Analysis of radiation-induced microchemical evolution in 300 series stainless steel

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The irradiation of 300 series stainless steel by fast neutrons leads to an evolution of alloy microstructures that involves not only the formation of voids and dislocations, but also an extensive repartitioning of elements between various phases. This latter evolution has been shown to be the primary determinant of the alloy behavior in response to the large number of variables which influence void swelling and irradiation creep. The combined use of scanning transmission electron microscopy and energy-dispersive x-ray analysis has been the key element in the study of this phenomenon. Problems associated with the analysis of radioactive specimens are resolved ... continued below

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Pages: 23

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Brager, H.R. & Garner, F.A. March 1, 1980.

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Description

The irradiation of 300 series stainless steel by fast neutrons leads to an evolution of alloy microstructures that involves not only the formation of voids and dislocations, but also an extensive repartitioning of elements between various phases. This latter evolution has been shown to be the primary determinant of the alloy behavior in response to the large number of variables which influence void swelling and irradiation creep. The combined use of scanning transmission electron microscopy and energy-dispersive x-ray analysis has been the key element in the study of this phenomenon. Problems associated with the analysis of radioactive specimens are resolved by minor equipment modifications. Problems associated with spatial resolution limitations and the complexity and heterogeneity of the microchemical evolution have been overcome by using several data acquisition techniques. These include the measurement of compositional profiles near sinks, the use of foil-edge analysis, and the statistical sampling of many matrix and precipitate volumes.

Physical Description

Pages: 23

Notes

NTIS, PC A02/MF A01.

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  • American Institute of Metallurgical Engineers meeting, Las Vegas, NV, USA, Feb 1980

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  • Report No.: HEDL-SA-1883
  • Report No.: CONF-800205-12
  • Grant Number: AC14-76FF02170
  • Office of Scientific & Technical Information Report Number: 5221197
  • Archival Resource Key: ark:/67531/metadc1071172

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • March 1, 1980

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • June 8, 2018, 6:59 p.m.

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Brager, H.R. & Garner, F.A. Analysis of radiation-induced microchemical evolution in 300 series stainless steel, article, March 1, 1980; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1071172/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.