Effect of residual strain on twinning in shock-loaded copper

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Description

Under shock-loading, twinning is observed in metals that do not twin under conventional loading conditions, for example, copper and nickel where the stacking fault energy is about 78 and 128 ergs/cm/sup 2/, respectively. Contradictions in the published data on the twinning stress in copper (from 1.6 GPa in thin films to 14.5 to 20 GPa in bulk specimens) suggest differences associated with experimental techniques. This study examines the role of residual plastic strain (epsilon/sub res/) on the deformation substructures, particularly twinning, in shock-loaded copper.

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Pages: 3

Creation Information

Gray, G.T. III January 1, 1986.

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Description

Under shock-loading, twinning is observed in metals that do not twin under conventional loading conditions, for example, copper and nickel where the stacking fault energy is about 78 and 128 ergs/cm/sup 2/, respectively. Contradictions in the published data on the twinning stress in copper (from 1.6 GPa in thin films to 14.5 to 20 GPa in bulk specimens) suggest differences associated with experimental techniques. This study examines the role of residual plastic strain (epsilon/sub res/) on the deformation substructures, particularly twinning, in shock-loaded copper.

Physical Description

Pages: 3

Notes

NTIS, PC A02/MF A01.

Source

  • Annual joint meeting of the Electron Microscopy Society of America and the Microbeam Analysis Society, Albuquerque, NM, USA, 10 Aug 1986

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  • Other: DE86007362
  • Report No.: LA-UR-86-796
  • Report No.: CONF-860829-1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5729888
  • Archival Resource Key: ark:/67531/metadc1093211

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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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Creation Date

  • January 1, 1986

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 22, 2018, 1:40 p.m.

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Gray, G.T. III. Effect of residual strain on twinning in shock-loaded copper, article, January 1, 1986; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1093211/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.