Abstract

In this work, cast steel G17CrMoV5-10 was investigated. The material subject to investigation as part of this study is commonly used to manufacture steam turbine casings. Modern steam turbines operate under elevated temperature and complex oscillated loads. Thus, the focus of this study was to investigate material under behavior during low cycle fatigue (LCF) test performance at 500°C with and without hold time in tension. During all types of test, cyclic softening of cast steel was noticed. Increasing of total strain rate and applying hold time significantly reduce fatigue life. During hold time, due to temperature and tension the material creep what is confirmed by increasing inelastic stain accommodation.

Details

Title
Effect of Strain Range and Hold Time on High Temperature Fatigue Life of G17CrMoV5-10 Cast Alloy Steel
Author
Polnik, Anna 1   VIAFID ORCID Logo  ; Matysiak, Hubert 2   VIAFID ORCID Logo  ; Czarnewicz, Sławomir 3   VIAFID ORCID Logo  ; Pakieła, Zbigniew 4   VIAFID ORCID Logo 

1  Baker Hughes, al. Krakowska 110/114, 02-256 Warsaw, Poland; Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Wołoska 141, 02-507 Warsaw, Poland 
2  Baker Hughes, al. Krakowska 110/114, 02-256 Warsaw, Poland 
3  Łukasiewicz Research Network, Institute of Aviation, al. Krakowska 110/114, 02-256 Warsaw, Poland 
4  Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Wołoska 141, 02-507 Warsaw, Poland 
Pages
1-7
Publication year
2022
Publication date
2022
Publisher
De Gruyter Poland
ISSN
20817738
e-ISSN
23007591
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.2478/fas-2022-0001
ProQuest document ID
2894440605
Copyright
© 2022. This work is published under http://creativecommons.org/licenses/by-nc-nd/4.0 (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.