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Liquid Lead Bismuth Embrittlement Susceptbility of Optifer-IX FM Steels

[+] Author Affiliations
W. Gao, Y. Zhao

Nuclear Power Institute of China, Chengdu, China

F. Yang

Beijing Guo Tie HuaChen Communication & Information Technology Co., Beijing, China

T. Zhang

Paul Scherrer Institute, Villigen, Switzerland

Paper No. ICONE21-15230, pp. V001T02A007; 5 pages
  • 2013 21st International Conference on Nuclear Engineering
  • Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Radiation Protection and Nuclear Technology Applications
  • Chengdu, China, July 29–August 2, 2013
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5578-2
  • Copyright © 2013 by ASME


This paper describes the results of uniaxial tensile tests on unirradiated and irradiated ferritic and martensitic (FM) steel Optifer-IX, in Argon or liquid Pb-Bi eutectic (LBE) environment at strain rate of 1 × 10−5s−1 during the temperature range from 150∼400°C. The results were compared with those have been obtained from T91 and F82H FM steels. It suggested that the normal Optifer-IX exhibited non LBE induced embrittlement effect; while besides irradiation induced embrittlement effect, the irradiated ones may endure the additional embrittlement effect induced by LBE. The fracture surfaces showed ductile mode for unirradited ones, mixed mode type for the irradiated ones respectively.

Copyright © 2013 by ASME
Topics: Steel , Embrittlement



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