SYMPOSIA PAPER Published: 01 January 2000
STP12437S

Influence of Silicon or Titanium on the Microstructural Evolution of Fe-Cr-35Ni Alloys Irradiated with Neutrons or Self-Ions

Source

A series of Fe-Cr-35Ni alloys was irradiated to doses ranging from 12 to 36 dpa with fast neutrons at 375–600°C and to 59–117 dpa at 675°C with Ni+ ions. The primary purpose of this study was to examine the effect of silicon and titanium on both microstructural evolution and the tendency of Fe-Cr-35Ni alloys to spinodally decompose during irradiation. As expected, the addition of these solutes suppresses void swelling and alters the microstructural evolution. They do not appear, however, to suppress the tendency toward spinodal-like decomposition, but only to change somewhat the microstructural consequences of the decomposition.

Author Information

Watanabe, H
Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan
Garner, FA
Pacific Northwest National Laboratory, Richland, WA, USA
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Developed by Committee: E10
Pages: 859–873
DOI: 10.1520/STP12437S
ISBN-EB: 978-0-8031-5419-3
ISBN-13: 978-0-8031-2852-1