A model for steady state stage III creep regime at low-high stress/temperature range
Although diffusional flow creep is often considered out of practical engineering applications, the need for a model capable to account for the resulting action of both diffusional and dislocation type creep is justified by the increasing demands of reliable creep design for very long lives (exceedin...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2013-04-01
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| Series: | Fracture and Structural Integrity |
| Online Access: | https://www.fracturae.com/index.php/fis/article/view/25 |
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| author | L. Esposito N. Bonora |
| author_facet | L. Esposito N. Bonora |
| author_sort | L. Esposito |
| collection | DOAJ |
| description | Although diffusional flow creep is often considered out of practical engineering applications, the need for a model capable to account for the resulting action of both diffusional and dislocation type creep is justified by the increasing demands of reliable creep design for very long lives (exceeding lOO.OOOh), high stress-low temperatures and high temperature-low stress regimes. In this paper, a creep model formulation, in which the change of the creep mechanism has been accounted for through an explicit dependence of the creep exponent n on stress and temperature, has been proposed. An application example of the proposed approach to high purity aluminum is given. |
| format | Article |
| id | doaj-art-2e9111ffdfa1474ea960824d2b4e7c58 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2013-04-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-2e9111ffdfa1474ea960824d2b4e7c582025-01-02T22:36:53ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932013-04-012510.3221/IGF-ESIS.05.02A model for steady state stage III creep regime at low-high stress/temperature rangeL. Esposito0N. Bonora1DiMSAT - Università di CassinoDiMSAT - Università di CassinoAlthough diffusional flow creep is often considered out of practical engineering applications, the need for a model capable to account for the resulting action of both diffusional and dislocation type creep is justified by the increasing demands of reliable creep design for very long lives (exceeding lOO.OOOh), high stress-low temperatures and high temperature-low stress regimes. In this paper, a creep model formulation, in which the change of the creep mechanism has been accounted for through an explicit dependence of the creep exponent n on stress and temperature, has been proposed. An application example of the proposed approach to high purity aluminum is given.https://www.fracturae.com/index.php/fis/article/view/25 |
| spellingShingle | L. Esposito N. Bonora A model for steady state stage III creep regime at low-high stress/temperature range Fracture and Structural Integrity |
| title | A model for steady state stage III creep regime at low-high stress/temperature range |
| title_full | A model for steady state stage III creep regime at low-high stress/temperature range |
| title_fullStr | A model for steady state stage III creep regime at low-high stress/temperature range |
| title_full_unstemmed | A model for steady state stage III creep regime at low-high stress/temperature range |
| title_short | A model for steady state stage III creep regime at low-high stress/temperature range |
| title_sort | model for steady state stage iii creep regime at low high stress temperature range |
| url | https://www.fracturae.com/index.php/fis/article/view/25 |
| work_keys_str_mv | AT lesposito amodelforsteadystatestageiiicreepregimeatlowhighstresstemperaturerange AT nbonora amodelforsteadystatestageiiicreepregimeatlowhighstresstemperaturerange AT lesposito modelforsteadystatestageiiicreepregimeatlowhighstresstemperaturerange AT nbonora modelforsteadystatestageiiicreepregimeatlowhighstresstemperaturerange |