A comparison of low-chromium and high-chromium reduced-activation steels for fusion applications

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Description

Ferritic steels have been considered candidate structural materials for first wall and blanket structures for fusion power plants since the late 1970s. The first steels considered in the United States were the conventional Cr-Mo steels Sandvik HT9 (nominally 12Cr-1Mo-0.25V-0.5W-0.5Ni-0.2C, here designated l2Cr-1MoVW), modified 9Cr-1Mo steel (9Cr-1Mo-0.2V-0.06Nb-0. IC, designated 9Cr-1MoVNb) and, to a lesser extent, 2 1/4Cr-1Mo steel (2.25Cr-Mo-0.1C). All compositions are in wt. %. The normalized-and-tempered 9 and 12Cr steels had a tempered martensite microstructure, and the normalized-and-tempered 2 1/4 Cr steel had a tempered bainite microstructure. This report describes chromium steels tested in normalized and tempered conditions. Miniature tensile ... continued below

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9 p.

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Klueh, R.L.; Maziasz, P.J. & Alexander, D.J. November 1, 1996.

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Description

Ferritic steels have been considered candidate structural materials for first wall and blanket structures for fusion power plants since the late 1970s. The first steels considered in the United States were the conventional Cr-Mo steels Sandvik HT9 (nominally 12Cr-1Mo-0.25V-0.5W-0.5Ni-0.2C, here designated l2Cr-1MoVW), modified 9Cr-1Mo steel (9Cr-1Mo-0.2V-0.06Nb-0. IC, designated 9Cr-1MoVNb) and, to a lesser extent, 2 1/4Cr-1Mo steel (2.25Cr-Mo-0.1C). All compositions are in wt. %. The normalized-and-tempered 9 and 12Cr steels had a tempered martensite microstructure, and the normalized-and-tempered 2 1/4 Cr steel had a tempered bainite microstructure. This report describes chromium steels tested in normalized and tempered conditions. Miniature tensile and Charpy specimens were tested.

Physical Description

9 p.

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INIS; OSTI as DE97000325

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  • FEMS/ASM joint international conference on materials and nuclear power, Bournemouth (United Kingdom), 21-23 Oct 1996

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  • Other: DE97000325
  • Report No.: CONF-961020--1
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 390644
  • Archival Resource Key: ark:/67531/metadc679988

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  • November 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 21, 2016, 6:51 p.m.

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Klueh, R.L.; Maziasz, P.J. & Alexander, D.J. A comparison of low-chromium and high-chromium reduced-activation steels for fusion applications, article, November 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc679988/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.