Quantitative analysis of damage clustering and void linking for spallation modeling in tantalum

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Description

In a companion paper in this volume by Zurek et al, micrographs of incipient spallation damage in rolled tantalum were numerically analyzed using image analysis techniques. Void sizes, locations, and overall porosity were measured and tabulated. In this paper, we extend this analysis to include void clusters and examine the correlation between cluster size and the ranges of local instabilities between voids visible in the micrographs. The implications for spallation modeling will be given.

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8 p.

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Tonks, D. L.; Zurek, A. K.; Thissell, W. R. & Hixson, R. May 1997.

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Description

In a companion paper in this volume by Zurek et al, micrographs of incipient spallation damage in rolled tantalum were numerically analyzed using image analysis techniques. Void sizes, locations, and overall porosity were measured and tabulated. In this paper, we extend this analysis to include void clusters and examine the correlation between cluster size and the ranges of local instabilities between voids visible in the micrographs. The implications for spallation modeling will be given.

Physical Description

8 p.

Notes

OSTI as DE97004992

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  • International conference on mechanical and physical behavior of materials under dynamic loading (EURO/DYMAT), Toledo (Spain), 22-26 Sep 1997

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  • Other: DE97004992
  • Report No.: LA-UR--97-637
  • Report No.: CONF-970944--2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 505707
  • Archival Resource Key: ark:/67531/metadc693074

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  • May 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 26, 2016, 3:50 p.m.

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Tonks, D. L.; Zurek, A. K.; Thissell, W. R. & Hixson, R. Quantitative analysis of damage clustering and void linking for spallation modeling in tantalum, article, May 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc693074/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.