Mechanical properties of neutron-irradiated nickel-containing martensitic steels: II. Review and analysis of helium-effects studies

R. L. Klueh; N. Hashimoto; M. A. Sokolov; P. J. Maziasz; K. Shiba; S. Jitsukawa

doi:10.1016/j.jnucmat.2006.05.049

Mechanical properties of neutron-irradiated nickel-containing martensitic steels: II. Review and analysis of helium-effects studies

R. L. Klueh, N. Hashimoto, M. A. Sokolov, P. J. Maziasz, K. Shiba, S. Jitsukawa

Advanced Nuclear Materials

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36 Scopus citations

Abstract

In part I of this helium-effects study on ferritic/martensitic steels, results were presented on tensile and Charpy impact properties of 9Cr-1MoVNb (modified 9Cr-1Mo) and 12Cr-1MoVW (Sandvik HT9) steels and these steels containing 2% Ni after irradiation in the High Flux Isotope Reactor (HFIR) to 10-12 dpa at 300 and 400 °C and in the Fast Flux Test Facility (FFTF) to 15 dpa at 393 °C. The results indicated that helium caused an increment of hardening above irradiation hardening produced in the absence of helium. In addition to helium-effects studies on ferritic/martensitic steels using nickel doping, studies have also been conducted over the years using boron doping, ion implantation, and spallation neutron sources. In these previous investigations, observations of hardening and embrittlement were made that were attributed to helium. In this paper, the new results and those from previous helium-effects studies are reviewed and analyzed.

Original language	English
Pages (from-to)	169-182
Number of pages	14
Journal	Journal of Nuclear Materials
Volume	357
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnucmat.2006.05.049
State	Published - Oct 15 2006

Funding

For reviewing the manuscript and for helpful discussions of the subject, Drs D.R. Harries, L.K. Mansur, R.G. Stoller, and S.J. Zinkle are gratefully acknowledged. This research was sponsored by the Office of Fusion Energy Sciences, US Department of Energy, under Contract DE-AC05-00OR22725 with U.T.-Battelle, LLC.

Funders	Funder number
U.S. Department of Energy	DE-AC05-00OR22725
Fusion Energy Sciences

Keywords

C0200
H0200
N0100
R0200
R0300
S0800

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abstract = "In part I of this helium-effects study on ferritic/martensitic steels, results were presented on tensile and Charpy impact properties of 9Cr-1MoVNb (modified 9Cr-1Mo) and 12Cr-1MoVW (Sandvik HT9) steels and these steels containing 2% Ni after irradiation in the High Flux Isotope Reactor (HFIR) to 10-12 dpa at 300 and 400 °C and in the Fast Flux Test Facility (FFTF) to 15 dpa at 393 °C. The results indicated that helium caused an increment of hardening above irradiation hardening produced in the absence of helium. In addition to helium-effects studies on ferritic/martensitic steels using nickel doping, studies have also been conducted over the years using boron doping, ion implantation, and spallation neutron sources. In these previous investigations, observations of hardening and embrittlement were made that were attributed to helium. In this paper, the new results and those from previous helium-effects studies are reviewed and analyzed.",

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AU - Hashimoto, N.

AU - Sokolov, M. A.

AU - Maziasz, P. J.

AU - Shiba, K.

AU - Jitsukawa, S.

PY - 2006/10/15

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Mechanical properties of neutron-irradiated nickel-containing martensitic steels: II. Review and analysis of helium-effects studies

Abstract

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