Actions for Hypothesis to Explain the Size Effect Observed in APO-BMI Compression Tests [electronic resource].

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Hypothesis to Explain the Size Effect Observed in APO-BMI Compression Tests [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2015.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
9 pages : digital, PDF file
Additional Creators
Los Alamos National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
In 2013 compression tests were performed on cylindrical specimens of carbon-microballoon-APOBMI syntactic foam machined to different lengths (0.25, 0.5, and 2.8 inches1) (Kingston, 2013). In 2014 similar tests were performed on glass-microballoon-APO-BMI of different lengths (~0.15”, ~0.32”, and ~0.57”). In all these tests it was observed that, when strains were calculated from the platen displacement (corrected for machine compliance), the apparent Young’s modulus of the material decreased with specimen size, as shown in Table 1. The reason for this size effect was speculated to be a layer of damage on or near the top and bottom machined surfaces of the specimens (Kingston, Schembri, & Siranosian, 2014). This report examines that hypothesis in further detail.
Report Numbers
E 1.99:la-ur--15-20076
la-ur--15-20076
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
01/07/2015.
"la-ur--15-20076"
Philip Edward Schembri; Antranik Antonio Siranosian; Lance Allen Kingston.
Funding Information
AC52-06NA25396
View MARC record | catkey: 24088674