Explosively driven facture and fragmentation of metal cylinders and rings

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Cylinders and rings fabricated from AerMet{reg_sign} 100 alloy and AISI 1018 steel have been explosively driven to fragmentation in order to determine the fracture strains for these materials under plane strain and uniaxial stress conditions. The phenomena associated with the dynamic expansion and subsequent break up of the cylinders are monitored with high-speed diagnostics. In addition, complementary experiments are performed in which fragments from the explosively driven cylinder are recovered and analyzed to determine the statistical distribution associated with the fragmentation process as well as to determine failure mechanisms. The data are used to determine relevant coefficients for the Johnson-Cook ... continued below

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PDF-file: 26 pages; size: 8.7 Mbytes

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Goto, D; Becker, R C; Orzechowski, T J; Springer, H K; Sunwoo, A J & Syn, C K January 3, 2007.

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Cylinders and rings fabricated from AerMet{reg_sign} 100 alloy and AISI 1018 steel have been explosively driven to fragmentation in order to determine the fracture strains for these materials under plane strain and uniaxial stress conditions. The phenomena associated with the dynamic expansion and subsequent break up of the cylinders are monitored with high-speed diagnostics. In addition, complementary experiments are performed in which fragments from the explosively driven cylinder are recovered and analyzed to determine the statistical distribution associated with the fragmentation process as well as to determine failure mechanisms. The data are used to determine relevant coefficients for the Johnson-Cook (Hancock-McKenzie) fracture model. Metallurgical analysis of the fragments provides information on damage and failure mechanisms.

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PDF-file: 26 pages; size: 8.7 Mbytes

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  • Presented at: Hypervelocity Impact Symposium-2007, Williamsburg, VA, United States, Sep 23 - Sep 27, 2007

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  • Report No.: UCRL-CONF-230236
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 920473
  • Archival Resource Key: ark:/67531/metadc901278

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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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  • January 3, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 28, 2016, 2:35 p.m.

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Goto, D; Becker, R C; Orzechowski, T J; Springer, H K; Sunwoo, A J & Syn, C K. Explosively driven facture and fragmentation of metal cylinders and rings, article, January 3, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc901278/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.