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Spatially resolved positron annihilation spectroscopy on friction stir weld induced defects
Spatially resolved positron annihilation spectroscopy friction stir weld induced defects
2010/10/12
A friction stir welded (FSW) Al alloy sample was investigated by Doppler broadening spectroscopy (DBS) of the positron annihilation line. The spatially resolved defect distribution showed that the mat...
Is Positron Annihilation in Polyamide 6 Affected by Morphology?
positron Annihilation Polyamide 6 Affected
2009/2/10
Is Positron Annihilation in Polyamide 6 Affected by Morphology?
Estimating the fractional free volume parameter in polyethylene by the positron annihilation method
positron annihilation polymers free volume
2009/2/6
Positron annihilation lifetime measurements were performed on samples made of commercially availablepolyethylene (PE) (Lupolen 2012D, schwarz 413, made by BASF). The samples were isothermallyannealed ...
Porosity of sol-gel silica glasses doped by ruthenium bipyridyl as measured by positron annihilation lifetime spectroscopy and nitrogen adsorption
porous glasses ruthenium tris bipyridyl chloride pore size liquid nitrogen adsorption method
2011/4/27
The porous structure of glasses incorporated by ruthenium tris bipyridyl chloride (further Rubpy) and adsorbed by Rubpy is studied by positron annihilation lifetime spectroscopy and liquid nitrogen ad...