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Featured researches published by Gerhard Gradel.


Journal of Nuclear Materials | 1982

Zur wärmeleitfähigkeit und plastizität von UO2 mit Gd-zusätzen

Martin Peehs; Wolfgang Dorr; Gerhard Gradel; Georg Maier

The thermal diffusivity and the thermal conductivity were measured for UO2-Gd2O3 with Gd2O3 ⩽ 10 W/O in the temperature range 25 °C ⩽ ⩽ 500 °C. An evaluation of the experimental data has shown, that the thermal conductivity is mainly influenced by microstructural changes in the mixed oxide structure due to Gd2O3-content. This result was also confirmed by detailed investigations of the structure of UO2-Gd2O3. Measurements of the stationary creep rate at Δ = 1500 °C and 100 N/mm2 from UO2 and UO2-6,5 W/O Gd2O3, showed, that the plasticity of such fuel is scarcely influenced by the Gd2O3, content.


Journal of Nuclear Materials | 1981

Doping UO2 with niobia — Beneficial or not?

H. Assmann; Wolfgang Dorr; Gerhard Gradel; Georg Maier; Martin Peehs


Archive | 1999

Method and device for microwave sintering of nuclear fuel

Wolfgang Dorr; Thorsten Gerdes; Gerhard Gradel; Bruno Schmitt; Monika Willert-Porada


Archive | 1998

Method for producing a sintered nuclear fuel body

Wolfgang Doerr; Harald Cura; Gerhard Gradel


Archive | 1982

Method for manufacturing oxidic sintered nuclear fuel bodies

Wolfgang Dorr; Gerhard Gradel; Martin Peehs; Reinhard Schafer; Thomas Sondermann


Archive | 1984

Method for determining the contents of a fuel rod

Gerhard Gradel; Peter Wahode; Wolfgang Dorr


Archive | 1985

Method for producing oxidic sintered nuclear fuel bodies

Wolfgang Dorr; Gerhard Gradel; Martin Peehs


Archive | 1980

PROCESS FOR PREPARING HIGH-DENSITY OXIDIC NUCLEAR-FUEL BODIES

Wolfgang Dorr; Gerhard Gradel; Martin Peehs


Archive | 1997

Sintered nuclear fuel body and method for producing a sintered nuclear fuel body

Wolfgang Doerr; Harald Cura; Gerhard Gradel


Archive | 1996

Uranium-containing nuclear-fuel sintered pellet

Harald Cura; Martin Peehs; Gerhard Gradel; Alfons Roppelt; Erhard Ortlieb; Richard A. Perkins

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