmann, ME [1 ]
Teixeira, SR [1 ]
Amaral, L [1 ]
机构：
[1] Penn State Univ, Dept Nucl Engn, University Pk, PA 16802 USA
来源：
PHASE TRANSFORMATIONS AND SYSTEMS DRIVEN FAR FROM EQUILIBRIUM | 1998年 / 481卷
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A detailed study has been conducted of the effect of Kr ion irradiation on phase formation in Zr-Fe metallic multilayers, using the Intermediate Voltage Electron Microscopy (IVEM) at Argonne National Laboratory. Metallic multilayers were prepared with different overall compositions (near 50-50 and Fe-rich), and with different wavelengths (repetition thicknesses). These samples were irradiated with 300 keV Kr ions at various temperatures to investigate the final products, as well as the kinetics of phase formation. For the shorter wavelength samples, the final product was in all cases an amorphous Zr-Fe phase, in combination with Fe, while specially for the larger wavelength samples, in the Fe-rich samples the intermetallic compounds ZrFe2 and Zr3Fe were formed in addition to the amorphous phase. The dose to full reaction decreases with temperature, and with wavelength in a manner consistent with a diffusion-controlled reaction.
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页码：377 / 382
页数：6
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