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Title: Shock compression of [001] single crystal silicon

Journal Article · · European Physical Journal. Special Topics
 [1];  [2];  [1];  [1];  [3];  [1]
  1. Univ. of California, San Diego, La Jolla, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. National Univ. of Cuyo, Mendoza (Argentina); National Scientific and Technical Research Council (CONICET), Mendoza (Argentina)

In collaboration with LLNL and Caltech, experiments to test the strain rate and texture dependence of spall strength in tantalum were conducted at Janus in the Jupiter Laser Facility at LLNL from June-July 2014. Part of the laser shots were dedicated to reproducing data from the last set of spall experiments in 2012 and the rest of the laser shots were dedicated to produce new science on spall strength. Experiments were also conducted at the Omega Facility (LLE, U. of Rochester). The limits of spall strength were tested by increasing the strain rate and changing the texture of the samples. This research was successfully completed and a paper has just appeared in Acta materialia. Four papers on amorphization in Si, Ge, B4C, and SiC were published in leading journals. We have now demonstrated that amorphization is an important mechanism of inelastic deformation in covalently bonded solids under shock compression.

Research Organization:
Lawrence Livermore National Lab., Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344; NA0002080
OSTI ID:
1281662
Alternate ID(s):
OSTI ID: 1462270
Report Number(s):
LLNL-JRNL-696497; DE-UCSD-NA0002080
Journal Information:
European Physical Journal. Special Topics, Vol. 225, Issue 2; ISSN 1951-6355
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

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