Study on the intelligent model database modeling the laser welding for aerospace aluminum alloy. (March 2021)

• Record Type: Journal Article
• Authors: He, Shi; Chen, Shuai; Zhao, Yanqiu; Qi, Na; Zhan, Xiaohong
• Is Part Of: Journal of manufacturing processes. Volume 63(2021)
• Page Start: 121
• Page End: 129
• Publication Date: 2021-03
• Subjects: Aluminum alloy -- Laser welding -- Model database -- Material model -- Structural model -- Heat source model; Production management -- Data processing -- Periodicals; Manufacturing processes -- Periodicals; Procestechnologie; Productietechniek; Production -- Gestion -- Informatique -- Périodiques; Fabrication -- Périodiques; Manufacturing processes; Production management -- Data processing; Periodicals; 670.5
• DOI: 10.1016/j.jmapro.2020.04.043
• Languages: English
• ISSNs: 1526-6125

Abstract

Abstract: With the purpose of improving the modeling efficiency, the model database is established targeting that intelligent modeling of laser welding for aerospace aluminum alloy. The model database consists of material database, heat source model database and weld joint structure database. The aerospace aluminum alloys are classified reasonably in order to establish the material model database which can manage the thermo-physical properties of aluminum alloys. The heat source models of laser welding are summarized to establish model database on the basis of the different energy distribution characteristics. The joint structure database includes butt joint, T-joint and lap joint. Modeling of arbitrary structures can be implemented quickly and efficiently when modelers invoke and assemble this model database. The finite element model is efficiently established and accurately solved by taking the 5A90 and 2219 aluminum alloy laser welding as an example. Finally, it is found that the model database established in this paper can greatly improve the modeling efficiency of laser welding numerical simulation.