On DIC measurements of DeltaKeff to verify if it is the FCG driving force
Redundant data obtained under quasi-constant {DeltaK, Kmax} loading conditions is used to verify if the effective stress intensity factor (SIF) range DeltaKeff DeltaKmax DeltaKop is indeed the fatigue crack driving force. The crack opening SIF Kop is measured along the entire crack path on DC(T) low...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2017-06-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/1886 |
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| author | Julián Andrés Ortiz González Jaime Tupiassú Pinho de Castro Giancarlo Luis Gomez Gonzáles Marco Antonio Meggiolaro José Luiz de França Freire |
| author_facet | Julián Andrés Ortiz González Jaime Tupiassú Pinho de Castro Giancarlo Luis Gomez Gonzáles Marco Antonio Meggiolaro José Luiz de França Freire |
| author_sort | Julián Andrés Ortiz González |
| collection | DOAJ |
| description | Redundant data obtained under quasi-constant {DeltaK, Kmax} loading conditions is used to verify if the effective stress intensity factor (SIF) range DeltaKeff DeltaKmax DeltaKop is indeed the fatigue crack driving force. The crack opening SIF Kop is measured along the entire crack path on DC(T) low carbon steel specimens by a series of strain gages bonded along the crack paths, by a strain gage bonded on their back faces, and by a digital image correlation technique. All such measurements showed a significant Kop decrease as the crack sizes increased, while the fatigue crack growth rates remained essentially constant both in the thin and thick specimens, a behavior that cannot be explained by DeltaKeff arguments. |
| format | Article |
| id | doaj-art-e7a5fba7b3db41949f2d6882ec647f9c |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2017-06-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-e7a5fba7b3db41949f2d6882ec647f9c2025-01-03T01:03:05ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932017-06-011141On DIC measurements of DeltaKeff to verify if it is the FCG driving forceJulián Andrés Ortiz GonzálezJaime Tupiassú Pinho de CastroGiancarlo Luis Gomez GonzálesMarco Antonio MeggiolaroJosé Luiz de França FreireRedundant data obtained under quasi-constant {DeltaK, Kmax} loading conditions is used to verify if the effective stress intensity factor (SIF) range DeltaKeff DeltaKmax DeltaKop is indeed the fatigue crack driving force. The crack opening SIF Kop is measured along the entire crack path on DC(T) low carbon steel specimens by a series of strain gages bonded along the crack paths, by a strain gage bonded on their back faces, and by a digital image correlation technique. All such measurements showed a significant Kop decrease as the crack sizes increased, while the fatigue crack growth rates remained essentially constant both in the thin and thick specimens, a behavior that cannot be explained by DeltaKeff arguments.https://www.fracturae.com/index.php/fis/article/view/1886Fatigue crack driving forcesopening load measurementsdeltaKeff limitations |
| spellingShingle | Julián Andrés Ortiz González Jaime Tupiassú Pinho de Castro Giancarlo Luis Gomez Gonzáles Marco Antonio Meggiolaro José Luiz de França Freire On DIC measurements of DeltaKeff to verify if it is the FCG driving force Fracture and Structural Integrity Fatigue crack driving forces opening load measurements deltaKeff limitations |
| title | On DIC measurements of DeltaKeff to verify if it is the FCG driving force |
| title_full | On DIC measurements of DeltaKeff to verify if it is the FCG driving force |
| title_fullStr | On DIC measurements of DeltaKeff to verify if it is the FCG driving force |
| title_full_unstemmed | On DIC measurements of DeltaKeff to verify if it is the FCG driving force |
| title_short | On DIC measurements of DeltaKeff to verify if it is the FCG driving force |
| title_sort | on dic measurements of deltakeff to verify if it is the fcg driving force |
| topic | Fatigue crack driving forces opening load measurements deltaKeff limitations |
| url | https://www.fracturae.com/index.php/fis/article/view/1886 |
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