Journal
OPTICS AND LASER TECHNOLOGY
Volume 127, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2020.106187
Keywords
High speed rotational laser welding (HSRLW); CFRTP; Numerical simulation; Joining strength
Categories
Funding
- Youth Innovation Promotion Association Chinese Academy of Sciences [2017343]
- Fund of National Engineering and Research Centre for Commercial Aircraft Manufacturing of China [COMAC-SFGS-201736734]
- National Nature Science foundation of China [U1609208]
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To reduce the defects in laser welding of carbon fiber reinforced polymer (CFRTP) and aluminum (Al) alloy and improve the mechanical properties of the joint, a high speed rotational laser welding (HSRLW) technology was introduced. The mathematical model of CFRTP-Al alloy laser joining was established and the temperature was simulated. The weld depth of aluminum alloy and the penetration depth of CFRTP/aluminum alloy joint were calculated and compared with the experimental result. It was found that the pore defects can be significantly reduced, and a high strength joint could be obtained. The simulation results agree well with the experimental results, and the strength of the CFRTP/aluminum alloy joint can be predicted by using the numerical simulation method.
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