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Quantification of stress raiser influence on decrease of machine parts fatigue life

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Authors
Momčilović, Dejan
Mitrović, Radivoje
Atanasovska, Ivana
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Abstract
This paper displays the usage of Theory of Critical Distances (TCD) in the prediction of high-cycle fatigue behaviour in machine parts and systems. It is possible to gain real overview of stresses of machine parts by Finite Element Analysis, and to use them as an entry values for application of Theory of Critical Distances. The TCD represents a major extension of linear elastic fracture mechanics, allowing it to be used for short cracks as well as for stress concentrations of arbitrary geometry. Presented methodology is particular valid for machine parts of non-standard dimensions. A particular turbine shaft from hydro power plant was chosen as subject for developed methodology presentation. This paper illustrates the application of the TCD on decrease of fatigue life of turbine shaft due to shaft-flange radii stress concentration and corrosion pits.
Keywords:
Theory of Critical Distances / fracture / fatigue
Source:
Machine and Industrial Design in Mechanical Engineering, Seventh International Symposium, Kod 2012, 2012, 215-218
Publisher:
  • Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad
Funding / projects:
  • Development of Methodology for Improvement of Operational Performance, Reliability and Energy Efficiency of Machine Systems used in the Resource Industry (RS-35029)

ISBN: 9781629939452

WoS: 000398981300040

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rims_182
URI
http://rims.institutims.rs/handle/123456789/182
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - CONF
AU  - Momčilović, Dejan
AU  - Mitrović, Radivoje
AU  - Atanasovska, Ivana
PY  - 2012
UR  - http://rims.institutims.rs/handle/123456789/182
AB  - This paper displays the usage of Theory of Critical Distances (TCD) in the prediction of high-cycle fatigue behaviour in machine parts and systems. It is possible to gain real overview of stresses of machine parts by Finite Element Analysis, and to use them as an entry values for application of Theory of Critical Distances. The TCD represents a major extension of linear elastic fracture mechanics, allowing it to be used for short cracks as well as for stress concentrations of arbitrary geometry. Presented methodology is particular valid for machine parts of non-standard dimensions. A particular turbine shaft from hydro power plant was chosen as subject for developed methodology presentation. This paper illustrates the application of the TCD on decrease of fatigue life of turbine shaft due to shaft-flange radii stress concentration and corrosion pits.
PB  - Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad
C3  - Machine and Industrial Design in Mechanical Engineering, Seventh International Symposium, Kod 2012
T1  - Quantification of stress raiser influence on decrease of machine parts fatigue life
EP  - 218
SP  - 215
UR  - https://hdl.handle.net/21.15107/rcub_rims_182
ER  - 
@conference{
author = "Momčilović, Dejan and Mitrović, Radivoje and Atanasovska, Ivana",
year = "2012",
abstract = "This paper displays the usage of Theory of Critical Distances (TCD) in the prediction of high-cycle fatigue behaviour in machine parts and systems. It is possible to gain real overview of stresses of machine parts by Finite Element Analysis, and to use them as an entry values for application of Theory of Critical Distances. The TCD represents a major extension of linear elastic fracture mechanics, allowing it to be used for short cracks as well as for stress concentrations of arbitrary geometry. Presented methodology is particular valid for machine parts of non-standard dimensions. A particular turbine shaft from hydro power plant was chosen as subject for developed methodology presentation. This paper illustrates the application of the TCD on decrease of fatigue life of turbine shaft due to shaft-flange radii stress concentration and corrosion pits.",
publisher = "Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad",
journal = "Machine and Industrial Design in Mechanical Engineering, Seventh International Symposium, Kod 2012",
title = "Quantification of stress raiser influence on decrease of machine parts fatigue life",
pages = "218-215",
url = "https://hdl.handle.net/21.15107/rcub_rims_182"
}
Momčilović, D., Mitrović, R.,& Atanasovska, I.. (2012). Quantification of stress raiser influence on decrease of machine parts fatigue life. in Machine and Industrial Design in Mechanical Engineering, Seventh International Symposium, Kod 2012
Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad., 215-218.
https://hdl.handle.net/21.15107/rcub_rims_182
Momčilović D, Mitrović R, Atanasovska I. Quantification of stress raiser influence on decrease of machine parts fatigue life. in Machine and Industrial Design in Mechanical Engineering, Seventh International Symposium, Kod 2012. 2012;:215-218.
https://hdl.handle.net/21.15107/rcub_rims_182 .
Momčilović, Dejan, Mitrović, Radivoje, Atanasovska, Ivana, "Quantification of stress raiser influence on decrease of machine parts fatigue life" in Machine and Industrial Design in Mechanical Engineering, Seventh International Symposium, Kod 2012 (2012):215-218,
https://hdl.handle.net/21.15107/rcub_rims_182 .

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