Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy
Laser direct joining of a carbon fiber reinforced thermoplastic (CFRTP) and an alloy is prone to thermal defects, thereby reducing the joint performance. This can be avoided by reasonably controlling the joining temperature. To this end, a process optimization method characterized by taking full con...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2021-11-01
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| Series: | Materials & Design |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0264127521005517 |
| _version_ | 1818360957010706432 |
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| author | Qi Wang Zhen-yuan Jia Bo-yu Zhang Dun-lin Gao Yu Ma Jing-yuan Liu |
| author_facet | Qi Wang Zhen-yuan Jia Bo-yu Zhang Dun-lin Gao Yu Ma Jing-yuan Liu |
| author_sort | Qi Wang |
| collection | DOAJ |
| description | Laser direct joining of a carbon fiber reinforced thermoplastic (CFRTP) and an alloy is prone to thermal defects, thereby reducing the joint performance. This can be avoided by reasonably controlling the joining temperature. To this end, a process optimization method characterized by taking full control of the melting depth and local peak temperature is proposed for representative CFRTP/Al and CFRTP/polymer/Al stacks. For the first time, a temperature simulation model considering the heat transfer during the laser direct joining of heterogeneous CFRTP/alloy stacks is established; the average calculation error of the model is <10%. Based on the simulation results, regression models of the melting depth and local peak temperature are established. Subsequently, constraints are determined by defect distribution observation and joint fracture surface analysis; thus, the optimized ranges of the process parameters are obtained. Finally, through laser direct joining experiments, the improvement in the joint performance is demonstrated and analyzed. The results suggest an enhancement in the strength of the aforementioned stacks under the optimized process, thus proving the rationality of the proposed method by controlling the melting depth and local peak temperature, particularly for CFRTP/polymer/Al stacks with strength close to 30 MPa. |
| first_indexed | 2024-12-13T21:09:02Z |
| format | Article |
| id | doaj.art-5f2378110ad6405dba6826e4c0fd816e |
| institution | Directory Open Access Journal |
| issn | 0264-1275 |
| language | English |
| last_indexed | 2024-12-13T21:09:02Z |
| publishDate | 2021-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Materials & Design |
| spelling | doaj.art-5f2378110ad6405dba6826e4c0fd816e2022-12-21T23:31:24ZengElsevierMaterials & Design0264-12752021-11-01209109996Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloyQi Wang0Zhen-yuan Jia1Bo-yu Zhang2Dun-lin Gao3Yu Ma4Jing-yuan Liu5Key Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, School of Mechanical Engineering, Dalian University of Technology, Dalian, ChinaKey Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, School of Mechanical Engineering, Dalian University of Technology, Dalian, ChinaCorresponding author.; Key Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, School of Mechanical Engineering, Dalian University of Technology, Dalian, ChinaKey Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, School of Mechanical Engineering, Dalian University of Technology, Dalian, ChinaKey Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, School of Mechanical Engineering, Dalian University of Technology, Dalian, ChinaKey Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, School of Mechanical Engineering, Dalian University of Technology, Dalian, ChinaLaser direct joining of a carbon fiber reinforced thermoplastic (CFRTP) and an alloy is prone to thermal defects, thereby reducing the joint performance. This can be avoided by reasonably controlling the joining temperature. To this end, a process optimization method characterized by taking full control of the melting depth and local peak temperature is proposed for representative CFRTP/Al and CFRTP/polymer/Al stacks. For the first time, a temperature simulation model considering the heat transfer during the laser direct joining of heterogeneous CFRTP/alloy stacks is established; the average calculation error of the model is <10%. Based on the simulation results, regression models of the melting depth and local peak temperature are established. Subsequently, constraints are determined by defect distribution observation and joint fracture surface analysis; thus, the optimized ranges of the process parameters are obtained. Finally, through laser direct joining experiments, the improvement in the joint performance is demonstrated and analyzed. The results suggest an enhancement in the strength of the aforementioned stacks under the optimized process, thus proving the rationality of the proposed method by controlling the melting depth and local peak temperature, particularly for CFRTP/polymer/Al stacks with strength close to 30 MPa.http://www.sciencedirect.com/science/article/pii/S0264127521005517Laser direct joiningCFRTP/alloy stacksProcess optimizationMelting depthLocal peak temperature |
| spellingShingle | Qi Wang Zhen-yuan Jia Bo-yu Zhang Dun-lin Gao Yu Ma Jing-yuan Liu Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy Materials & Design Laser direct joining CFRTP/alloy stacks Process optimization Melting depth Local peak temperature |
| title | Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy |
| title_full | Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy |
| title_fullStr | Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy |
| title_full_unstemmed | Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy |
| title_short | Influence of processing parameters on joint shear performance in laser direct joining of CFRTP and aluminum alloy |
| title_sort | influence of processing parameters on joint shear performance in laser direct joining of cfrtp and aluminum alloy |
| topic | Laser direct joining CFRTP/alloy stacks Process optimization Melting depth Local peak temperature |
| url | http://www.sciencedirect.com/science/article/pii/S0264127521005517 |
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