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Isotopic Tailoring to Optimize Studies for Radiation Resistance in Fusion Materials: Small Specimen Technology Development

Published online by Cambridge University Press:  15 February 2011

S. Ohnuki,
K. Shiba,
Y. Kohno,
A. Kohyama,
J. P. Robertson,
M. L. Hamilton and
D. S. Gelles
S. Ohnuki
Affiliation:
Hokkaido University, Sapporo 060-8628, Japan
K. Shiba
Affiliation:
JAERI, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195, Japan
Y. Kohno
Affiliation:
University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan
A. Kohyama
Affiliation:
Kyoto University, Gokasho, Uji, Kyoto 611, Japan
J. P. Robertson
Affiliation:
Oak Ridge National Laboratory, Oak Ridge, TN 37831-6376
M. L. Hamilton
Affiliation:
Oak Ridge National Laboratory, Oak Ridge, TN 37831-6376
D. S. Gelles
Affiliation:
Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352
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Abstract

Single variable experiments are being conducted to study effects of H/He/dpa on properties based on isotopically tailored alloys. 54Fe has been used to prepare an isotopically tailored duplicate of the commercial steel F82H, and a small number of TEM disks have been irradiated in order to study radiation embrittlement. From single disk specimens, mechanical properties were obtained using a shear punch technique that produces a 1 mm blank from the 3 mm disk, and microstructural information was obtained from the 1 mm blanks thinned to electron transparency.

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