Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints
Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of...
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| Autor*in: |
Guo, Xiangzhong [verfasserIn] Liu, Wei [verfasserIn] Li, Xiqing [verfasserIn] Shi, Haowen [verfasserIn] Song, Zhikun [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Übergeordnetes Werk: |
Enthalten in: Chinese Journal of Mechanical Engineering - Chinese Mechanical Engineering Society, 2012, 34(2021), 1 vom: 13. Apr. |
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| Übergeordnetes Werk: |
volume:34 ; year:2021 ; number:1 ; day:13 ; month:04 |
| Links: |
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| DOI / URN: |
10.1186/s10033-021-00557-4 |
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SPR043759459 |
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| 520 | |a Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. | ||
| 650 | 4 | |a Laser welded lap joint |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a Fatigue resistance |7 (dpeaa)DE-He213 | |
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10.1186/s10033-021-00557-4 doi (DE-627)SPR043759459 (DE-599)SPRs10033-021-00557-4-e (SPR)s10033-021-00557-4-e DE-627 ger DE-627 rakwb eng Guo, Xiangzhong verfasserin aut Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. Laser welded lap joint (dpeaa)DE-He213 Penetration and non-penetration (dpeaa)DE-He213 Fatigue resistance (dpeaa)DE-He213 Fracture behavior (dpeaa)DE-He213 Liu, Wei verfasserin aut Li, Xiqing verfasserin aut Shi, Haowen verfasserin aut Song, Zhikun verfasserin aut Enthalten in Chinese Journal of Mechanical Engineering Chinese Mechanical Engineering Society, 2012 34(2021), 1 vom: 13. Apr. (DE-627)SPR008124000 nnns volume:34 year:2021 number:1 day:13 month:04 https://dx.doi.org/10.1186/s10033-021-00557-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 34 2021 1 13 04 |
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10.1186/s10033-021-00557-4 doi (DE-627)SPR043759459 (DE-599)SPRs10033-021-00557-4-e (SPR)s10033-021-00557-4-e DE-627 ger DE-627 rakwb eng Guo, Xiangzhong verfasserin aut Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. Laser welded lap joint (dpeaa)DE-He213 Penetration and non-penetration (dpeaa)DE-He213 Fatigue resistance (dpeaa)DE-He213 Fracture behavior (dpeaa)DE-He213 Liu, Wei verfasserin aut Li, Xiqing verfasserin aut Shi, Haowen verfasserin aut Song, Zhikun verfasserin aut Enthalten in Chinese Journal of Mechanical Engineering Chinese Mechanical Engineering Society, 2012 34(2021), 1 vom: 13. Apr. (DE-627)SPR008124000 nnns volume:34 year:2021 number:1 day:13 month:04 https://dx.doi.org/10.1186/s10033-021-00557-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 34 2021 1 13 04 |
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10.1186/s10033-021-00557-4 doi (DE-627)SPR043759459 (DE-599)SPRs10033-021-00557-4-e (SPR)s10033-021-00557-4-e DE-627 ger DE-627 rakwb eng Guo, Xiangzhong verfasserin aut Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. Laser welded lap joint (dpeaa)DE-He213 Penetration and non-penetration (dpeaa)DE-He213 Fatigue resistance (dpeaa)DE-He213 Fracture behavior (dpeaa)DE-He213 Liu, Wei verfasserin aut Li, Xiqing verfasserin aut Shi, Haowen verfasserin aut Song, Zhikun verfasserin aut Enthalten in Chinese Journal of Mechanical Engineering Chinese Mechanical Engineering Society, 2012 34(2021), 1 vom: 13. Apr. (DE-627)SPR008124000 nnns volume:34 year:2021 number:1 day:13 month:04 https://dx.doi.org/10.1186/s10033-021-00557-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 34 2021 1 13 04 |
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10.1186/s10033-021-00557-4 doi (DE-627)SPR043759459 (DE-599)SPRs10033-021-00557-4-e (SPR)s10033-021-00557-4-e DE-627 ger DE-627 rakwb eng Guo, Xiangzhong verfasserin aut Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. Laser welded lap joint (dpeaa)DE-He213 Penetration and non-penetration (dpeaa)DE-He213 Fatigue resistance (dpeaa)DE-He213 Fracture behavior (dpeaa)DE-He213 Liu, Wei verfasserin aut Li, Xiqing verfasserin aut Shi, Haowen verfasserin aut Song, Zhikun verfasserin aut Enthalten in Chinese Journal of Mechanical Engineering Chinese Mechanical Engineering Society, 2012 34(2021), 1 vom: 13. Apr. (DE-627)SPR008124000 nnns volume:34 year:2021 number:1 day:13 month:04 https://dx.doi.org/10.1186/s10033-021-00557-4 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 34 2021 1 13 04 |
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In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. 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Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints |
| author_sort |
Guo, Xiangzhong |
| journal |
Chinese Journal of Mechanical Engineering |
| journalStr |
Chinese Journal of Mechanical Engineering |
| lang_code |
eng |
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true |
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marc |
| publishDateSort |
2021 |
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txt |
| author_browse |
Guo, Xiangzhong Liu, Wei Li, Xiqing Shi, Haowen Song, Zhikun |
| container_volume |
34 |
| format_se |
Elektronische Aufsätze |
| author-letter |
Guo, Xiangzhong |
| doi_str_mv |
10.1186/s10033-021-00557-4 |
| author2-role |
verfasserin |
| title_sort |
fatigue resistance and failure behavior of penetration and non-penetration laser welded lap joints |
| title_auth |
Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints |
| abstract |
Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. |
| abstractGer |
Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. |
| abstract_unstemmed |
Abstract Penetration and non-penetration lap laser welding is the joining method for assembling side facade panels of railway passenger cars, while their fatigue performances and the difference between them are not completely understood. In this study, the fatigue resistance and failure behavior of penetration 1.5+0.8-P and non-penetration 0.8+1.5-N laser welded lap joints prepared with 0.8 mm and 1.5 mm cold-rolled 301L plates were investigated. The weld beads showed a solidification microstructure of primary ferrite with good thermal cracking resistance, and their hardness was lower than that of the plates. The 1.5+0.8-P joint exhibited better fatigue resistance to low stress amplitudes, whereas the 0.8+1.5-N joint showed greater resistance to high stress amplitudes. The failure modes of 0.8+1.5-N and 1.5+0.8-P joints were 1.5 mm and 0.8 mm lower lap plate fracture, respectively, and the primary cracks were initiated at welding fusion lines on the lap surface. There were long plastic ribs on the penetration plate fracture, but not on the non-penetration plate fracture. The fatigue resistance stresses in the crack initiation area of the penetration and non-penetration plates calculated based on the mean fatigue limits are 408 MPa and 326 MPa, respectively, which can be used as reference stress for the fatigue design of the laser welded structures. The main reason for the difference in fatigue performance between the two laser welded joints was that the asymmetrical heating in the non-penetration plate thickness resulted in higher residual stress near the welding fusion line. |
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| title_short |
Fatigue Resistance and Failure Behavior of Penetration and Non-Penetration Laser Welded Lap Joints |
| url |
https://dx.doi.org/10.1186/s10033-021-00557-4 |
| remote_bool |
true |
| author2 |
Liu, Wei Li, Xiqing Shi, Haowen Song, Zhikun |
| author2Str |
Liu, Wei Li, Xiqing Shi, Haowen Song, Zhikun |
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| doi_str |
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| up_date |
2024-07-03T20:42:41.111Z |
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