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Your search keyword '"Di Martino, Fabio"' showing total 2 results
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2 results on '"Di Martino, Fabio"'

1. Microstructural characterisation of continuously cooled steels and steel welds

Author

Di Martino, Fabio

Subjects
669.95142
Abstract

Fe-Mn-Si-C steels are currently the most widely used type of steel for structural, building and automotive applications. Additionally, these steels also find important applications within welded structures, due to their low cost and versatility with regard to chemical composition and heat treatments because of the possibility to tailor their final mechanical properties. The production of a specific component made out of such steels generally involves continuous cooling heat treatments. Therefore, the way in which an optimum balance is achieved between the heat treatment parameters, the alloy composition and the desired microstructure for a specific application, is a vital step in the investigation of Fe-Mn-Si-C steels.

Published
2006

2. Toward an effective use of laser-driven very high energy electrons for radiotherapy: Feasibility assessment of multi-field and intensity modulation irradiation schemes.

Author

Labate, Luca, Labate, Luca, Palla, Daniele, Panetta, Daniele, Avella, Federico, Baffigi, Federica, Brandi, Fernando, Di Martino, Fabio, Fulgentini, Lorenzo, Giulietti, Antonio, Köster, Petra, Terzani, Davide, Tomassini, Paolo, Traino, Claudio, Gizzi, Leonida A, Labate, Luca, Labate, Luca, Palla, Daniele, Panetta, Daniele, Avella, Federico, Baffigi, Federica, Brandi, Fernando, Di Martino, Fabio, Fulgentini, Lorenzo, Giulietti, Antonio, Köster, Petra, Terzani, Davide, Tomassini, Paolo, Traino, Claudio, and Gizzi, Leonida A

Abstract

Radiotherapy with very high energy electrons has been investigated for a couple of decades as an effective approach to improve dose distribution compared to conventional photon-based radiotherapy, with the recent intriguing potential of high dose-rate irradiation. Its practical application to treatment has been hindered by the lack of hospital-scale accelerators. High-gradient laser-plasma accelerators (LPA) have been proposed as a possible platform, but no experiments so far have explored the feasibility of a clinical use of this concept. We show the results of an experimental study aimed at assessing dose deposition for deep seated tumours using advanced irradiation schemes with an existing LPA source. Measurements show control of localized dose deposition and modulation, suitable to target a volume at depths in the range from 5 to 10 cm with mm resolution. The dose delivered to the target was up to 1.6 Gy, delivered with few hundreds of shots, limited by secondary components of the LPA accelerator. Measurements suggest that therapeutic doses within localized volumes can already be obtained with existing LPA technology, calling for dedicated pre-clinical studies.

Published
2020

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