The influence of combined addition of phosphorus and titanium on void swelling of austenitic Fe-Cr-Ni alloys at 646-700 K

H. Watanabe, T. Muroga, N. Yoshida

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Abstract

The influence of combined addition of phosphorus and titanium on void swelling of model Fe-Cr-Ni austenitic alloys at 646 to 700 K under fast neutron irradiation has been investigated, in comparison with that of a complex austenitic alloy (JPCA-2). In the model alloys, void swelling decreased with increasing phosphorus content. Void average size and density of JPCA-2 were comparable to those of the 0.024P alloy. The fact that these two alloys have the same phosphorus level suggests the void swelling of the model alloys would be strongly suppressed by increasing the phosphorus concentration and/or coaddition of phosphorus and titanium. The present study demonstrated that the phosphorus level is the strongest determinant of void swelling of both model and complex austenitic alloys.

Original languageEnglish
Pages (from-to)503-508
Number of pages6
JournalJournal of Nuclear Materials
Volume212-215
Issue numberPART 1
DOIs
Publication statusPublished - Sep 1994

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Nuclear Energy and Engineering

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