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In addition to the use of special lightweight materials such as aluminum and magnesium, corrosion resistant CrNi steels are increasingly becoming the focus of a wide range of research activities concerning fasteners. Against the background of resource efficiency, the energy-saving potential of a new production route is demonstrated using the example of a process chain for screw manufacturing. The focus is on the extrusion molding of a new type of metastable austenitic cast steel alloy with TRIP (Transformation-Induced Plasticity) and TWIP (Twinning Induced Plasticity) properties in which the cost-intensive element nickel has been substituted by copper.

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Metastable Austenitic Cast Steel with TRIP/TWIP Properties - Resource Efficiency Through Cold Forming

  • 会议论文

  • 发表日期：

    2025年

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  • Nadine Lehnert,
  • Pia Nitzsche,
  • Verena Kräusel,
  • Till Clausmeyer

摘要

In addition to the use of special lightweight materials such as aluminum and magnesium, corrosion resistant CrNi steels are increasingly becoming the focus of a wide range of research activities concerning fasteners. Against the background of resource efficiency, the energy-saving potential of a new production route is demonstrated using the example of a process chain for screw manufacturing. The focus is on the extrusion molding of a new type of metastable austenitic cast steel alloy with TRIP (Transformation-Induced Plasticity) and TWIP (Twinning Induced Plasticity) properties in which the cost-intensive element nickel has been substituted by copper.