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Institute of Energy and Climate Research (IEK)

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Experimental devices

The electron beam machines JUDITH 1 and JUDITH 2 are our main experimental devices. They are situated in the

Hot Materials Laboratory, which is part of the IEK-4 Institute.

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JUDITH 1

JUDITH 1 Schema

JUDITH 1

Main machine characteristics
Max. beam power:
Max. acceleration voltage:
Irradiation area:
Power density:
Pulse duration:
Licensed for materials:


60 kW
150 kV
4 mm² – 100 cm²
max. 15 GW m-2
1 ms – cont.
toxic; radioactive

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JUDITH 2

JUDITH 2

JUDITH 2 Schema

Main machine characteristics
Max. beam power:
Max. acceleration voltage:
Irradiation area:
Power density:
Pulse duration:
Licensed for materials:

200 kW
60 kV
40 x 40 cm²
2 GW m-2
5 µs – cont.
toxic

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Profilometry

Münze + Scan

A laser profilometer with a KF3 sensor (OPM GmbH) is used to analyse roughened and cracked surfaces. more

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SEM / Metallography

SEM+Metallographie

Investigation of damages is also done by means of scanning electron microscopy (SEM) or more sophisticated methods, e.g. electron backscatter diffraction (image). Metallographic methods like e.g. cross sectioning are used for sample preparation and post-mortem analyses. For this work we are strongly supported by our colleagues from the following groups:

Analytical Electron Microscopy group

Micro-/Nanodiagnostics group

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Mechanical testing

Mechanical testing activities are performed in collaboration with the Materials Mechanics group.

Materials Mechanics group

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Laser

Laser (and plasma) experiments are conducted at the PSI-2 facility, situated at the IEK-4 Institute.


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