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Information × Registration Number 0206U000354, 0103U005427 , R & D reports Title To stuty physical and chemical processes of dispersion hardening and evolution of micro-segregation of alloying and trace elements in weld joints of creep resistant steels with 8-10 % of chromium for new generation of heat power equipment and to elaborate ways for their heat embrittlement prevention popup.stage_title Head Tsaryuk Anatoly Korneevich, Registration Date 23-01-2006 Organization E.O.Paton Electric Welding Institute of the National of Sciences of Ukraine popup.description2 Physical and metallurgical factors of faults development in hightemperature components of boilers equipment are studied . It is found, that damages evolutes from microcracks, initiated during heat treatment. As it shown, in weldments of 9 % Cr steels cracks could form in the range of 450...550 0С, when secondary hardening occurs. Beneficial factors for cracking are ?-ferrite formation and segregation of S. Recommendations on optimization of electrode flux covering and parameters of welding ant heat treatment regimes were elaborated, for rising of crack resistance and physical and mechanical properties of weldments. Product Description popup.authors popup.nrat_date 2020-04-02 Close