Search Results - "Akers, D.W."

Development of positron annihilation spectroscopy for investigating deuterium decorated voids in neutron-irradiated tungsten by Taylor, C.N., Shimada, M., Merrill, B.J., Akers, D.W., Hatano, Y.

“…The present work is a continuation of a recent research to develop and optimize positron annihilation spectroscopy (PAS) for characterizing neutron-irradiated…”
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In situ positron annihilation analysis produced by high energy photon-induced neutron deficient positron emitting nuclei by Akers, D.W., Denison, A.B., Harmon, F.

“…Thick samples of materials have been investigated by the in situ production of positrons arising from β + decay of neutron deficient positron emitting nuclei…”
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Quantification of Nitride Thickness and Damage Levels in Orbiter/SRB Auxiliary Power Unit Injector Fuel Stems using Distributed Source Positron Annihilation by Akers, D.W., Rideout, C.A.

“…Injector fuel stems in Orbiter and SRB Auxiliary Power Units (APU) gas generators are subject to operational damage effects that can result in fuel stem…”
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Measurement-based prognostic models for service-induced damage in turbine engine components by Akers, D.W., Rideout, C.A.

“…Development of reliable performance life remaining prognostic models for aircraft turbine engine components such as disks and blades requires accurate…”
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