The evolution of the welded joints structure at low cycle fatigue
The effect of cyclic damage on the structure evolution and the change in the micro stresses of the crystal cell in characteristic zones of dissimilar welded joints of steels strength classes X60 and X70 is estimated. It is shown, that with increase in the number of loading cycles in less strong meta...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2017-01-01
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| Series: | MATEC Web of Conferences |
| Online Access: | https://doi.org/10.1051/matecconf/201712902045 |
| _version_ | 1819126990059339776 |
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| author | Poyarkova Ekaterina Kuzeev Iskander |
| author_facet | Poyarkova Ekaterina Kuzeev Iskander |
| author_sort | Poyarkova Ekaterina |
| collection | DOAJ |
| description | The effect of cyclic damage on the structure evolution and the change in the micro stresses of the crystal cell in characteristic zones of dissimilar welded joints of steels strength classes X60 and X70 is estimated. It is shown, that with increase in the number of loading cycles in less strong metal of the welded joint, relaxation of internal stresses, realized by splitting individual ambits of ferrite grain or by the initiation of micro cracks, is observed. The results of fractographic analysis of a less reliable weld zone at different levels of samples fractures of accumulated damage are presented. |
| first_indexed | 2024-12-22T08:04:48Z |
| format | Article |
| id | doaj.art-97b3fce21fc64507aeb7447619c276fa |
| institution | Directory Open Access Journal |
| issn | 2261-236X |
| language | English |
| last_indexed | 2024-12-22T08:04:48Z |
| publishDate | 2017-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | MATEC Web of Conferences |
| spelling | doaj.art-97b3fce21fc64507aeb7447619c276fa2022-12-21T18:33:10ZengEDP SciencesMATEC Web of Conferences2261-236X2017-01-011290204510.1051/matecconf/201712902045matecconf_icmtmte2017_02045The evolution of the welded joints structure at low cycle fatiguePoyarkova EkaterinaKuzeev IskanderThe effect of cyclic damage on the structure evolution and the change in the micro stresses of the crystal cell in characteristic zones of dissimilar welded joints of steels strength classes X60 and X70 is estimated. It is shown, that with increase in the number of loading cycles in less strong metal of the welded joint, relaxation of internal stresses, realized by splitting individual ambits of ferrite grain or by the initiation of micro cracks, is observed. The results of fractographic analysis of a less reliable weld zone at different levels of samples fractures of accumulated damage are presented.https://doi.org/10.1051/matecconf/201712902045 |
| spellingShingle | Poyarkova Ekaterina Kuzeev Iskander The evolution of the welded joints structure at low cycle fatigue MATEC Web of Conferences |
| title | The evolution of the welded joints structure at low cycle fatigue |
| title_full | The evolution of the welded joints structure at low cycle fatigue |
| title_fullStr | The evolution of the welded joints structure at low cycle fatigue |
| title_full_unstemmed | The evolution of the welded joints structure at low cycle fatigue |
| title_short | The evolution of the welded joints structure at low cycle fatigue |
| title_sort | evolution of the welded joints structure at low cycle fatigue |
| url | https://doi.org/10.1051/matecconf/201712902045 |
| work_keys_str_mv | AT poyarkovaekaterina theevolutionoftheweldedjointsstructureatlowcyclefatigue AT kuzeeviskander theevolutionoftheweldedjointsstructureatlowcyclefatigue AT poyarkovaekaterina evolutionoftheweldedjointsstructureatlowcyclefatigue AT kuzeeviskander evolutionoftheweldedjointsstructureatlowcyclefatigue |