Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding

Cu/Al corrugated laminated composites were prepared by corrugated cold roll bonding (CCRB), and the deformation behavior and bonding properties of the laminated composites were investigated by experimental research and numerical simulation. The results demonstrate that the “cross shear zones” formed...

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Main Authors: Gao Xiangyu, Niu Wenquan, Pei Wenle, Huang Zhiquan, Wang Tao, Ma Lifeng
Format: Article
Language:English
Published: Elsevier 2023-01-01
Series:Journal of Materials Research and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785422020233
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author Gao Xiangyu
Niu Wenquan
Pei Wenle
Huang Zhiquan
Wang Tao
Ma Lifeng
author_facet Gao Xiangyu
Niu Wenquan
Pei Wenle
Huang Zhiquan
Wang Tao
Ma Lifeng
author_sort Gao Xiangyu
collection DOAJ
description Cu/Al corrugated laminated composites were prepared by corrugated cold roll bonding (CCRB), and the deformation behavior and bonding properties of the laminated composites were investigated by experimental research and numerical simulation. The results demonstrate that the “cross shear zones” formed by the CCRB process are substantially more in the Cu layer than the Al layer. Furthermore, increasing the rolling reduction can further expand the difference of the “cross shear zones” between the Cu layer and the Al layer, which is conducive to promote the plastic deformation of the hard-to-deform metal Cu and decreasing the deformation difference between the two metals, thereby reducing the warpage of the Cu/Al laminated composites. It is observed from the microstructure that the rolling reduction increased from 36% to 49%, the morphology of Al adhering to the Cu side at the trough evolves from strip to network shape, even almost covering the entire shear section of the Cu side, and the shear strength increases by 47.44 MPa. Whereas the morphology of Al adhering to the Cu side at the peak is all point-like or flake-like, and the shear strength only increases by 17.74 MPa. Additionally, it is demonstrated that as rolling reduction increases, the shear stress produced by the rapidly expanding “cross shear zones” is the primary cause for the significant increase in bonding strength at the trough. This shear stress accelerates the rupture of the hard brittle layers on the surfaces of Cu layers, while the steadily rising normal stress provides more energy for the bonding between the metals.
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spelling doaj.art-9558b459755541eeb741289b45faf75d2023-01-26T04:46:36ZengElsevierJournal of Materials Research and Technology2238-78542023-01-012232073217Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bondingGao Xiangyu0Niu Wenquan1Pei Wenle2Huang Zhiquan3Wang Tao4Ma Lifeng5College of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China; Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, ChinaCollege of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, ChinaCollege of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China; The Collaboration Innovation Center of Taiyuan Heavy Machinery Equipment, Taiyuan University of Science and Technology, Taiyuan, 030024, ChinaCollege of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China; Corresponding author.Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China; College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, ChinaCu/Al corrugated laminated composites were prepared by corrugated cold roll bonding (CCRB), and the deformation behavior and bonding properties of the laminated composites were investigated by experimental research and numerical simulation. The results demonstrate that the “cross shear zones” formed by the CCRB process are substantially more in the Cu layer than the Al layer. Furthermore, increasing the rolling reduction can further expand the difference of the “cross shear zones” between the Cu layer and the Al layer, which is conducive to promote the plastic deformation of the hard-to-deform metal Cu and decreasing the deformation difference between the two metals, thereby reducing the warpage of the Cu/Al laminated composites. It is observed from the microstructure that the rolling reduction increased from 36% to 49%, the morphology of Al adhering to the Cu side at the trough evolves from strip to network shape, even almost covering the entire shear section of the Cu side, and the shear strength increases by 47.44 MPa. Whereas the morphology of Al adhering to the Cu side at the peak is all point-like or flake-like, and the shear strength only increases by 17.74 MPa. Additionally, it is demonstrated that as rolling reduction increases, the shear stress produced by the rapidly expanding “cross shear zones” is the primary cause for the significant increase in bonding strength at the trough. This shear stress accelerates the rupture of the hard brittle layers on the surfaces of Cu layers, while the steadily rising normal stress provides more energy for the bonding between the metals.http://www.sciencedirect.com/science/article/pii/S2238785422020233Cu/Al laminated compositesCorrugated cold roll bondingNumerical simulationDeformation behaviorCross shear zones
spellingShingle Gao Xiangyu
Niu Wenquan
Pei Wenle
Huang Zhiquan
Wang Tao
Ma Lifeng
Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding
Journal of Materials Research and Technology
Cu/Al laminated composites
Corrugated cold roll bonding
Numerical simulation
Deformation behavior
Cross shear zones
title Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding
title_full Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding
title_fullStr Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding
title_full_unstemmed Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding
title_short Deformation behavior and bonding properties of Cu/Al laminated composite plate by corrugated cold roll bonding
title_sort deformation behavior and bonding properties of cu al laminated composite plate by corrugated cold roll bonding
topic Cu/Al laminated composites
Corrugated cold roll bonding
Numerical simulation
Deformation behavior
Cross shear zones
url http://www.sciencedirect.com/science/article/pii/S2238785422020233
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