http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ultrasonic wave propagation in random and periodic particulate composites
and specimens containing multiple layers of lead and steel.
arrangement and varied in area fraction. The periodic and
by both. The multiple particle and multiple layer specimen
Current theoretical models are insufficient to predict the
dynamic behavior of particulate composites under ultrasonic
fractions, glass and steel layers, multiple particle layers,
indicating that in this case the spheres act independently.
loading. To facilitate the creation of more accurate models,
manufactured containing layers of spherical inclusions. The
of experimental observations. Polyester specimens were
particle resonance while the steel specimens were influenced
random low area fraction specimens behaved nearly alike,
specimens tested included lead layers with low area
The glass specimens were affected by periodicity but not by
The layers were manufactured with either a periodic or random
transfer functions contained features present in the
ultrasonic tests have been performed to expand the database
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