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Registration Number

0216U001050, 0113U005143 , R & D reports

Title

Development of improved indirect techniques and equipment for monitoring the operating state of NPP equipment components from indentation

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Head

Katok Oleg Anatoliyovych,

Registration Date

15-01-2016

Organization

Institute for problems of strength NASci of Ukraine

Description

Using the developed methods and upgraded experimental equipment, a fragment of metal with cladding from the main coolant pipeline (MCP) was studied and the level of fracture stresses separating the cladding from the base material was determined. The stress-strain curves were obtained from the results of tensile and indentation tests of disc-shaped micro-specimens for the reactor vessel metal, in particular, the as-delivered steel 15Kh2NMFA. Using the metal of the MCP of Dnom 850 and nozzle of steam generator of Dnom 1200 (steel 10GN2MFA) as an example, the procedures for determining the mechanical properties of metals from the results of hardness measurements, which are widely used in nuclear industries of Ukraine and Russia, were analyzed.

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Долгов Микола Анатолійович
Каток Олег Анатолійович
Кондряков Євген Олександрович
Котляренко Андрій Аркадійович
Харченко Валерій Володимирович
Швець Володимир Петрович