Helium bubble evolution in F82H-mod - Correlation between SANS and TEM

R. Coppola, M. Klimiankou, M. Magnani, A. Möslang, M. Valli

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Abstract

The growth of He-bubbles after low temperature He-implantation and subsequent high temperature tempering in F82H-mod steel has been studied by using transmission electron microscopy (TEM) and small-angle neutron scattering (SANS). The results obtained by both techniques show that after implantation the bubbles are homogeneously distributed around an average size of 11 Å, while after subsequent tempering He-bubbles one order of magnitude larger grow in size and volume fraction. Additionally, the SANS data show a consistent population of bubbles smaller than 10 Å, which is discussed with reference to the possible migration and coalescence mechanisms during high temperature tempering. © 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1057 - 1061
Number of pages5
JournalJournal of Nuclear Materials
Volume329-333
Issue number1-3 PART B
DOIs
Publication statusPublished - 1 Aug 2004
Externally publishedYes

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All Science Journal Classification (ASJC) codes

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

Cite this

Coppola, R., Klimiankou, M., Magnani, M., Möslang, A., & Valli, M. (2004). Helium bubble evolution in F82H-mod - Correlation between SANS and TEM. Journal of Nuclear Materials, 329-333(1-3 PART B), 1057 - 1061. https://doi.org/10.1016/j.jnucmat.2004.04.134