Plastic zone evolution near a crack tip and its role in environmentally assisted cracking
This paper analyzes the effects of crack tip plastic strains and compressive residual stresses, created by fatigue pre-cracking, on environmentally assisted cracking of pearlitic steel subjected to localized anodic dissolution and hydrogen assisted fracture. In both situations, cyclic crack tip plas...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Gruppo Italiano Frattura
2013-04-01
|
| Series: | Fracture and Structural Integrity |
| Subjects: | |
| Online Access: | https://www.fracturae.com/index.php/fis/article/view/218 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841562785069137920 |
|---|---|
| author | Jesús Toribio Viktor Kharin |
| author_facet | Jesús Toribio Viktor Kharin |
| author_sort | Jesús Toribio |
| collection | DOAJ |
| description | This paper analyzes the effects of crack tip plastic strains and compressive residual stresses, created by fatigue pre-cracking, on environmentally assisted cracking of pearlitic steel subjected to localized anodic dissolution and hydrogen assisted fracture. In both situations, cyclic crack tip plasticity improves the behavior of the steel. In the respective cases, the effects are supposed to be due to accelerated local anodic dissolution of the cyclic plastic zone (producing chemical crack blunting) or to the delay of hydrogen entry into the metal caused by residual compressive stresses, thus increasing the fracture load in aggressive environment. |
| format | Article |
| id | doaj-art-926b313eb5f649e08fa854eece721d49 |
| 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-926b313eb5f649e08fa854eece721d492025-01-03T00:40:27ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932013-04-01725Plastic zone evolution near a crack tip and its role in environmentally assisted crackingJesús ToribioViktor KharinThis paper analyzes the effects of crack tip plastic strains and compressive residual stresses, created by fatigue pre-cracking, on environmentally assisted cracking of pearlitic steel subjected to localized anodic dissolution and hydrogen assisted fracture. In both situations, cyclic crack tip plasticity improves the behavior of the steel. In the respective cases, the effects are supposed to be due to accelerated local anodic dissolution of the cyclic plastic zone (producing chemical crack blunting) or to the delay of hydrogen entry into the metal caused by residual compressive stresses, thus increasing the fracture load in aggressive environment.https://www.fracturae.com/index.php/fis/article/view/218Near-tip stress-strain fields |
| spellingShingle | Jesús Toribio Viktor Kharin Plastic zone evolution near a crack tip and its role in environmentally assisted cracking Fracture and Structural Integrity Near-tip stress-strain fields |
| title | Plastic zone evolution near a crack tip and its role in environmentally assisted cracking |
| title_full | Plastic zone evolution near a crack tip and its role in environmentally assisted cracking |
| title_fullStr | Plastic zone evolution near a crack tip and its role in environmentally assisted cracking |
| title_full_unstemmed | Plastic zone evolution near a crack tip and its role in environmentally assisted cracking |
| title_short | Plastic zone evolution near a crack tip and its role in environmentally assisted cracking |
| title_sort | plastic zone evolution near a crack tip and its role in environmentally assisted cracking |
| topic | Near-tip stress-strain fields |
| url | https://www.fracturae.com/index.php/fis/article/view/218 |
| work_keys_str_mv | AT jesustoribio plasticzoneevolutionnearacracktipanditsroleinenvironmentallyassistedcracking AT viktorkharin plasticzoneevolutionnearacracktipanditsroleinenvironmentallyassistedcracking |