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Structural Effect Evaluation of Ballistic Impact on a Shaft by Crystallography

C. Mapelli1, A. Manes1,2, M. Giglio1, D. Mombelli1

Politecnico di Milano, Dipartimento di Meccanica, Via La Masa 1, 20156 Milan, Italy.
Corresponding Author. Email:; Tel: 0039 02 23998630

Structural Durability & Health Monitoring 2013, 9(2), 181-199.


The definition of a complex operative scenario like ballistic damage, that introduces large strains and failure, is a current challenge in the design of critical mechanical components. Aerospace, automotive and manufacturing industries have recently increased their interest in numerical simulations with the long term aim to make these approaches not only reliable enough to reproduce the experimental results but also to provide a trustworthy and effective tool for design. To achieve this aim, the knowledge and calibration of material behaviour is required. Starting from a previous characterization of the constitutive law and ductile failure criterion of Al 6061-T6 aluminium alloy, the present paper evaluates the effects produced by the impact of a bullet on an Al 6061-T6 helicopter transmission rotor shaft. Particular attention is paid to the crystallographic complex texture modifications in microstructural patterns, generated by the ballistic impact. These modifications have been measured on actual damaged specimen, analyzed and compared with results obtained from numerical simulations with the aim to evaluate the effect on the load caring capability of the impacted specimen.


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Mapelli, C., Manes, A., Giglio, M., Mombelli, D. (2013). Structural Effect Evaluation of Ballistic Impact on a Shaft by Crystallography. Structural Durability & Health Monitoring, 9(2), 181–199.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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