Browsing Research publications by Author "Penta, Francesco"

Now showing items 1-13 of 13

    • About the Impact Behaviour of Railway Fastening Systems 

      Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Rosiello, Vincenzo (Newswood Limited, 2015-07)
      On the basis of what established by the Product Technical Specifications - Specifiche Tecniche di Prodotto RFI (STP) - regarding the performance requirements that fastening systems between sleepers and rails should meet ...

    • Analysis method of crack propagation data by genetic algorithms 

      Grasso, Marzio; Penta, Francesco; Pinto, Paolo; Pucillo, Giovanni Pio (TRANS TECH PUBLICATIONS LTD, 2010-11)
      A practice for analyzing some raw data from fatigue crack growth tests, carried out on specimens obtained from a railway component (wheel), is presented. Despite the data sample is small, it allows to identify the material ...

    • Composite Material Design for Rail Vehicle Innovative Lightweight Components 

      Grasso, Marzio; Gallone, Antonello; Genovese, Andrea; Macera, Luigi; Penta, Francesco; Pucillo, Giovanni Pio; Strano, Salvatore (Newswood Limited, 2015)
      This paper describes the redesign activities of lightweight rail vehicle component using advanced composite materials. The activities have been carried out in the framework of the SCILLA-M National Project funded by Ministry ...

    • A decomposable freight wagon frame suitable for bimodal transport systems that uses a fast locking mechanism 

      De Iorio, Antonio; Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Chioccola, Francesco (2014-05)
      This paper describes a novel connection system which allows fast, safe and reliable coupling and uncoupling of two sections of a freight wagon body as part of a bimodal transport system. The connection system allows the ...

    • Design of Composite Sandwich Shock Absorber Mounting for an Innovative Rail Vehicle End 

      Grasso, Marzio; Lenzi, Luca; Genovese, Andrea; Macera, Luigi; Penta, Francesco; Pucillo, Giovanni Pio; Strano, Salvatore (Newswood Limited, 2015-07)
      This paper describes the design of composite shock absorber mounting for an innovative rail vehicle end in which structural, crash and aerodynamic functionalities are realized in a single integrated element. An experimental ...

    • Fatigue crack growth simulation in railway axles 

      De Iorio, Antonio; Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio (TRANS TECH PUBLICATIONS LTD, 2011-09)
      In order to carry out the railway axle design according to the "Damage Tolerance" philosophy, reliable crack-growth models for these kind of components are necessary. Indeed, damage tolerance principles have received more ...

    • Low Velocity Impact Response of Composite Panels for Aeronautical Applications 

      Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Ricci, Fabrizio; Rosiello, Vincenzo (Newswood Limited, 2015)
      The present experimental work analyses the impact behaviour of thermosetting composite materials for aeronautic applications. The main goal of the experimental activity was to identify the energy level in correspondence ...

    • On the ballast-sleeper interaction in the longitudinal and lateral directions 

      De Iorio, Antonio; Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Rossi, Stefano; Testa, Mario (2018-02-01)
      In service, railway tracks must withstand the transverse and longitudinal forces that are caused by running vehicles and thermal loads. The mechanical design that adopts any of the track models available in the technical ...

    • On the mechanical characterization of materials by Arcan-type specimens 

      Pucillo, Giovanni Pio; Grasso, Marzio; Penta, Francesco; Pinto, Paolo (2011-05)
      The simple circular notched specimen was originally proposed by Arcan to characterize the elastic properties of fibre-reinforced composites. Unfortunately, its optimized geometry does not allow to measure with reasonable ...

    • Structural Optimization of a Total Replacement Hip Prosthesis 

      Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Rosiello, Vincenzo; Piscopo, Antonio (Newswood Limited, 2015)
      Planted articular joints replace bone articulation allowing the transfer of loads and articular displacements. However, hip prosthesis cannot guarantee the same dynamic friction coefficients of natural joints. The present ...

    • Transverse strength of railway tracks : Part 1. planning and experimental setup 

      De Iorio, Antonio; Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Pinto, Paolo; Rossi, Stefano; Testa, Mario; Farneti, Giuseppe (2014-10-01)
      Several studies have been carried out until now by various Research Agencies and Railway Administrations to quantify the effects of the track-bed geometrical characteristics on the transverse strength of the track. ...

    • Transverse strength of railway tracks : Part 2. Test system for ballast resistance in line measurement 

      De Iorio, Antonio; Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Rosiello, Vincenzo (2014-10-01)
      In the present paper, testing methods currently adopted to measure the in service ballast resistance are synthetically reviewed to identify the main sources of uncertainty influencing the test loads and to define an ...

    • Transverse strength of railway tracks : Part 3. Multiple scenarios test field 

      De Iorio, Antonio; Grasso, Marzio; Penta, Francesco; Pucillo, Giovanni Pio; Rosiello, Vincenzo; Lisi, Stefano; Rossi, Stefano; Testa, Mario (2014-10-01)
      In the present paper the design and construction choices of a test field for the ballast lateral resistance measurement, in order to produce data useful for the development of a numerical model able to simulate the service ...