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the generation of nuclear power. Test
data is of particular interest and has
been the focus of several European
Committee for Standardization (CEN)
workshops, which have produced
data formats for ambient temperature
uniaxial tensile testing and materials
pedigree and are currently address-
ing fatigue. The various organizations
involved in the MeTeDa project intend
to extend this work, making it pos-
sible to exchange and aggregate an
even broader range of test data. The
second plenary session of this work-
shop is scheduled for the MS&T17
conference taking place in Pittsburgh
in October.
For more information: www.
cen.eu/work/areas/ICT/eBusiness/Pages/
WS-METEDA.aspx and/or Afina Lupulescu,
afina.lupulescu@asminternational.org,
440.338.5151 ext. 5627.
SIMPLE TEST CONFIRMS
PIPELINE SAFETY
A simple vibration test could help
oil and gas companies prevent pipeline
spills in a way that is faster and cheaper
than conventional methods, according
to new research at the University of Brit-
ish Columbia (UBC), Canada. The study,
conducted at UBC’s Okanagan campus,
found pipeline imperfections could be
identified by tapping the side of a pipe
and measuring the resulting vibrations
against those predicted by computer
models. “After developing the mathe-
matical platform and entering it into a
computer, we can predict what the level
of vibration should be if the pipeline
that is being tapped is free of imperfec-
tions,” explains assistant professor Hadi
Mohammadi. “This method of attach-
ing small machines to pipelines that are
above ground and having them tap and
measure vibrations offers a faster and
cheaper way to find cracks or patches
of internal rust than the conventional
method of using imaging techniques.”
Mohammadi began employing his “tap
test” theory on pipeline material after
testing its validity on human bones. The
test was equally useful in identifying
areas of deficient bone density, which
could be used to help identify condi-
tions such as osteoporosis.
www.ubc.ca.
Hadi Mohammadi, UBC assistant professor.
SEM • TEM • Mass Spec • NMR • ESR • EPMA • Auger • FIB • Sample Prep • Applications Expertise
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