Treatment of irradiation effects in structural design criteria for fusion reactors

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The irradiation environment experienced by the in-vessel components of fusion reactors such as the International Thermonuclear Experimental Reactor (ITER) presents structural design challenges not envisioned in the development of existing structural design criteria such as the ASME Code or RCC-MR. From the standpoint of structural design criteria, the most significant issues stem from the irradiation-induced changes in material properties, specifically the reduction of ductility, strain hardening capability, and fracture toughness with neutron irradiation. These effects call into question the basis of the design rules in existing structural design criteria which assume that only code-approved materials with high toughness, ductility and ... continued below

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16 p.

Creation Information

Majumdar, S. & Smith, P. March 1, 1997.

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  • Majumdar, S. Argonne National Lab., IL (United States). Fusion Power Program
  • Smith, P. San Diego Joint Work Site, CA (United States). ITER Joint Central Team

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Description

The irradiation environment experienced by the in-vessel components of fusion reactors such as the International Thermonuclear Experimental Reactor (ITER) presents structural design challenges not envisioned in the development of existing structural design criteria such as the ASME Code or RCC-MR. From the standpoint of structural design criteria, the most significant issues stem from the irradiation-induced changes in material properties, specifically the reduction of ductility, strain hardening capability, and fracture toughness with neutron irradiation. These effects call into question the basis of the design rules in existing structural design criteria which assume that only code-approved materials with high toughness, ductility and strain hardening capability will be used. The present paper reviews the basis of new rules that address these issues in Draft 5 of the interim ITER structural design criteria (ISDC) which was released recently for trial use by the ITER designers.

Physical Description

16 p.

Notes

INIS; OSTI as DE97053561

Source

  • ISFNT-4: 4th international symposium on fusion nuclear technology, Tokyo (Japan), 6-11 Apr 1997

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  • Other: DE97053561
  • Report No.: ANL/ET/CP--93432
  • Report No.: CONF-970404--12
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 555614
  • Archival Resource Key: ark:/67531/metadc696286

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  • March 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 4:49 p.m.

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Majumdar, S. & Smith, P. Treatment of irradiation effects in structural design criteria for fusion reactors, article, March 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc696286/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.