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AMST ’99 pp 393–400Cite as

Hardness Tests on Damaged Metals

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Part of the book series: International Centre for Mechanical Sciences ((CISM,volume 406))

Abstract

The development of cracks inside the material is usually investigated on the entire production by means of non destructive inspection techniques. Unfortunately, the progress of ductile damage cannot be observed with these techniques because of the small dimensions of the single cavity. In the present study we propose to employ a micro-hardness test to induce the presence and evolution of damaging inside the material. The influence of damage on the material hardness was assessed by Finite Elements numerical experiments. The study shows that changes in material porosity give rise to sensible changes in the hardness value.

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References

  1. Romano D., Antonelli A., Peuto A.M., Pettorruso S.; 1997, Evoluzione delle porosità dei fili di acciaio nella trafilatura multipla, Atti XXVI Cony. Naz. MAS, Catania: 39–46.

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  2. Gurson, A. L.; 1977, Continuum Theory of Ductile Rupture by Void Nucleation and Growth: Part I - Yield Criteria and Flow Rules for Porous Ductile Media, Journ. Eng. Materials and Technology, 99: 2–15.

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  3. Tvergaard, V.; 1982, Ductile Fracture by Cavity Nucleation between Larger Voids, J. Mech. Phys. Solids, 30: 265–286.

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  5. Romano D., Vicario M.G.; 1997, Studio dell’attendibilità delle stime in esperimenti numerici non lineari agli elementi finiti, Atti Cony. SIS, Torino: 325–332.

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Author information

Authors and Affiliations

  1. olytechnic of Turin, Turin, Italy

    D. Antonelli & D. Romano

Authors
  1. D. Antonelli
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  2. D. Romano
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Editor information

Editors and Affiliations

  1. University of Udine, Italy

    Elso Kuljanic

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© 1999 Springer-Verlag Wien

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Cite this paper

Antonelli, D., Romano, D. (1999). Hardness Tests on Damaged Metals. In: Kuljanic, E. (eds) AMST ’99. International Centre for Mechanical Sciences, vol 406. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2508-3_43

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  • DOI: https://doi.org/10.1007/978-3-7091-2508-3_43

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-83148-9

  • Online ISBN: 978-3-7091-2508-3

  • eBook Packages: Springer Book Archive

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