Effect of combined addition of phosphorus and titanium on microstructural evolution in Fe-Cr-Ni alloys

Hideo Watanabe, A. Aoki, T. Muroga, N. Yoshida

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The effect of combined addition of phosphorus and titanium on dislocation loop formation and void swelling of austenitic Fe-Cr-Ni alloys under electron irradiation has been investigated with a HVEM. It was shown that phosphorus atoms (or phosphorus-titanium complexes) serve as nuclei for interstitial loops in the alloy containing both phosphorus and titanium as well as alloys containing phosphorus only. In the alloy containing phosphorus and titanium, vacancy loops were formed at higher temperatures compared with an alloy containing phosphorus only. As a result, a substantial suppression of void formation was observed, suggesting that the co-addition of phosphorus and titanium is very effective for increasing the swelling resistance.

Original languageEnglish
Pages (from-to)529-533
Number of pages5
JournalJournal of Nuclear Materials
Volume179-181
Issue numberPART 1
DOIs
Publication statusPublished - Jan 1 1991

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Microstructural evolution
Titanium
Phosphorus
phosphorus
titanium
swelling
Swelling
voids
Electron irradiation
electron irradiation
Titanium alloys
Vacancies
interstitials
retarding
Atoms
nuclei

All Science Journal Classification (ASJC) codes

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

Cite this

Effect of combined addition of phosphorus and titanium on microstructural evolution in Fe-Cr-Ni alloys. / Watanabe, Hideo; Aoki, A.; Muroga, T.; Yoshida, N.

In: Journal of Nuclear Materials, Vol. 179-181, No. PART 1, 01.01.1991, p. 529-533.

Research output: Contribution to journalArticle

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AB - The effect of combined addition of phosphorus and titanium on dislocation loop formation and void swelling of austenitic Fe-Cr-Ni alloys under electron irradiation has been investigated with a HVEM. It was shown that phosphorus atoms (or phosphorus-titanium complexes) serve as nuclei for interstitial loops in the alloy containing both phosphorus and titanium as well as alloys containing phosphorus only. In the alloy containing phosphorus and titanium, vacancy loops were formed at higher temperatures compared with an alloy containing phosphorus only. As a result, a substantial suppression of void formation was observed, suggesting that the co-addition of phosphorus and titanium is very effective for increasing the swelling resistance.

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