Compatibility of ITER candidate materials with static gallium

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Corrosion tests have been conducted to determine the compatibility of gallium with candidate structural materials for the International Thermonuclear Experimental Reactor (ITER) first wall/blanket systems, e.g., Type 316 stainless steel (SS), Inconel 625, and Nb-5 Mo-1 Zr. The results indicate that Type 316 SS is least resistant to corrosion in static gallium and Nb-5 Mo-1 Zr alloy is most resistant. At 400 C, corrosion rates for Type 316 SS, Inconel 625, and Nb-5 Mo-1 Zr alloy are {approx} 4.0, 0.5, and 0.03 mm/yr, respectively. Iron, nickel, and chromium react rapidly with gallium. Iron shows greater corrosion than nickel at 400 ... continued below

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5 p.

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Luebbers, P. R. & Chopra, O. K. September 1995.

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Description

Corrosion tests have been conducted to determine the compatibility of gallium with candidate structural materials for the International Thermonuclear Experimental Reactor (ITER) first wall/blanket systems, e.g., Type 316 stainless steel (SS), Inconel 625, and Nb-5 Mo-1 Zr. The results indicate that Type 316 SS is least resistant to corrosion in static gallium and Nb-5 Mo-1 Zr alloy is most resistant. At 400 C, corrosion rates for Type 316 SS, Inconel 625, and Nb-5 Mo-1 Zr alloy are {approx} 4.0, 0.5, and 0.03 mm/yr, respectively. Iron, nickel, and chromium react rapidly with gallium. Iron shows greater corrosion than nickel at 400 C ({ge} 88 and 18 mm/yr, respectively). The present study indicates that at temperatures up to 400 C, corrosion occurs primarily by dissolution and is accompanied by formation of metal/gallium intermetallic compounds. The growth of intermetallic compounds may control the overall rate of corrosion.

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5 p.

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INIS; OSTI as DE96005525

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  • 16. IEEE/NPSS symposium on fusion engineering, Champaign, IL (United States), 1-5 Oct 1995

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  • Other: DE96005525
  • Report No.: ANL/ET/CP--86690
  • Report No.: CONF-950905--22
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/195721 | External Link
  • Office of Scientific & Technical Information Report Number: 195721
  • Archival Resource Key: ark:/67531/metadc664530

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  • September 1995

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 19, 2015, 6:13 p.m.

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Luebbers, P. R. & Chopra, O. K. Compatibility of ITER candidate materials with static gallium, report, September 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc664530/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.