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  1. Article

    Open Access

    Numerical Evaluation of Advanced Laser Control Strategies Influence on Residual Stresses for Laser Powder Bed Fusion Systems

    Process-dependent residual stresses are one of the main burdens to a widespread adoption of laser powder bed fusion technology in industry. Residual stresses are directly influenced by process parameters, such...

    Massimo Carraturo, Brandon Lane, Ho Yeung… in Integrating Materials and Manufacturing In… (2020)

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  2. No Access

    Chapter and Conference Paper

    Mechanical Characterization of Cement-Based Mortar Used in 3DCP Including Early-Age Creep Effects

    Digital fabrication techniques combined with suitable cementitious materials have successfully led to the implementation of innovative manufacturing processes for concrete-like products. However, although sign...

    Lorenzo Casagrande, Laura Esposito… in Second RILEM International Conference on C… (2020)

  3. No Access

    Article

    Accurate Prediction of Melt Pool Shapes in Laser Powder Bed Fusion by the Non-Linear Temperature Equation Including Phase Changes

    In this contribution, we validate a physical model based on a transient temperature equation (including latent heat), w.r.t. the experimental set AMB2018-02 provided within the additive manufacturing benchmark...

    Stefan Kollmannsberger, Massimo Carraturo… in Integrating Materials and Manufacturing In… (2019)

  4. No Access

    Article

    Computational Analysis of Advanced Shape-Memory Alloy Devices Through a Robust Modeling Framework

    Shape-memory alloys (SMA) provide significant advantages in various industrial fields, but their manufacturing and commercialization are currently hindered. This is attributed mainly to the poor knowledge of m...

    Giulia Scalet, Michele Conti, Ferdinando Auricchio in Shape Memory and Superelasticity (2017)

  5. No Access

    Article

    A Numerical/Experimental Study of Nitinol Actuator Springs

    This study deals with the numerical modeling, simulation and experimental analysis of shape-memory alloy (SMA) helicoidal springs. An experimental campaign is conducted on both SMA straight wires and helicoida...

    Ferdinando Auricchio, Giulia Scalet… in Journal of Materials Engineering and Perfo… (2014)

  6. No Access

    Article

    Theoretical and Experimental Study of the Shape Memory Effect of Beams in Bending Conditions

    In this study, the shape memory effect of SMA beams under complex stress conditions is studied by means of a finite element model. The 1D version of a well-established SMA constitutive model is utilized in the...

    Ferdinando Auricchio, Simone Morganti… in Journal of Materials Engineering and Perfo… (2011)

  7. No Access

    Article

    Theoretical and Experimental Investigation on SMA Superelastic Springs

    The mechanical behavior of superelastic springs is investigated in this study. The goal is to evaluate the device response and to exploit the material superelastic behavior, main concerns being material and ge...

    Gabriele Attanasi, Ferdinando Auricchio… in Journal of Materials Engineering and Perfo… (2011)

  8. No Access

    Article

    SMA Numerical Modeling Versus Experimental Results: Parameter Identification and Model Prediction Capabilities

    In this work, we briefly review the one-dimensional version of a well-known phenomenological shape memory alloy (SMA) constitutive model able to represent the main macroscopic SMA macroscopic behaviors (i.e., ...

    Ferdinando Auricchio, Alberto Coda… in Journal of Materials Engineering and Perfo… (2009)

  9. No Access

    Article

    Nitinol Embolic Protection Filters: Design Investigation by Finite Element Analysis

    The widespread acceptance of carotid artery stenting (CAS) to treat carotid artery stenosis and its effectiveness compared with surgical counterpart, carotid endarterectomy (CEA), is still a matter of debate. ...

    Michele Conti, Matthieu De Beule… in Journal of Materials Engineering and Perfo… (2009)

  10. No Access

    Article

    Eigenstresses in Anisotropic Films

    A closed-form solution for a macroscopically homogeneous, fully anisotropie layer subject to non-uniform through-thickness eigenstrain is presented, and employed in determining the three-dimensional deformatio...

    Ferdinando Auricchio, Mauro Ferrari in MRS Online Proceedings Library (1991)