Preparation Technology, Application Status, and Development Trends of Copper-clad Aluminum Laminated Materials

LIU Yujiang; DU Wenyu; WANG Yan; ZHOU Yisong; HU Hongjun; YI Zhihao; WANG Xingdong; ZHONG Tao

doi:10.3969/j.issn.1674-6457.2025.07.014

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Journal of Netshape Forming Engineering ›› 2025, Vol. 17 ›› Issue (7) : 119-137. DOI: 10.3969/j.issn.1674-6457.2025.07.014

Light Alloy Forming

Preparation Technology, Application Status, and Development Trends of Copper-clad Aluminum Laminated Materials

LIU Yujiang¹, DU Wenyu¹, WANG Yan¹, ZHOU Yisong¹, HU Hongjun¹, YI Zhihao¹, WANG Xingdong¹, ZHONG Tao^2,*

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Abstract

With the rapid development of modern industry, copper-clad aluminum laminated materials have shown important application value in many fields due to the advantages of both copper's excellent conductivity and aluminum's light weight and low cost. This paper reviews the current status of the preparation technology, application areas and development trend of copper-clad aluminum laminated materials. In terms of preparation technology, copper-clad aluminum laminated material preparation methods are diverse, including horizontal continuous casting direct composite forming, horizontal core-filling continuous casting composite method, cladding casting, solid-liquid composite method, casting-cold extrusion technology, friction mixing welding, cumulative rolling bonding, triple-layer composite plate rolling, corrugated rolling and so on. These technologies have their own characteristics, respectively, for different production needs and material properties. For example, horizontal continuous casting direct composite forming technology, through continuous casting, directly composites copper and aluminum together, improving production efficiency and material consistency; Friction stir welding technology, through solid-state connection, avoids the defects of the traditional fusion welding, achieving high-strength, low heat-affected zone of the welding effect. Application areas cover electrical conductivity, heat dissipation signal transmission, electromagnetic shielding and so on. Copper-clad aluminum composite materials have become a key material in power transmission, electronic equipment, new energy vehicles, 5G communications and other fields, and show significant advantages especially in the need for lightweight design and requires high performance occasions. Looking to the future, the development trend of copper-clad aluminum laminated materials is mainly reflected in the optimization of preparation technology, performance improvement and the expansion of application areas. With the progress of science and technology and changes in market demands, copper-clad aluminum laminated materials are expected to play a more important role in the future.

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copper-clad aluminum laminated materials / preparation technology / interface bonding / application fields / development trends

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LIU Yujiang, DU Wenyu, WANG Yan, ZHOU Yisong, HU Hongjun, YI Zhihao, WANG Xingdong, ZHONG Tao. Preparation Technology, Application Status, and Development Trends of Copper-clad Aluminum Laminated Materials[J]. Journal of Netshape Forming Engineering. 2025, 17(7): 119-137 https://doi.org/10.3969/j.issn.1674-6457.2025.07.014

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