Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Standard

Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires. / Braatz, Merle; Bohlen, Jan; Khalifa, Noomane Ben.
Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25 th International Conference on Material Forming (ESAFORM 2022). ed. / Gabriela Vincze; Frédéric Barlat. Baech: Trans Tech Publications Ltd, 2022. p. 389-400 (Key Engineering Materials; Vol. 926 ).

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Harvard

Braatz, M, Bohlen, J & Khalifa, NB 2022, Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires. in G Vincze & F Barlat (eds), Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25 th International Conference on Material Forming (ESAFORM 2022). Key Engineering Materials, vol. 926 , Trans Tech Publications Ltd, Baech, pp. 389-400, Conference - 25th International Conference on Material Forming, ESAFORM 2022, Braga, Portugal, 27.04.22. https://doi.org/10.4028/p-lm7s8y

APA

Braatz, M., Bohlen, J., & Khalifa, N. B. (2022). Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires. In G. Vincze, & F. Barlat (Eds.), Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25 th International Conference on Material Forming (ESAFORM 2022) (pp. 389-400). (Key Engineering Materials; Vol. 926 ). Trans Tech Publications Ltd. https://doi.org/10.4028/p-lm7s8y

Vancouver

Braatz M, Bohlen J, Khalifa NB. Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires. In Vincze G, Barlat F, editors, Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25 th International Conference on Material Forming (ESAFORM 2022). Baech: Trans Tech Publications Ltd. 2022. p. 389-400. (Key Engineering Materials). doi: 10.4028/p-lm7s8y

Bibtex

@inbook{8f07161d0781473882e4c01b60fba5e3,
title = "Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires",
abstract = "Magnesium (Mg)-based wires are in the focus of interest for numerous applications like micro-forming technologies or medical engineering. Manufacturing thin Mg-based wires is widely realized by applying a conventional multiple pass cold wire drawing process. This requires a complex manufacturing schedule of multiple passes with intermediate heat treatments to overcome work hardening, because of the cold forming process. Especially Mg and its alloys are known for their rather low formability at room temperature associated with the hexagonal close-packed lattice structure. The dieless drawing process uses local heating to initialize a localized plastic zone under an external tensile load to achieve higher reductions in diameter in a single wire drawing pass. It can therefore present a solution for a more efficient warm manufacturing process of Mg-based wires. In this study, the stability of the steady state material flow during a dieless wire drawing process and its reproducibility was investigated. For this purpose, a variation of process parameters was selected and wire manufacturing was carried out using magnesium alloy AZ31. A single and double dieless drawing process was applied. Additionally, a conventional cold wire drawing process including a die with the same forming schedule was executed as a benchmark experiment. The results of this study show, that the dieless drawing process is not only a stable process after reaching the steady state, but it is also a reproducible and accurately adjustable process. Moreover, the dieless drawing process maintains the property profile of the starting material to a large extend.",
keywords = "cold wire drawing, dieless wire drawing, hot forming, magnesium wire, process stability, Engineering",
author = "Merle Braatz and Jan Bohlen and Khalifa, {Noomane Ben}",
note = "Funding Information: The authors would like to thank Mrs. Maria Nienaber for her help with the extrusion of the wires and Mr. Chee Hans Ho for his help with carrying out wire drawing experiments and surface measurements. Furthermore, the authors would like to thank Mr. Axel Dieckmann for his valuable comments and his prior work with the design of the experimental setup. Publisher Copyright: {\textcopyright} 2022 The Author(s). Published by Trans Tech Publications Ltd, Switzerland.; Conference - 25th International Conference on Material Forming, ESAFORM 2022 ; Conference date: 27-04-2022 Through 29-04-2022",
year = "2022",
doi = "10.4028/p-lm7s8y",
language = "English",
isbn = "978-3-0357-1759-4 ",
series = "Key Engineering Materials",
publisher = "Trans Tech Publications Ltd",
pages = "389--400",
editor = "Gabriela Vincze and Fr{\'e}d{\'e}ric Barlat",
booktitle = "Achievements and Trends in Material Forming",
address = "Switzerland",
url = "https://esaform2022.org/",

}

RIS

TY - CHAP

T1 - Process Stability and Reproducibility of the Dieless Drawing Process for AZ31 Magnesium Wires

AU - Braatz, Merle

AU - Bohlen, Jan

AU - Khalifa, Noomane Ben

N1 - Conference code: 25

PY - 2022

Y1 - 2022

N2 - Magnesium (Mg)-based wires are in the focus of interest for numerous applications like micro-forming technologies or medical engineering. Manufacturing thin Mg-based wires is widely realized by applying a conventional multiple pass cold wire drawing process. This requires a complex manufacturing schedule of multiple passes with intermediate heat treatments to overcome work hardening, because of the cold forming process. Especially Mg and its alloys are known for their rather low formability at room temperature associated with the hexagonal close-packed lattice structure. The dieless drawing process uses local heating to initialize a localized plastic zone under an external tensile load to achieve higher reductions in diameter in a single wire drawing pass. It can therefore present a solution for a more efficient warm manufacturing process of Mg-based wires. In this study, the stability of the steady state material flow during a dieless wire drawing process and its reproducibility was investigated. For this purpose, a variation of process parameters was selected and wire manufacturing was carried out using magnesium alloy AZ31. A single and double dieless drawing process was applied. Additionally, a conventional cold wire drawing process including a die with the same forming schedule was executed as a benchmark experiment. The results of this study show, that the dieless drawing process is not only a stable process after reaching the steady state, but it is also a reproducible and accurately adjustable process. Moreover, the dieless drawing process maintains the property profile of the starting material to a large extend.

AB - Magnesium (Mg)-based wires are in the focus of interest for numerous applications like micro-forming technologies or medical engineering. Manufacturing thin Mg-based wires is widely realized by applying a conventional multiple pass cold wire drawing process. This requires a complex manufacturing schedule of multiple passes with intermediate heat treatments to overcome work hardening, because of the cold forming process. Especially Mg and its alloys are known for their rather low formability at room temperature associated with the hexagonal close-packed lattice structure. The dieless drawing process uses local heating to initialize a localized plastic zone under an external tensile load to achieve higher reductions in diameter in a single wire drawing pass. It can therefore present a solution for a more efficient warm manufacturing process of Mg-based wires. In this study, the stability of the steady state material flow during a dieless wire drawing process and its reproducibility was investigated. For this purpose, a variation of process parameters was selected and wire manufacturing was carried out using magnesium alloy AZ31. A single and double dieless drawing process was applied. Additionally, a conventional cold wire drawing process including a die with the same forming schedule was executed as a benchmark experiment. The results of this study show, that the dieless drawing process is not only a stable process after reaching the steady state, but it is also a reproducible and accurately adjustable process. Moreover, the dieless drawing process maintains the property profile of the starting material to a large extend.

KW - cold wire drawing

KW - dieless wire drawing

KW - hot forming

KW - magnesium wire

KW - process stability

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85140438624&partnerID=8YFLogxK

UR - https://main.scientific.net/book/achievements-and-trends-in-material-forming/978-3-0357-3750-9/ebook

U2 - 10.4028/p-lm7s8y

DO - 10.4028/p-lm7s8y

M3 - Article in conference proceedings

AN - SCOPUS:85140438624

SN - 978-3-0357-1759-4

T3 - Key Engineering Materials

SP - 389

EP - 400

BT - Achievements and Trends in Material Forming

A2 - Vincze, Gabriela

A2 - Barlat, Frédéric

PB - Trans Tech Publications Ltd

CY - Baech

T2 - Conference - 25th International Conference on Material Forming, ESAFORM 2022

Y2 - 27 April 2022 through 29 April 2022

ER -

DOI