Feasibility of high-strength 7xxx aluminium sheet components through warm forming

Nikolay Sotirov (Vortragende:r), Peter Simon, Dirk Uffelmann, Carsten Melzer, Philipp Dörner

Publikation: Beitrag in Buch oder TagungsbandVortrag mit Beitrag in Tagungsband


High-strength 7xxx-series (AlZnMgCu) aluminium alloys are already widely used in aircraft construction and offer a great potential for further light weighting in automotive body-in-white, but formability at ambient temperature is severely limited without the employment of pre- and post- forming heat treatment processes. A promising approach to improve the formability of the 7xxx aluminium alloys is to utilize warm forming at process temperatures below the material´s recrystallisation temperature. FEM simulations verified by warm drawing experiments of high-strength aluminium sheet 7075-T6 show the feasibility of forming complex deep drawn components. Using a cross-die, the effect of the temperature on the drawing depth and the mechanical properties is investigated. Initial resistance spot welding (RSW) experiments of this difficult to weld alloy are also promising.
TitelIDDRG 2011
PublikationsstatusVeröffentlicht - 2011
VeranstaltungIDDRG 2011 -
Dauer: 5 Juni 20118 Juni 2011


KonferenzIDDRG 2011

Research Field

  • Nicht definiert


  • AlZnMgCu
  • 7075-T6 alloy
  • warm forming
  • forming simulation
  • resistance spot welding


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