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Post-Doc Position Fracture Mechanics in Sheet metal Forming (Mondragon Unibertsitatea)

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POST-DOC POSITION FOR NECKING AND DUCTILE FRACTURE CRITERION DEVELOPMENT

DESCRIPTION

Accurate modelling of sheet metal necking and ductile fracture is a key factor for the reliable numerical analysis of the stamping process feasibility of lightweight metals, such as ultra high strength steels and aluminium alloys.

Mondragon University offers a post-doctoral position for further improvement of existing state of the art criteria for the evaluation of non-linear strain path necking and the ductile fracture evaluation methods considering the stress state of the material.

The focus will be to develop/adjust necking and fracture criteria at laboratory level and to implement these criteria in a tool-shop stamping different skin and reinforcement components.

The post-doc position is supported by industrial partners and a global industrial project for stamping tooling optimization.

AVAILABLE EQUIPMENT

Material testing

- Universal testing machines (INSTRON and servo-hydraulic MTS)

- Biaxial testing machine (yield criteria, 250 Kn each axis)

- Pure shear and tension-compression tester (kinematic hardening)

- Stack compression tester (4 LVDTs to monitor lateral displacement)

- Bulge tester (4000 bar, diameter 250 mm)

- Torsion tester (bulk, room and high temperature)

- ISO standard Marciniak and Nakajima tester (nonlinear paths possible combining both testers and D45 cylindrical Nakajima tester)

- ISO standard Hole expansion tester (in-situ monitoring technique implemented)

- GOM ARAMIS 5M hardware

Tribological testing

- Strip drawing tester

- Duncal Shabel tester

- ForgeFix hammer peening head

- SENSOFAR PLμ optical 3D surface profiler + ALICONA Infinite Focus IG4

Metal forming facilities

- 4000 kN FAGOR servo-mechanical press

- 2000 kN GAMEI Hidraulic Press

- 1500 kN GAMEI Mechanical Press

CONDITIONS

The position is opened for one year (2nd year contract extension possible)

Gross salary of 39.862 €/year

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Post-Doc fractura.pdf274.26 KB
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