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Article Navigation >  Nuclear Physics Review  > 2015  >  32(1): 95-99

ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
Citation: ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
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Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation

doi: 10.11804/NuclPhysRev.32.01.095

  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

  • Korea Atomic Energy Research Institute, Daejeon 305-353, South Korea;

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2015-03-20
  • The present work investigates the irradiation hardening of ODS ferritic steels after multi-energy Heion implantation, or energetic Bi-ion and Xe-ion irradiation, to get an understanding of dependence of irradiationhardening on atomic displacement damage and gas accumulation. Three kinds of high-Cr ODS ferritic steels including the commercial MA956 (19Cr-3.5Al), the 16Cr-0.1Ti and the 16Cr-0.1Zr ODS ferritic steels were used.The results show that the hardness increases rapidly at the lower doses but tends to saturate at the higher dose.An 1/2-power law dependence on dpa value is obtained. Helium implantation contributes significantly to the irradiation hardening, possibly due to the impediment of the motion dislocations by helium bubbles. 16Cr-ODS (Ti or Zr added) ferritic which contains finer oxide particles in higher number density shows higher resistance to irradiation hardening than the MA056.
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Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation

doi: 10.11804/NuclPhysRev.32.01.095
  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
  • Korea Atomic Energy Research Institute, Daejeon 305-353, South Korea;
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2015-03-20

Abstract: The present work investigates the irradiation hardening of ODS ferritic steels after multi-energy Heion implantation, or energetic Bi-ion and Xe-ion irradiation, to get an understanding of dependence of irradiationhardening on atomic displacement damage and gas accumulation. Three kinds of high-Cr ODS ferritic steels including the commercial MA956 (19Cr-3.5Al), the 16Cr-0.1Ti and the 16Cr-0.1Zr ODS ferritic steels were used.The results show that the hardness increases rapidly at the lower doses but tends to saturate at the higher dose.An 1/2-power law dependence on dpa value is obtained. Helium implantation contributes significantly to the irradiation hardening, possibly due to the impediment of the motion dislocations by helium bubbles. 16Cr-ODS (Ti or Zr added) ferritic which contains finer oxide particles in higher number density shows higher resistance to irradiation hardening than the MA056.

ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
Citation: ZHANG Hengqing, ZHANG Chonghong, SONG Yin, YANG Yitao, MENG Yancheng, ZHANG Liqing, GOU Jie, Jinsung Jang, Akihiko Kimura. Irradiation Hardening of High-Cr ODS Ferritic Steels Under Helium Implantation and Heavy-ion Irradiation[J]. Nuclear Physics Review, 2015, 32(1): 95-99. doi: 10.11804/NuclPhysRev.32.01.095
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