Effects of helium on irradiation response of reduced-activation ferritic-martensitic steels: Using nickel isotopes to simulate fusion neutron response

In this work, iron aluminide coatings were developed by Chemical Vapor Deposition in Fluidized Bed Reactor (CVD-FBR) on ferritic-martensitic steels. Small additions of zirconium powder were introduced in the fluidized bed; as a consequence, the obtained coatings are thicker than that without zirconium additions. When Zr powders are added in the fluidized bed, the deposition atmosphere drastically changes, leading to increase the deposition rate. Thermodynamic calculations were carried out to simulate the modifications in the CVD atmosphere in the Al/Zr deposition system in comparison to the single aluminization. In order to optimize the conditions of the deposition, parameters such as temperature and concentration of zirconium introduced into the bed were evaluated and compared with the results obtained for the single aluminum deposition.

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The Role of Co-injected Helium on Swelling and Cavity Evolution at High Damage Levels in Ferritic-Martensitic Steels

Journal of Nuclear Materials ◽

10.1016/j.jnucmat.2021.152912 ◽

2021 ◽

pp. 152912

Author(s):

D. Woodley ◽

S. Taller ◽

Z. Jiao ◽

K. Sun ◽

G.S. Was

Keyword(s):

Martensitic Steels ◽

Cavity Evolution

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Strengthening mechanisms of reduced activation ferritic/martensitic steels: A review

International Journal of Minerals Metallurgy and Materials ◽

10.1007/s12613-020-2121-1 ◽

2021 ◽

Vol 28 (3) ◽

pp. 335-348 ◽

Cited By ~ 1

Author(s):

Jin-hua Zhou ◽

Yong-feng Shen ◽

Nan Jia

Keyword(s):

Strengthening Mechanisms ◽

Martensitic Steels

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Study of transmutation, gas production, and displacement damage in chromium for fusion neutron spectrum

Annals of Nuclear Energy ◽

10.1016/j.anucene.2019.107187 ◽

2020 ◽

Vol 138 ◽

pp. 107187

Author(s):

Mayank Rajput ◽

R. Srinivasan

Keyword(s):

Neutron Spectrum ◽

Gas Production ◽

Displacement Damage ◽

Fusion Neutron

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Nuclear Structure of the Nickel Isotopes

Physical Review ◽

10.1103/physrev.163.1203 ◽

1967 ◽

Vol 163 (4) ◽

pp. 1203-1218 ◽

Cited By ~ 134

Author(s):

N. Auerbach

Keyword(s):

Nuclear Structure ◽

Nickel Isotopes

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Experimental Development at a Pilot Plant Scale of a Reduced Activation Ferritic/Martensitic RAFM Steel, Asturfer®

Advances in Science and Technology ◽

10.4028/www.scientific.net/ast.73.36 ◽

2010 ◽

Vol 73 ◽

pp. 36-40 ◽

Cited By ~ 3

Author(s):

Ana Morán ◽

Rubén Coto ◽

Javier Belzunce ◽

Jose Manuel Artímez

Keyword(s):

Stainless Steels ◽

Pilot Plant ◽

Austenitic Stainless Steels ◽

Martensitic Steels ◽

Font Size ◽

Experimental Development ◽

Pilot Plant Scale ◽

Fusion Material ◽

Rafm Steel ◽

The Eu

Ferritic/Martensitic steels, with chromium contents ranging between 9 and 12%, were introduced into fusion material programs due to their better creep resistance and excellent thermal and nuclear properties compared to austenitic stainless steels. Reduced activation ferritic/martensitic (RAFM) steels are considered promising candidates for the test blanket modules of the future International Thermonuclear Experimental Reactor (ITER), being EUROFER steel is the EU reference material. It is a 9 % Cr RAFM steel which exhibits a tempered martensitic microstructure and presently allows operation up to 550 ⁰C. This paper shows the work carried out to develop at a pilot plant scale a Reduced Activation Ferritic/Martensitic (RAFM) steel, Asturfer ®, with chemical composition and mechanical properties very close to EUROFER steel.

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