Mechanical properties and examination of cracking in TMI-2 pressure vessel lower head material

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Mechanical tests have been conducted on material from 15 samples removed from the lower head of the Three Mile Island unit 2 nuclear reactor pressure vessel. Measured properties include tensile properties and hardness profiles at room temperature, tensile and creep properties at temperatures of 600 to 1200{degrees}C, and Charpy V-notch impact properties at {minus}20 to +300{degrees}C. These data, which were used in the subsequent analyses of the margin-to-failure of the lower head during the accident, are presented here. In addition, the results of metallographic and scanning electron microscope examinations of cladding cracking in three of the lower head samples are … continued below

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12 p.

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Diercks, D. R. & Neimark, L. A. September 1, 1993.

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Mechanical tests have been conducted on material from 15 samples removed from the lower head of the Three Mile Island unit 2 nuclear reactor pressure vessel. Measured properties include tensile properties and hardness profiles at room temperature, tensile and creep properties at temperatures of 600 to 1200{degrees}C, and Charpy V-notch impact properties at {minus}20 to +300{degrees}C. These data, which were used in the subsequent analyses of the margin-to-failure of the lower head during the accident, are presented here. In addition, the results of metallographic and scanning electron microscope examinations of cladding cracking in three of the lower head samples are discussed.

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12 p.

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INIS; OSTI as DE94001352; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • Conference and open forum for the presentation of significant results: achievements of the OECD Three Mile Island vessel investigation project,Boston, MA (United States),20-22 Oct 1993

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  • Other: DE94001352
  • Report No.: ANL/ET/CP--79638
  • Report No.: CONF-9310111--1
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10188801
  • Archival Resource Key: ark:/67531/metadc1394550

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 1, 1993

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  • Jan. 12, 2019, 4:41 p.m.

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  • March 15, 2019, 12:37 p.m.

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Diercks, D. R. & Neimark, L. A. Mechanical properties and examination of cracking in TMI-2 pressure vessel lower head material, article, September 1, 1993; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1394550/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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