ELIÁŠOVÁ Ivana ÚJV Řež, a. s.

Spoluautoři KOPŘIVA Radim

The hot cells were constructed in ÚJV Řež, a. s. at the end of 1970. In the first decade of service until 1978, the hot cells were used for verifying the operational ability of fuel elements. From 1980 to 1985, reconstruction of semi-hot laboratory was carried out to enable experimental studies of the changes of mechanical properties of WWER type reactors surveillance programme materials. Facility consists of 51 hot and semi-hot cells situated on the three floors. Hot cells are used for preparatory and auxiliary operations with irradiated materials, e.g. receiving of irradiated materials, unloading of containers and evaluation of detectors to determine the neutron fluences and irradiation temperatures. This presentation provides an overview of further development and implementation of perspective procedures for small specimen testing in the accredited laboratory of the Mechanical Testing Department, specifically small punch testing and automated ball indentation testing. The accredited laboratory of the Mechanical Testing Department, so called “semi-hot cells” is used for testing and evaluation of mechanical properties of structural materials (irradiated and unirradiated) from nuclear power plants. Mechanical testing of materials is realized in “semi-hot cells”. Cells are equipped with remote handling equipment for standard methods of post irradiation mechanical testing – tensile, impact, fracture toughness, fatigue and hardness testing. Scanning electron microscopy is used for monitoring fracture surface.