Architectured lightweight steel composite: evaluation of the effect of geometrical parameters and annealing treatments on deformation behavior

Taali, Saeed; Toroghinejad, Mohammad Reza; Saeidi, Navid

doi:10.1016/j.jmrt.2021.10.121

Cited by 12 publications

(2 citation statements)

References 48 publications

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“…Du [18] pointed out that the strength of multilayered Ti/Al composites was affected by the interface layer composed of TiAl 3 and the chemical diffusion near the interface, and the rule of mixture on the strength was modified accordingly. Several intermetallic compounds of Fe and Al, including Fe 2 Al 5 , FeAl 3 and FeAl 2 , were found at the interface of a mild steel/Al composite by Poddar [9] and Taali [10]. Similar phenomena were found in the Cu/Al composite, i.e., the formation of Cu 9 Al 4 , Cu 3 Al 2 , CuAl (Cu 3 Al 4 ) and CuAl 2 in the interface [19].…”

Section: Introductionmentioning

confidence: 63%

“…The AgPd30/CuZn18Ni26 bilayer laminated composite (BLC) is typical and widely used as brushes in DC micromotors. The roll-bonding process is the most commonly used technique to manufacture laminated metal composites, such as steel/Al [9,10], steel/steel [11], Ti/Mg [12], Ag/Cu [13], Ag/Fe and Ag/Ni [14], Al/Cu [15] and Al/Mg [16,17]. The bonding of different metals by rolling and annealing includes a number of interconnected chemical and physical processes, and the properties of the composites depend greatly on the microstructure of the interface.…”

Section: Introductionmentioning

confidence: 99%

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Evolution of Interface Microstructure and Tensile Properties of AgPd30/CuNi18Zn26 Bilayer Laminated Composite Manufactured by Rolling and Annealing

Wang

Zhang

et al. 2022

Metals

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An AgPd30/CuNi18Zn26 bilayer laminated composite (BLC) was manufactured by hot-roll bonding followed by two passes of cold-rolling and three passes of annealing. The evolution of the interface microstructure during the manufacturing process was investigated using a scanning electron microscope, an electron probe microanalyzer, an X-ray diffractometer and a transmission electron microscope. It was found that a net atomic flow of Zn and Cu immigrated from the CuNi18Zn26 layer into the AgPd30 layer, leading to the formation of a Cu3Au-type superstructure of Cu2NiZn in the former and a diffusion layer in the later. The clusters enriched in Zn and Pd were formed in the diffusion layer and their number varied during the rolling and annealing process. The thickness of the diffusion layer was increased by annealing and decreased by cold rolling. Several intermetallic compounds were identified, which are Pd2Zn, PdZn, Pd2Zn3, PdZn2, Pd3Zn10 and Cu3Pd. Some orientation relationships between the compounds and the AgPd30 alloy were determined to be (310)PdZn2//(111)AgPd and (114)Cu3Pd//(311)PdZn2//(321)Pd3Zn10. Delamination occurred in all 6 samples during tensile testing, including an as-bonded one, two as-rolled ones and three as-annealed ones, but its degree decreased successively with the progress of rolling and annealing. Two turning points appear on the tensile curves of as-annealed samples, which are ascribed to the initiation of delamination and the yield of the metal matrix. However, the tensile curves of the as-bonded and as-rolled samples are smooth.

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Section: Introductionmentioning

confidence: 63%

Section: Introductionmentioning

confidence: 99%

Evolution of Interface Microstructure and Tensile Properties of AgPd30/CuNi18Zn26 Bilayer Laminated Composite Manufactured by Rolling and Annealing

Wang

Zhang

et al. 2022

Metals

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Development of a Heterogeneous Lamellar Structure Based on Layer Instabilities during Accumulative Roll Bonding

Zeng

Liang

2023

Adv Eng Mater

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The strategy of designing heterogeneous structures has emerged as a new tool in avoiding the prominent strength–ductility trade‐off dilemma in metallic materials. However, methods to reproducibly synthesize heterostructured materials with effective microstructural control are still elusive. Herein, a highly reproducible method based on conventional accumulative roll bonding (ARB) and postannealing is proposed for designing heterostructured Cu samples with precisely defined heterogeneous lamellar structure (HLS) wherein the size, volume fraction, and spatial distribution of coarse and fine grains can be accurately controlled. An optimal heterogeneous lamellar microstructure is found which gives rise to a roughly 3 times higher yield strength than that of coarse‐grained Cu and a good tensile ductility of ≈34.7% total elongation. Experimental observations reveal that the unique HLS induces strong heterodeformation‐induced hardening and promotes dislocation accumulation, leading to the observed exceptional strength–ductility synergy. This novel fabrication method is applicable to a considerably larger number of metal systems and can be utilized to further tailor HLS to optimize the mechanical properties of metals.

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Grain boundary engineering in roll-bonded copper to overcome the strength-ductility dilemma

Taali

Toroghinejad

Kuglstatter

et al. 2022

Journal of Materials Research and Technology

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Architectured lightweight steel composite: evaluation of the effect of geometrical parameters and annealing treatments on deformation behavior

Cited by 12 publications

References 48 publications

Evolution of Interface Microstructure and Tensile Properties of AgPd30/CuNi18Zn26 Bilayer Laminated Composite Manufactured by Rolling and Annealing

Evolution of Interface Microstructure and Tensile Properties of AgPd30/CuNi18Zn26 Bilayer Laminated Composite Manufactured by Rolling and Annealing

Development of a Heterogeneous Lamellar Structure Based on Layer Instabilities during Accumulative Roll Bonding

Grain boundary engineering in roll-bonded copper to overcome the strength-ductility dilemma

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