Predicting forming limit of electrodeposited nickel coating based on practical stress–strain relationship

Zhou, Liming; Tang, Jie; Li, Y.P.; Zhou, Yue

doi:10.1016/j.jmatprotec.2007.12.087

Cited by 6 publications

(5 citation statements)

References 16 publications

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“…Recently, more and more coated and pre-coated metal sheets have been used due to their good wear or corrosion resistance and decorative performance [15] . There are different types of coating and substrate systems, such as hot-dip galvanized/steel or electro-galvanized/steel sheets [16] , nickel coating/steel [17,18] or zinc phosphate coatings/steel sheets [19] , brass/steel two layer sheets [20] , and Fe/A1 laminated composite sheets [21] . The metal sheet with nickel coating (MSNC) is a typical type of material for safeguard in engineering.…”

Section: Fortunately With Development Of Finite Element Methods and mentioning

confidence: 99%

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Prediction of Failure Modes during Deep Drawing of Metal Sheets with Nickel Coating

Zhou

et al. 2013

Journal of Materials Science & Technology

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To optimize the process parameters, it is necessary to exactly predict failure modes during deep drawing of coated metal sheets, where two main failure forms are fracture and wrinkling. In this paper, finite element simulations based on continuous damage mechanics were used to study the failure behavior during a cylindrical deep drawing of metal sheets with nickel coating. It is shown that taking the effect of blank holder force into account, these two failure modes can be predicted. The simulation results are well consistent with that obtained from experiments. KEY WORDS: Failure; Deep drawing; Coated metal sheet; Damage IntroductionDeep drawing is one of the most popular processes for transforming flat metallic sheet blanks into cup or box shaped parts in automotive and aerospace industries. During the process of deep drawing, metallic sheets are subjected to the large irreversible deformation, and two primary failure modes of fracture and wrinkling may appear [1] . Huge design and control efforts have been made to eliminate the occurrence of failure through the proper design of blank [2] , tooling configuration [3] , and the selection of process parameters [4] . Using the traditional trial-and-error approach, one-fourth or more time spends on the design and control procedure [5] . Fortunately, with development of finite element methods and computer technologies, numericalRecently, more and more coated and pre-coated metal sheets have been used due to their good wear or corrosion resistance and decorative performance [15] . There are different types of coating and substrate systems, such as hot-dip galvanized/steel or electro-galvanized/steel sheets [16] , nickel coating/steel [17,18] or zinc phosphate coatings/steel sheets [19] , brass/steel two layer sheets [20] , and Fe/A1 laminated composite sheets [21] . The metal sheet with nickel coating (MSNC) is a typical type of material for safeguard in engineering. This material possesses good corrosion resistance, attractive toughness, and excellent plasticity, which offer potential for advanced structural engineering applications. In addition, the good adhesion between electrodeposited nickel coating and substrate is another advantage in practical applications [22] .During the forming of a coated metal sheet, there is a failure mode like wrinkling [23] or fracture [21] appearing in a single layer sheet, as shown in Fig. 1. Thus, it is important to clarify

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Section: Fortunately With Development Of Finite Element Methods and mentioning

confidence: 99%

“…14, which is along a path from the center to edge of blank. The forming limit curve is extracted from our early studies [17,31] . The points located above the forming limit curve represent fracture of blank with nickel coating.…”

Section: Comparison Of Strain Statusmentioning

confidence: 99%

Prediction of Failure Modes during Deep Drawing of Metal Sheets with Nickel Coating

Zhou

et al. 2013

Journal of Materials Science & Technology

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“…In the sixth stage, the stroke was assumed to be 46.5mm, and the time for its punch to pass the stroke was 25.25ms. To avoid contact oscillation in the computation, a damping coefficient of 10 Nms/mm 4…”

Section: Simulationmentioning

confidence: 99%

“…Nickel coatings have been applied in industries for a wide range of engineering purposes [1][2]. Usage of the coating to form workpiece is a new technology but has increased gently [3][4]. The forming performance of thin coatings are vital since a coating should not crack or flake as the coating sheet deforms [5][6].…”

Section: Introductionmentioning

confidence: 99%

“…The author Zhou studied the impact performance of the electrodeposited nickel coating sheet, and found the coating sheet may surface fracture and interface tearing in the test after impact by a certain amount of energy [9]. The author also studied the forming limit of the coating sheet by using Swift and Hill instability criteria, and found the forming limit of the nickel coating is lower than that of the steel substrate [3][4].…”

Section: Introductionmentioning

confidence: 99%

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Sixth Drawing Process Analysis for Electrodeposited Nickel Coating Battery Shells

Zhou

Huang

2010

AMM

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A finite element method is used to simulate the sixth drawing process of nickel coating battery shells. The material’s mechanical parameters are tested and shown and the forming tool parameters are given. The Belytschko-Wong-Chiang shell elements are used and the kinematical work hardening model is adopted for the sheets. The stress-strain field in the components in the forming processes is obtained. The nickel coating yielded at the drawing process, the effective plastic strain reached 0.3769-0.7524. The coated sheet does not delaminate in the bonding interface during the deformation process. This study can aid the production of coating battery shells.

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Effect of Additive on the Internal Stress in Galvanic Coatings

Dzedzina

Hagarová

2013

International Journal of Electrochemical Science

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Predicting forming limit of electrodeposited nickel coating based on practical stress–strain relationship

Cited by 6 publications

References 16 publications

Prediction of Failure Modes during Deep Drawing of Metal Sheets with Nickel Coating

Prediction of Failure Modes during Deep Drawing of Metal Sheets with Nickel Coating

Sixth Drawing Process Analysis for Electrodeposited Nickel Coating Battery Shells

Effect of Additive on the Internal Stress in Galvanic Coatings

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