Comparsion of the joining zone development of hybrid semi-finished products after different extrusion processes

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Autoren

  • Armin Piwek
  • Johanna Uhe
  • Julius Peddinghaus
  • Ingo Ross
  • Bernd Arno Behrens
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Details

OriginalspracheEnglisch
Titel des Sammelwerks31st International Conference on Metallurgy and Materials, METAL 2022
Seiten205-210
Seitenumfang6
ISBN (elektronisch)9788088365068
PublikationsstatusVeröffentlicht - 30 Juni 2022
Veranstaltung31st International Conference on Metallurgy and Materials, METAL 2022 - Brno, Tschechische Republik
Dauer: 18 Mai 202219 Mai 2022

Publikationsreihe

NameMETAL Conference Proeedings
ISSN (Print)2694-9296

Abstract

The use of hybrid semi-finished products made of aluminium and steel enables the production of components with locally adapted properties, i.e. high strength and wear-resistance with reduced weight. In the scope of this work, different impact extrusion processes for the forming of friction-welded hybrid semi-finished products consisting of steel (20MnCr5) and aluminium (EN AW-6082) were developed and experimentally implemented. The resulting material flows were intended to enable different joining zone geometries as well as to evaluate the influence of a thermo-mechanical treatment during the impact extrusion process on the quality of the joining zone. For this purpose, a full-forward extrusion, cup-backward extrusion, combined cup-backward-full-forward extrusion and a hollow-forward extrusion process were investigated. The evaluation of the resulting component quality was carried out based on metallographic images, which provide microstructural information about the forming-related influence on the friction welded joining zone. Based on the characteristic values determined, a correlation between the reproducibility and quality of the joining zone properties and the type of impact extrusion process is deduced. The backward extrusion processes have proven to be the best processes in terms of influencing the joining zone geometry. Further, the effect of forward extrusion showed no significant influence on the joining zone geometry, even resulting in a reduction of the joining zone formation in the combined cup-backward-full-forward extrusion process.

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Comparsion of the joining zone development of hybrid semi-finished products after different extrusion processes. / Piwek, Armin; Uhe, Johanna; Peddinghaus, Julius et al.
31st International Conference on Metallurgy and Materials, METAL 2022. 2022. S. 205-210 (METAL Conference Proeedings).

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Piwek, A, Uhe, J, Peddinghaus, J, Ross, I & Behrens, BA 2022, Comparsion of the joining zone development of hybrid semi-finished products after different extrusion processes. in 31st International Conference on Metallurgy and Materials, METAL 2022. METAL Conference Proeedings, S. 205-210, 31st International Conference on Metallurgy and Materials, METAL 2022, Brno, Tschechische Republik, 18 Mai 2022. https://doi.org/10.37904/metal.2022.4398
Piwek, A., Uhe, J., Peddinghaus, J., Ross, I., & Behrens, B. A. (2022). Comparsion of the joining zone development of hybrid semi-finished products after different extrusion processes. In 31st International Conference on Metallurgy and Materials, METAL 2022 (S. 205-210). (METAL Conference Proeedings). https://doi.org/10.37904/metal.2022.4398
Piwek A, Uhe J, Peddinghaus J, Ross I, Behrens BA. Comparsion of the joining zone development of hybrid semi-finished products after different extrusion processes. in 31st International Conference on Metallurgy and Materials, METAL 2022. 2022. S. 205-210. (METAL Conference Proeedings). doi: 10.37904/metal.2022.4398
Piwek, Armin ; Uhe, Johanna ; Peddinghaus, Julius et al. / Comparsion of the joining zone development of hybrid semi-finished products after different extrusion processes. 31st International Conference on Metallurgy and Materials, METAL 2022. 2022. S. 205-210 (METAL Conference Proeedings).
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abstract = "The use of hybrid semi-finished products made of aluminium and steel enables the production of components with locally adapted properties, i.e. high strength and wear-resistance with reduced weight. In the scope of this work, different impact extrusion processes for the forming of friction-welded hybrid semi-finished products consisting of steel (20MnCr5) and aluminium (EN AW-6082) were developed and experimentally implemented. The resulting material flows were intended to enable different joining zone geometries as well as to evaluate the influence of a thermo-mechanical treatment during the impact extrusion process on the quality of the joining zone. For this purpose, a full-forward extrusion, cup-backward extrusion, combined cup-backward-full-forward extrusion and a hollow-forward extrusion process were investigated. The evaluation of the resulting component quality was carried out based on metallographic images, which provide microstructural information about the forming-related influence on the friction welded joining zone. Based on the characteristic values determined, a correlation between the reproducibility and quality of the joining zone properties and the type of impact extrusion process is deduced. The backward extrusion processes have proven to be the best processes in terms of influencing the joining zone geometry. Further, the effect of forward extrusion showed no significant influence on the joining zone geometry, even resulting in a reduction of the joining zone formation in the combined cup-backward-full-forward extrusion process.",
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AU - Piwek, Armin

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AU - Peddinghaus, Julius

AU - Ross, Ingo

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N1 - Funding Information: The results presented in this paper were obtained within the Collaborative Research Centre 1153 "Process chain to produce hybrid high performance components with Tailored Forming" funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) - SFB 1153 TP B3 - 252662854. The authors thank the DFG for the financial support of this project.

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N2 - The use of hybrid semi-finished products made of aluminium and steel enables the production of components with locally adapted properties, i.e. high strength and wear-resistance with reduced weight. In the scope of this work, different impact extrusion processes for the forming of friction-welded hybrid semi-finished products consisting of steel (20MnCr5) and aluminium (EN AW-6082) were developed and experimentally implemented. The resulting material flows were intended to enable different joining zone geometries as well as to evaluate the influence of a thermo-mechanical treatment during the impact extrusion process on the quality of the joining zone. For this purpose, a full-forward extrusion, cup-backward extrusion, combined cup-backward-full-forward extrusion and a hollow-forward extrusion process were investigated. The evaluation of the resulting component quality was carried out based on metallographic images, which provide microstructural information about the forming-related influence on the friction welded joining zone. Based on the characteristic values determined, a correlation between the reproducibility and quality of the joining zone properties and the type of impact extrusion process is deduced. The backward extrusion processes have proven to be the best processes in terms of influencing the joining zone geometry. Further, the effect of forward extrusion showed no significant influence on the joining zone geometry, even resulting in a reduction of the joining zone formation in the combined cup-backward-full-forward extrusion process.

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