Subcascade formation ratio in neutron-irradiated stainless steels

T. Yoshiie, Y. Satoh, S. S. Huang, M. Horiki, K. Sato, Q. Xu

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

High-energy-particle irradiation in metals produces cascade damage. If the particle energy is high enough, a cascade is divided into subcascades. In each subcascade, a vacancy rich area is surrounded by an interstitial area. Vacancy clusters are expected to form directly in the vacancy rich area. In this study, the vacancy cluster formation ratio in subcascades was estimated by positron annihilation lifetime spectroscopy and transmission electron microscopy in commercial stainless steels and their model alloys. The vacancy cluster formation ratio was 1.7x10-3 and 9.1x10-5 in austenitic stainless steel and ferritic/martensitic stainless steel, respectively.

Original languageEnglish
Article number012002
JournalJournal of Physics: Conference Series
Volume674
Issue number1
DOIs
Publication statusPublished - 2016 Jan 26
EventInternational Workshop on Positron Studies of Defects 2014, PSD 2014 - Kyoto, Japan
Duration: 2014 Sep 142014 Sep 19

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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