Deformation behavior and interface microstructure evolution of Al/Mg/Al multilayer composite sheets during deep drawing

Li, Chen; Chi, Chengzhong; Peng, Lin; Zhang, Hua; Liang, Wei

doi:10.1016/j.matdes.2015.03.034

Cited by 28 publications

(14 citation statements)

References 46 publications

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“…The work on the forming of metallic macroscopic composites is very limited. Li et al produced Al-Mg-Al sheets by hot roll bonding, and investigated the deep drawability [17]. Other investigations have focused on the forging of powder composites [18,19] or metal matrix composites with different particle reinforcement [20,21].…”

Section: Methodsmentioning

confidence: 99%

Process Chain for the Production of a Bimetal Component from Mg with a Complete Al Cladding

Förster

Binotsch

Awiszus

2018

Metals

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With respect to its density, magnesium (Mg) has a high potential for lightweight components. Nevertheless, the industrial application of Mg is limited due to, for example, its sensitivity to corrosion. To increase the applicability of Mg, a process chain for the production of a Mg component with a complete aluminum (Al) cladding is presented. Hydrostatic co-extrusion was used to produce bar-shaped rods with a diameter of 20 mm. The bonding between the materials was verified by ultrasonic testing. Specimens with a length of 79 mm were cut off from the rods and forged by using a two-staged process. After the first step (Heading), the Mg core was removed partially by drilling to ensure a complete enclosing of the remaining Mg during the second forging step (Net shape forging). The geometry of the drilling hole and the heading die design were dimensioned with the Finite Element-simulation software FORGE. Hence, a complete Al-enclosed Mg component was achieved by using the described process chain and forming processes. Microstructural investigations confirm the formation of an intermetallic interface as expected.

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Section: Methodsmentioning

confidence: 99%

Process Chain for the Production of a Bimetal Component from Mg with a Complete Al Cladding

Förster

Binotsch

Awiszus

2018

Metals

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“…By increasing the total cross-section reduction percentage, the wire diameter and thickness of the copper clad decreased. The effects of contact stresses between the die and the wire surface in the plastic region and the resulting unevenness of the plastic strains increased with the die angle [2,59,60]. As the copper clad became thinner, unevenness in the plastic strains in the central region of the copper clad thickness became more similar to that in the near-surface area [50,55,61].…”

Section: Micro-hardnessmentioning

confidence: 99%

“…Metallic multilayer materials, also called multilayer composites [1,2], cladding materials [3], clad composites [4,5], clad plates [6,7], bimetal composites [8,9] , composite rods [10,11] and clad wires [12], have been widely used in many industrial fields such as kitchen utensils [6,[13][14][15], automobile industry [9,14,16,17], aerospace [6,18], shipbuilding [6], biomedical devices [19] and heat exchangers [9,14,16,17]. Various combinations of materials like Al/St [6,9,20], Al/Ti [7,18,21,22], Al/Mg [11], Al/Ag [23], Al/Cu/Al [4,5], Cu/Zn/Al [1], STS/ Al/Cu [13], Cu/Ti [8], Ti/Cu/Ti [24], Ni/Cu [16] and Cu/St [12,25] have been employed to exploit excellent mechanical, physical, and chemical properties of each material in a new unit material.…”

Section: Introductionmentioning

confidence: 99%

An investigation on micro-hardness, micro-structure and ductility of clad layer in copper clad aluminum wire under multi stage–NCWD

Sichani

Rahnama

Raghebi

et al. 2020

Mater. Res. Express

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The copper clad aluminum (CCA) wire was fabricated by roll forming of copper foil around the aluminum wire rode. Non-continuous wire drawing (NCWD) was employed to study the effect of wire drawing parameters on ductility, micro-hardness and microstructure of the copper clad layer. The NCWD process continued without intermediate annealing until cracks were observed on the copper clad layer. The cracks appeared after a 78% reduction in the cross-section. The micro-tensile test was performed on specimens with transverse curvature to determine elongation. A modified correction factor was introduced to correct the effect of curvature size on elongation. The introduced correction factor proportional to the sample characteristics was between 0.7 and 1.4. Moreover, variations in the hardness and microstructure of the copper clad layer were investigated in the base metal and at the welding zone. Before beginning the wire drawing process for the annealed CCA wire with a diameter of 10.1mm and a Cu clad thickness of 0.48mm , the hardness, ductility, UTS and grain size of the clad layer were 87HV, 43%, 103MPa and 80 μm, respectively. At the end of NCWD for 10°a nd the 20% reduction ratio of the die, the diameter of CCA wire reached 4.7mm with a 0.22mm thickness of Cu clad. The hardness, ductility, UTS and grain size of the clad layer were 157HV, 2.9%, 325MPa and 8 μm, respectively.

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“…In view of the superiority of multilayer metal composite sheets, there have been some investigations on the micro-forming process of this kind of materials [25][26][27][28][29]. The formability of multilayer steel sheets was evaluated by Oya et al [25] through tensile, V-bending, and hemming tests.…”

Section: Introductionmentioning

confidence: 99%

“…Karajibani et al [28] investigated the formability of aluminum-steel sheets in the deep drawing process through numerical simulation and experiment. Li et al [29] studied the limit drawing ratio and interface microstructure of three-layer Al/Mg/Al metal sheets in the deep drawing process at different forming temperature, punch speed, and die radius. However, only a few studies have probed into the size effect phenomenon of the formability of multilayer metal composite sheets.…”

Section: Introductionmentioning

confidence: 99%

Feature Size Effect on Formability of Multilayer Metal Composite Sheets under Microscale Laser Flexible Forming

Liu

Zhang

Gau

et al. 2017

Metals

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Abstract:Multilayer metal composite sheets possess superior properties to monolithic metal sheets, and formability is different from monolithic metal sheets. In this research, the feature size effect on formability of multilayer metal composite sheets under microscale laser flexible forming was studied by experiment. Two-layer copper/nickel composite sheets were selected as experimental materials. Five types of micro molds with different diameters were utilized. The formability of materials was evaluated by forming depth, thickness thinning, surface quality, and micro-hardness distribution. The research results showed that the formability of two-layer copper/nickel composite sheets was strongly influenced by feature size. With feature size increasing, the effect of layer stacking sequence on forming depth, thickness thinning ratio, and surface roughness became increasingly larger. However, the normalized forming depth, thickness thinning ratio, surface roughness, and micro-hardness of the formed components under the same layer stacking sequence first increased and then decreased with increasing feature size. The deformation behavior of copper/nickel composite sheets was determined by the external layer. The deformation extent was larger when the copper layer was set as the external layer.

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Deformation behavior and interface microstructure evolution of Al/Mg/Al multilayer composite sheets during deep drawing

Cited by 28 publications

References 46 publications

Process Chain for the Production of a Bimetal Component from Mg with a Complete Al Cladding

Process Chain for the Production of a Bimetal Component from Mg with a Complete Al Cladding

An investigation on micro-hardness, micro-structure and ductility of clad layer in copper clad aluminum wire under multi stage–NCWD

Feature Size Effect on Formability of Multilayer Metal Composite Sheets under Microscale Laser Flexible Forming

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