Interface characteristics and mechanical behavior of Cu/Al clad plate produced by the corrugated rolling technique

Liquid–solid (L–S) bonding is a promising technique for preparing laminate metal matrix composites, nevertheless, interfacial heat transfer and microstructure evolution are complicated and strongly affect the bonding behavior. Herein, stainless steel (SS)/carbon steel (CS)‐laminated composites are fabricated by L–S bonding method under different conditions. The interfacial heat‐transfer behavior and microstructure characteristics are investigated by simulations and experiments, and the bonding mechanism are analyzed. Dramatic heat transfer occurs at the cladding interface and results in a vertical temperature gradient, the substrate temperature sharply increases to the peak value and then decreases with reducing cooling rate. Metallurgical bonding cladding interfaces without oxides are obtained under a melt temperature of 1923 K and substrate‐preheating temperatures of 773 and 973 K. During the L–S bonding process, an Fe–O oxide layer covering the substrate forms and then spalls from the substrate due to cracking or decomposition due to intense heat flux during the heating stage. Subsequently, solid diffusion or dissolution diffusion initiates at the fresh surface and forms flat or waved cladding interface, and the diffusion distance of Cr is significantly improved by dissolution diffusion, resulting in strengthened cladding interface zone of the SS/CS‐laminated composite.

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Interfacial Bonding Behavior of Stainless Steel/Carbon Steel–Laminated Composites Fabricated by Liquid–Solid Bonding

Yang

Jiang

Zhou

et al. 2023

Adv Eng Mater

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Preparation of Ti/Al composite plates by differential temperature rolling with induction heating

et al. 2021

Int J Adv Manuf Technol

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In the current study, we proposed a method of differential temperature rolling with electromagnetic induction heating to prepare Ti/Al composite plates in a protective atmosphere to realize the homogeneous deformation of Ti/Al bonding rolling and improve the interfacial bonding strength of the composite plates. The temperature field required for homogeneous deformation rolling of titanium and aluminum was constructed through finite element simulation by adjusting the parameters of electromagnetic induction heating, which made a temperature difference of about 632 °C between titanium and aluminum, and the temperature of each plate was relatively uniform. The induction heating experiment was designed based on the finite element simulation, and the accuracy of the simulation results was verified by the experiment. The effects of rolling temperature and reduction rate of homogeneous deformation and bonding strength of Ti/Al composite plates were studied by rolling experiments. When the heating temperature of the Ti plate is 750-850 °C, and the reduction rate is 30%-48%, with the increase of rolling temperature and reduction rate of titanium, the reduction rate of Ti plate and Al plate gradually tend to be the same. When the temperature of titanium plate and aluminum plate is 850 °C and 188 °C, respectively, with the rolling reduction rate of 48%, the deformation rate of Ti plate and Al plate is 46.8% and 48.6%, respectively, and the bonding strength of the composite plate reaches 77MPa.

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Technological Shells in Rolling Processes of Thin Sheets from Hard-to-Deform Materials

Salikhyanov

Ivan

Nikolay

2023

J. of Materi Eng and Perform

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Interface characteristics and mechanical behavior of Cu/Al clad plate produced by the corrugated rolling technique

Cited by 23 publications

References 39 publications

Interfacial Bonding Behavior of Stainless Steel/Carbon Steel–Laminated Composites Fabricated by Liquid–Solid Bonding

Interfacial Bonding Behavior of Stainless Steel/Carbon Steel–Laminated Composites Fabricated by Liquid–Solid Bonding

Preparation of Ti/Al composite plates by differential temperature rolling with induction heating

Technological Shells in Rolling Processes of Thin Sheets from Hard-to-Deform Materials

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