Analysis and study of dieless drawing process for rod based on radial direction gradient slab method

Ji, Shijun; Zhao, Dewen; Zhang, Dianhua

doi:10.1007/s00170-018-2282-5

Cited by 3 publications

References 16 publications

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Process window and mechanical properties for thin magnesium- and zinc-wires in dieless wire drawing

Braatz,

Bohlen,

Ben Khalifa

2024

Int J Mater Form

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Due to their biodegradable properties, magnesium- and zinc-based alloys are in the focus of interest for numerous medical applications, e.g. in the form of thin wires. To achieve improved processability by using hot forming and to obtain higher diameter reductions per pass, the dieless wire drawing process is presented in this paper. In order to investigate the processability and the resulting mechanical properties, a selection of magnesium- and zinc-alloys as well as process parameters are chosen, and wire manufacturing is carried out using the dieless drawing process. The resulting process windows and mechanical properties for the selected materials are discussed. It is found that the length of the forming zone is an important indicator for the process window and the cross-sectional area reduction accuracy in the dieless wire drawing process. Furthermore, process parameter variations result in a distinct variation of the mechanical properties of the wires, whereas process temperatures close to the wire extrusion temperature result in mechanical properties similar to the as-extruded wires. Good localization of the deformation is found for forming zones of 25–75 mm length at elevated temperatures and cross-sectional area reductions of up to 30% are possible for Z1 and ZX10 in one drawing step. Graphical Abstract

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Process window and mechanical properties for thin magnesium- and zinc-wires in dieless wire drawing

Braatz,

Bohlen,

Ben Khalifa

2024

Int J Mater Form

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Modeling of metal forming: a review

Dixit

2020

Mechanics of Materials in Modern Manufacturing Methods and Processing Techniques

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Thickness analysis of complex two-step micro-groove on plate during rubber pad forming process

Teng

Sun

Kong

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part C:

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The surface groove structure has numerous functions based on their shapes. In order to make these functions developed, both new shapes and processing forms of the surface structures are being innovated. In this paper, not only the advanced rubber pad forming process is used, but also a new kind of micro-groove with two-step structures is designed. A model based on multi-plane slab method is proposed to analyze the process. According to the stress acting condition, a half of two-step micro-groove structure is divided into seven areas in the width direction. The thickness variation of plate in each area is obtained. When the shape, depth, width, and height ratio of the first and second-step micro-groove are different, the thickness variations of the plate are analyzed. In order to verify the accuracy of the model, both finite element method and pressing experiment are done. Based on the results provided by both finite element method and experiment, the accuracy of results calculated by analytical model is verified.

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Analysis and study of dieless drawing process for rod based on radial direction gradient slab method

Cited by 3 publications

References 16 publications

Process window and mechanical properties for thin magnesium- and zinc-wires in dieless wire drawing

Process window and mechanical properties for thin magnesium- and zinc-wires in dieless wire drawing

Modeling of metal forming: a review

Thickness analysis of complex two-step micro-groove on plate during rubber pad forming process

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