Influence of reduction ratio on the interface microstructure and mechanical properties of roll-bonded Al/Cu sheets

Lee, K.S.; Lee, S.E.; Sung, Hyokyung; Lee, D.H.; Kim, J.S.; Chang, Young Won; Lee, S.; Kwon, Youngeun

doi:10.1016/j.msea.2013.06.077

Cited by 44 publications

(11 citation statements)

References 16 publications

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“…Metal composite plates which consist of two or more dissimilar metallic alloys is a vital type of multilayered structures. Comparing with monolayer plates, the metal composite plates possess special capabilities such as corrosionresistance, high mechanical and thermal properties, et al From now on, the fabrication of metal composites has been carried out through numerous kinds of processes such as EXW [6][7][8][9] , diffusion bonding 10,11 , fusion welding 12 , resistance seam cladding 13 and roll bonding [14][15][16][17] . Due to considerable advantages such as high bond strength, EXW is becoming an increasingly popular method of joining.…”

Section: Introductionmentioning

confidence: 99%

Microstructure and Mechanical Properties of AA6061/AZ31B/AA6061 Composite Plates Fabricated by Vertical Explosive Welding and Subsequent Hot Rolling

et al. 2018

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In this study, three-ply Al/Mg/Al composite plates were successfully achieved by vertical explosive welding (EXW) method. After EXW, the sound joints were obtained. Then thin three-ply Al/Mg/Al EXWed composite plates with the thickness of 1.78 mm were achieved by hot rolling. The influence of annealing on the interface microstructures and mechanical properties of the thin composite plates was investigated. The results indicated that different morphology with big waveform and mini waveform was present in the explosively bonded interface. The interface shear strength was 91MPa for big waveform side and 92Mpa for mini waveform side. The rolled sample without annealing possessed the high ultimate tensile strength (UTS) value of 235Mpa and elongation of 8.5%. The equiaxed and homogeneous grain morphology of magnesium alloys in the thin three-ply Al/Mg/Al composite plates could be induced by annealing 300°C for 1 h. This contributed to the considerable increase of elongation by 18.5%.

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Section: Introductionmentioning

confidence: 99%

Microstructure and Mechanical Properties of AA6061/AZ31B/AA6061 Composite Plates Fabricated by Vertical Explosive Welding and Subsequent Hot Rolling

et al. 2018

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“…It has already been reported that MH has a direct dependence on the diffusion of melt and solid insert. If the poor diffusion of melt and solid insert occurs, it will yield inferior metallic bonding that reduces the value of MH [9,32]. Thus, the higher magnitude of MH is a proof of better diffusion of melt and the solid insert.…”

Section: Parametric Main Effects Plotsmentioning

confidence: 99%

“…Numerous techniques have been used by the researchers for joining similar and dissimilar metals. These techniques are mainly classified into three categories: (A) solid-solid bonding, like explosive welding [5], laser welding [6], friction stir welding [7], hydrostatic extrusion [4], brazing [8], and rolling [9]; (B) solid-liquid bonding, for instance, overcasting [10,11] and hot dipping [12]; (C) liquid-liquid bonding, such as direct chill casting [13], lost-foam casting [14], and continuous casting [15]. It is worth mentioning that solid-solid bonding is time consuming and costly due to the shape and design constraints of the substrate.…”

Section: Introductionmentioning

confidence: 99%

Mechanical characterization of aged AA2026-AA2026 overcast joints fabricated by squeeze casting

Ali

Ishfaq

Raza

et al. 2020

Int J Adv Manuf Technol

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Squeeze overcasting has emerged as an attractive option for casting of Al alloys in terms of mechanical properties. The attainment of the desired magnitude of these properties is challenging in overcasting due to the involvement of a number of process parameters. In this study, the effects of insert preheat temperature (T I) along with pouring temperature (T P), and squeeze pressure (P S) on the mechanical properties of squeeze overcast AA2026-AA2026 joint were investigated. Experimental results revealed that the squeeze pressure is the most prominent factor affecting the ultimate tensile strength (UTS) while micro-hardness (MH) is significantly influenced by the pouring temperature. Maximum values of UTS (315 MPa) and MH (130 HV) were achieved at a P S of 120 MPa, T P of 780°C, and T I of 250°C. Energy dispersive X-ray (EDX) analysis witnessed that T I has also a significant role in determining the quality of bond between the substrate and the melt. Scanning electron microscopy (SEM) depicts that the morphology of the fractured surface has a sound influence on both selected responses. Both the strength and hardness are noticed better if the fractured surface possesses the flat-faced morphology. Furthermore, an empirical regression model was developed using response surface methodology (RSM) design and validated through eight confirmatory experiments. RSM integrated multi-objective optimization genetic algorithm (MO-GA) was deployed to optimize the UTS and MH. The comparative results obtained from RSM and MO-GA demonstrated that the deviation in experimental and predicted values is less than 5%.

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“…Cold rolling has proven to be a successful method to produce Cu/Al clad laminated composites due to the controlled intermetallics layer. Reduction ratio [8] is one of the key parameters for the cold roll bonding process and reduction of 60% of a single pass is usually needed for successful bonding. Asymmetrical cold rolling [9,10] was further developed to produce Cu/Al clad laminated composites with better bonding effect.…”

Section: Introductionmentioning

confidence: 99%

Effect of Annealing on the Interface and Mechanical Properties of Cu-Al-Cu Laminated Composite Prepared with Cold Rolling

Wang

Zhu

et al. 2020

Materials

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Cu-Al-Cu laminated composite was prepared with cold roll bonding process and annealing was carried out to study the phase evolution during the annealing process and its effect on the mechanical properties of the composite. The experimental results showed that after annealing the brittle intermetallics in the interface mainly includes Al4Cu9, AlCu and Al2Cu. With the increase of annealing temperature, the tensile strength of the composite decreases and the elongation shows a different variation which increases at the beginning and then decreases after a critical point. This phenomenon is related to the evolution of intermetallic compounds in the interface of the composite. It was also found that the crack source of the tensile sample is in the interface and delamination appeared at high annealing temperature (450 °C).

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Influence of reduction ratio on the interface microstructure and mechanical properties of roll-bonded Al/Cu sheets

Cited by 44 publications

References 16 publications

Microstructure and Mechanical Properties of AA6061/AZ31B/AA6061 Composite Plates Fabricated by Vertical Explosive Welding and Subsequent Hot Rolling

Microstructure and Mechanical Properties of AA6061/AZ31B/AA6061 Composite Plates Fabricated by Vertical Explosive Welding and Subsequent Hot Rolling

Mechanical characterization of aged AA2026-AA2026 overcast joints fabricated by squeeze casting

Effect of Annealing on the Interface and Mechanical Properties of Cu-Al-Cu Laminated Composite Prepared with Cold Rolling

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