On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling

Rui F. V. Sampaio; João P. M.  Pragana; Ivo M.F.  Bragança; Carlos M.A.  Silva; Chris V. Nielsen; Paulo A.F. Martins

doi:10.21741/9781644902417-29

On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling

Rui F. V. Sampaio, João P. M. Pragana, Ivo M.F. Bragança, Carlos M.A. Silva, Chris V. Nielsen, Paulo A.F. Martins

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

This paper and its second part introduce a new formability test based on double-action radial extrusion to characterize material formability in the bulk-to-sheet material flow transitions that are commonly found in metal forming. This first part draws from the presentation of a multidirectional tool, which was designed to convert the vertical press stroke into horizontal movement of the extrusion punches towards each other, to aspects of experimental strain determination, fractography and finite element analysis. The methodology and tooling that are introduced here pave the way for subsequent testing and modelling of the different modes of fracture in three-dimensional to plane-stress evolutions, typical of bulk-to-sheet material flow transitions, by means of the new proposed test.

Original language	English
Title of host publication	Sheet Metal 2023 : 20th International Conference on Sheet Metal
Editors	Marion Merklein, Hinnerk Hagenah, Joost R. Duflou, Livan Fratini, Paulo Martins, Gerson Meschut, Fabrizio Micari
Volume	25
Publisher	Materials Research Forum LLC
Publication date	2023
Pages	229-236
Article number	29
DOIs	https://doi.org/10.21741/9781644902417-29
Publication status	Published - 2023
Event	20th International Conference on Sheet Metal - Erlangen-Nürnberg, Germany Duration: 2 Apr 2023 → 5 Apr 2023 Conference number: 20

Conference

Conference	20th International Conference on Sheet Metal
Number	20
Country/Territory	Germany
City	Erlangen-Nürnberg
Period	02/04/2023 → 05/04/2023

Keywords

Forming
Failure
Stress State Transitions

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Sampaio, R. F. V., Pragana, J. P. M., Bragança, I. M. F., Silva, C. M. A., Nielsen, C. V., & Martins, P. A. F. (2023). On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling. In M. Merklein, H. Hagenah, J. R. Duflou, L. Fratini, P. Martins, G. Meschut, & F. Micari (Eds.), Sheet Metal 2023: 20th International Conference on Sheet Metal (Vol. 25, pp. 229-236). Article 29 Materials Research Forum LLC. https://doi.org/10.21741/9781644902417-29

Sampaio, Rui F. V. ; Pragana, João P. M. ; Bragança, Ivo M.F. et al. / On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling. Sheet Metal 2023: 20th International Conference on Sheet Metal. editor / Marion Merklein ; Hinnerk Hagenah ; Joost R. Duflou ; Livan Fratini ; Paulo Martins ; Gerson Meschut ; Fabrizio Micari . Vol. 25 Materials Research Forum LLC, 2023. pp. 229-236

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title = "On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling",

abstract = "This paper and its second part introduce a new formability test based on double-action radial extrusion to characterize material formability in the bulk-to-sheet material flow transitions that are commonly found in metal forming. This first part draws from the presentation of a multidirectional tool, which was designed to convert the vertical press stroke into horizontal movement of the extrusion punches towards each other, to aspects of experimental strain determination, fractography and finite element analysis. The methodology and tooling that are introduced here pave the way for subsequent testing and modelling of the different modes of fracture in three-dimensional to plane-stress evolutions, typical of bulk-to-sheet material flow transitions, by means of the new proposed test.",

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doi = "10.21741/9781644902417-29",

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Sampaio, RFV, Pragana, JPM, Bragança, IMF, Silva, CMA, Nielsen, CV & Martins, PAF 2023, On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling. in M Merklein, H Hagenah, JR Duflou, L Fratini, P Martins, G Meschut & F Micari (eds), Sheet Metal 2023: 20th International Conference on Sheet Metal. vol. 25, 29, Materials Research Forum LLC, pp. 229-236, 20th International Conference on Sheet Metal, Erlangen-Nürnberg, Germany, 02/04/2023. https://doi.org/10.21741/9781644902417-29

On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling. / Sampaio, Rui F. V.; Pragana, João P. M.; Bragança, Ivo M.F. et al.
Sheet Metal 2023: 20th International Conference on Sheet Metal. ed. / Marion Merklein; Hinnerk Hagenah; Joost R. Duflou; Livan Fratini; Paulo Martins; Gerson Meschut; Fabrizio Micari . Vol. 25 Materials Research Forum LLC, 2023. p. 229-236 29.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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AB - This paper and its second part introduce a new formability test based on double-action radial extrusion to characterize material formability in the bulk-to-sheet material flow transitions that are commonly found in metal forming. This first part draws from the presentation of a multidirectional tool, which was designed to convert the vertical press stroke into horizontal movement of the extrusion punches towards each other, to aspects of experimental strain determination, fractography and finite element analysis. The methodology and tooling that are introduced here pave the way for subsequent testing and modelling of the different modes of fracture in three-dimensional to plane-stress evolutions, typical of bulk-to-sheet material flow transitions, by means of the new proposed test.

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Sampaio RFV, Pragana JPM, Bragança IMF, Silva CMA, Nielsen CV, Martins PAF. On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling. In Merklein M, Hagenah H, Duflou JR, Fratini L, Martins P, Meschut G, Micari F, editors, Sheet Metal 2023: 20th International Conference on Sheet Metal. Vol. 25. Materials Research Forum LLC. 2023. p. 229-236. 29 doi: 10.21741/9781644902417-29

On the utilization of radial extrusion to characterize fracture forming limits. Part I – methodology and tooling

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