The present paper combines the fatigue properties rapid assessment approach using uniaxial test specimens proposed by Risitano and co-workers with the nondestructive testing (NDT) inspection approach proposed by Sakagami and co-workers to monitor the onset of fatigue in a reduced scale pipeline test specimen that was previously dented and subsequently subjected to cyclic pressure loading. In addition to the use of the conventional infrared (IR) thermographic method, the present paper uses a self-reference lock-in IR thermography method based on Thermoelastic Stress Analysis (TSA) and its deviation from traditional applications due to the presence of fatigue damage and plastic strains. The paper concludes showing that is possible to predict and monitor and detect fatigue initiation and damage using IR and TSA techniques applied to the thin wall pipe loaded under cyclic hydrostatic pressure.
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ASME 2018 Pressure Vessels and Piping Conference
July 15–20, 2018
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5158-6
PROCEEDINGS PAPER
Fatigue Monitoring of a Dented Piping Specimen Using Infrared Thermography
Vitor Eboli L. Paiva,
Vitor Eboli L. Paiva
PUC-Rio, Rio de Janeiro, Brazil
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G. L. G. Gonzáles,
G. L. G. Gonzáles
PUC-Rio, Rio de Janeiro, Brazil
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R. D. Vieira,
R. D. Vieira
PUC-Rio, Rio de Janeiro, Brazil
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J. E. Maneschy,
J. E. Maneschy
PUC-Rio, Rio de Janeiro, Brazil
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R. B. Vieira,
R. B. Vieira
PUC-Rio, Rio de Janeiro, Brazil
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J. L. F. Freire
J. L. F. Freire
PUC-Rio, Rio de Janeiro, Brazil
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Vitor Eboli L. Paiva
PUC-Rio, Rio de Janeiro, Brazil
G. L. G. Gonzáles
PUC-Rio, Rio de Janeiro, Brazil
R. D. Vieira
PUC-Rio, Rio de Janeiro, Brazil
J. E. Maneschy
PUC-Rio, Rio de Janeiro, Brazil
R. B. Vieira
PUC-Rio, Rio de Janeiro, Brazil
J. L. F. Freire
PUC-Rio, Rio de Janeiro, Brazil
Paper No:
PVP2018-84597, V01AT01A034; 8 pages
Published Online:
October 26, 2018
Citation
Paiva, VEL, Gonzáles, GLG, Vieira, RD, Maneschy, JE, Vieira, RB, & Freire, JLF. "Fatigue Monitoring of a Dented Piping Specimen Using Infrared Thermography." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 1A: Codes and Standards. Prague, Czech Republic. July 15–20, 2018. V01AT01A034. ASME. https://doi.org/10.1115/PVP2018-84597
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