Recent progress on plastic forming of laminated metal composites: Processes, heterogeneous deformation, and interfacial regulation

• Principles, characteristics, bonding mechanisms, and key factors of main plastic forming processes for LMCs are reviewed. • Heterogeneous deformation, damage, and fracture mechanisms in LMCs, and characterization & modeling methods are summarized. • Formation and evolution of IMCs , and methods to evaluate and regulate the interface performance of LMCs are elucidated. • Challenges and future work on plastic forming of LMCs are orchestrated. Laminated metal composites (LMCs) have widespread application prospects and are set to become indispensable in addressing modern engineering challenges owing to their capability of leveraging the synergy between different metals and tailoring performance by flexibly regulating the layered configuration. The plastic forming process, as a promising advanced manufacturing technology, has been increasingly adopted for the fabrication of LMC components due to its advantages of high material utilization rate, high production efficiency, and excellent mechanical properties of the product. This review delved into the research progress on the plastic-forming process of LMCs, including rolling, extrusion, spinning, etc. It outlined the forming principles, unique characteristics, bonding mechanisms, and the influence of key process parameters on deformation, microstructure, and property. This review focused on the heterogeneous deformation and interfacial regulation of LMCs, providing insights into the mechanisms of heterogeneous deformation, damage and fracture, and formation mechanisms of intermetallic compounds. It also delineated the experimental characterization and numerical modeling methods to elucidate the heterogeneous deformation behavior, as well as the approaches to evaluating and enhancing the performance of LMCs. Finally, the challenges and prospects of manufacturing high-performance LMCs by plastic forming process are orchestrated.