Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: C1.00170 : Induced Magnetic Behavior and Anomalous X-ray Fluorescence Spectra of Thermally Tailored Copper
Author:
When a high purity ($>$99.98 wt\%) copper ingot was melted,
subjected to high temperature thermal cycling including rapid
electromagnetic field oscillation (thermally tailored), the
resultant solidified metal exhibited unexpected magnetic regions
with unique spectroscopic behavior. A high-resolution magnetic
microscope was used to provide current density imaging with
resultant surface mapping of magnetic fields of the magnetically
active regions on the copper ingot. Energy-dispersive, X-ray
fluorescence (XRF) analysis of the magnetic regions exhibited
energy emissions inconsistent with the known starting composition
of the material. An analysis of the magnetic field and XRF data
shows them both to be a result of the tailoring process and
eliminates the possibility of causation by impurities accumulated
during the process.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.C1.170
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