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A forming process for the increase of α′-martensite growth-rate under mechanical load

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Abstract

At the Institute of Metal Forming and Metal-Forming Machines (IFUM), metastable austenitic sheet metal components are examined concerning the use of their base materials as sensors. By measuring the martensite content at sensitized reference points of these components, it is possible to draw conclusions about their load history. The local sensitizations are done by defined elongations and residual stresses using a forming process. This results in a component-inherent sensor acting as a damage control element, e.g. by registering and storing strains during the component’s life cycle.

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Acknowledgments

The authors would like to express their gratitude to the German Research Foundation (Deutsche Forschungsgesellschaft, DFG) for funding the research project presented in this paper. The authors would also like to thank Prof. Dr.-Ing. Fr.-W. Bach at the Institute of Materials Science of the Leibniz Universität Hannover for the cooperation within the research project.

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Authors and Affiliations

  1. Institute of Metal Forming and Metal-Forming Machines, Leibniz Universität Hannover, An der Universität 2, 30823, Garbsen, Germany

    Bernd-Arno Behrens, Katrin Weilandt, Jan Jocker & Marcus Kamp

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  1. Bernd-Arno Behrens
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  2. Katrin Weilandt
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  3. Jan Jocker
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  4. Marcus Kamp
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Correspondence to Katrin Weilandt.

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Behrens, BA., Weilandt, K., Jocker, J. et al. A forming process for the increase of α′-martensite growth-rate under mechanical load. Prod. Eng. Res. Devel. 3, 57–62 (2009). https://doi.org/10.1007/s11740-009-0149-1

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  • DOI: https://doi.org/10.1007/s11740-009-0149-1

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