Central Research Institute of Machine Building Technology NPO TsNIITmash

Moscow, Russia

Central Research Institute of Machine Building Technology NPO TsNIITmash

Moscow, Russia

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Dub A.V.,Central Research Institute of Machine Building Technology NPO TsNIITmash | Skorobogatykh V.N.,Central Research Institute of Machine Building Technology NPO TsNIITmash | Anosov N.P.,Central Research Institute of Machine Building Technology NPO TsNIITmash | Zharov V.V.,Central Research Institute of Machine Building Technology NPO TsNIITmash | And 2 more authors.
Atomic Energy | Year: 2011

The high conservativeness of the evaluation of the service life of VVER-1000 vessels is due to the operational reliability margin and the high error in determining the initial computational data. A structural analysis of the error in critical brittleness temperature investigations is presented and the factors which have a large effect on the error in constructing the dose-time dependences of the critical brittleness temperature are determined. In constructing dose-time curves, the use of the critical temperature of a calibration metal and heat-treatment regimes of calibration samples makes available and permits checking a wide range of structures that is characteristic for large blanks, makes it possible to take account of radiation embrittlement effects and radiation-stimulated reversible brittleness, decrease the error in determining the guaranteed values to T cr±5°C, and eliminate the large effect of structural nonuniformity on objective predictions made for a reactor vessel. © 2011 Springer Science+Business Media, Inc.


Karabegov M.A.,Central Research Institute of Machine Building Technology NPO TsNIITmash
Measurement Techniques | Year: 2011

The main parameters and metrological support procedure for flame photometers are considered. © 2011 Springer Science+Business Media, Inc.


Doub V.S.,Central Research Institute of Machine Building Technology NPO TsNIITMASh | Romashkin A.N.,Central Research Institute of Machine Building Technology NPO TsNIITMASh | Malginov A.N.,Central Research Institute of Machine Building Technology NPO TsNIITMASh
Metallurgist | Year: 2013

This article discusses promising technological measures that can be used to cast ingots. It also examines such issues as multi-ladle casting, optimization of ingot geometry and the chemical composition of the metal being cast, mastery of the production of hollow ingots, stream vacuum-degassing, aspects of the bottom-pouring of large ingots, materials for warming the hot-top part of ingots, protection from secondary oxidation, and high-speed casting. Recommendations are given to improve the technological regimes that are used to cast steel into ingots at Russian plants. © 2013 Springer Science+Business Media New York.

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