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Effect of composition, heat treatment and processing technologies on the microstructure and properties of HP and IP rotors of large steam turbines from 1CrMoV steels

Abstract

In the presentation the evolution of the technology manufacturing of the large forging from the 1CrMoV steels and the results complex of the long time investigations rotors on virgin state and after different operation times is analyzed. Among the information there are the criterion of the optimization of the composition steel service properties, especially super long - term creep resistance, creep fracture and long time cracks resistance. Two safety coefficients: stress (SSC) and time safety coefficient (TSC) must be used for calculations of the possibility prolongation service life of HP and IP rotors for large steam turbines. (orig.) 11 refs.
Authors:
Tchizhik, A A [1] 
  1. The Polzunov Central Boiler and Turbine Institute, Department the Fatigue Life of Materials for Power Plant Equipment, St. Petersburg (Russian Federation)
Publication Date:
Dec 31, 1998
Product Type:
Conference
Report Number:
VTT-SYMP-184(v.1); CONF-980999-
Reference Number:
SCA: 360101; 360103; 200104; PA: FI-99:003051; EDB-99:036147; SN: 99002064665
Resource Relation:
Conference: 4. Baltica seminar on plant maintenance for managing life and performance, Helsinki (Finland), 7-9 Sep 1998; Other Information: PBD: 1998; Related Information: Is Part Of BALTICA IV. Plant maintenance for managing life and performance; Hietanen, S.; Auerkari, P. [eds.] [VTT Manufacturing Technology, Espoo (Finland). Operational Reliability]; PB: 332 p.
Subject:
36 MATERIALS SCIENCE; 20 FOSSIL-FUELED POWER PLANTS; STEAM TURBINES; ROTORS; CHROMIUM-MOLYBDENUM STEELS; VANADIUM ADDITIONS; CREEP; SERVICE LIFE; FRACTURE PROPERTIES; YIELD STRENGTH; TENSILE PROPERTIES; ELONGATION; CHEMICAL COMPOSITION; HEAT TREATMENTS; MANUFACTURING; TIME DEPENDENCE; TEMPERATURE RANGE 0400-1000 K
OSTI ID:
324959
Research Organizations:
Technical Research Centre of Finland, Espoo (Finland)
Country of Origin:
Finland
Language:
English
Other Identifying Numbers:
Other: ON: DE99730862; ISBN 951-38-4577-X; TRN: FI9903051
Availability:
OSTI as DE99730862
Submitting Site:
FI
Size:
pp. 175-186
Announcement Date:
Apr 05, 1999

Citation Formats

Tchizhik, A A. Effect of composition, heat treatment and processing technologies on the microstructure and properties of HP and IP rotors of large steam turbines from 1CrMoV steels. Finland: N. p., 1998. Web.
Tchizhik, A A. Effect of composition, heat treatment and processing technologies on the microstructure and properties of HP and IP rotors of large steam turbines from 1CrMoV steels. Finland.
Tchizhik, A A. 1998. "Effect of composition, heat treatment and processing technologies on the microstructure and properties of HP and IP rotors of large steam turbines from 1CrMoV steels." Finland.
@misc{etde_324959,
title = {Effect of composition, heat treatment and processing technologies on the microstructure and properties of HP and IP rotors of large steam turbines from 1CrMoV steels}
author = {Tchizhik, A A}
abstractNote = {In the presentation the evolution of the technology manufacturing of the large forging from the 1CrMoV steels and the results complex of the long time investigations rotors on virgin state and after different operation times is analyzed. Among the information there are the criterion of the optimization of the composition steel service properties, especially super long - term creep resistance, creep fracture and long time cracks resistance. Two safety coefficients: stress (SSC) and time safety coefficient (TSC) must be used for calculations of the possibility prolongation service life of HP and IP rotors for large steam turbines. (orig.) 11 refs.}
place = {Finland}
year = {1998}
month = {Dec}
}