Paper Title:
Mechanical Properties of G17CrMoV5 – 10 Cast Steel after Regenerative Heat Treatment
  Abstract

The paper presents results of research on the influence of regenerative heat treatment on structure and properties of G17CrMoV5 – 10 cast steel. Investigated material was taken out from a turbine frame serviced for over 250 000 hours (total service time) at the temperature of 535 oC. The cast steel after service revealed degraded bainitic-ferritic structure and was characterized by mechanical properties ranging below norm requirements. It has been proved that high tempering temperature in the case of cast steel with bainitic structure ensures optimum combination of mechanical properties and impact energy. It has also been shown that ferrite has a negative influence on impact energy of the cast steel with bainitic-ferritic structure.

  Info
Periodical
Solid State Phenomena (Volumes 147-149)
Edited by
Zdzislaw Gosiewski and Zbigniew Kulesza
Pages
732-737
DOI
10.4028/www.scientific.net/SSP.147-149.732
Citation
G. Golański, "Mechanical Properties of G17CrMoV5 – 10 Cast Steel after Regenerative Heat Treatment", Solid State Phenomena, Vols. 147-149, pp. 732-737, 2009
Online since
January 2009
Export
Price
$32.00
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