Search Results - "Umberto Galietti"

A Comparison among Different Ways to Investigate Composite Materials with Lock-In Thermography: The Multi-Frequency Approach by D’Accardi, Ester, Palumbo, Davide, Galietti, Umberto

“…The main goal of non-destructive testing is the detection of defects early enough to avoid catastrophic failure with particular interest for the inspection of…”
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A new rapid thermographic method to assess the fatigue limit in GFRP composites by Palumbo, Davide, De Finis, Rosa, Demelio, Pompeo Giuseppe, Galietti, Umberto

“…Conventional procedures and methods used for obtaining the fatigue performance of materials represent a critical aspect of mechanical characterization because…”
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Evaluation of damage in composites by using thermoelastic stress analysis: A promising technique to assess the stiffness degradation by De Finis, Rosa, Palumbo, Davide, Galietti, Umberto

“…The stiffness degradation represents one of the most interesting damage phenomena used for describing the fatigue behaviour of composites. A critical aspect of…”
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On the relationship between mechanical energy rate and heat dissipated rate during fatigue for a C45 steel depending on stress ratio by De Finis, Rosa, Palumbo, Davide, Galietti, Umberto

“…This work deals with the analysis in the frequency domain of the temperature signal and mechanical energy rate of C45 steel under two different fatigue…”
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Experimental Procedure to Assess Depth and Size of Defects with Pulsed Thermography by D’Accardi, Ester, Palumbo, Davide, Galietti, Umberto

“…Subsurface defects can be detected by the pulsed thermography (PT) technique analysing the raw thermal data with the application of different post-processing…”
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Advanced Insulation Materials for Facades: Analyzing Detachments Using Numerical Simulations and Infrared Thermography by Perilli, Stefano, Palumbo, Davide, Sfarra, Stefano, Galietti, Umberto

“…In building construction, it is very important to reduce energy consumption and provide thermal comfort. In this regard, defects in insulating panels can…”
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Study of damage evolution in composite materials based on the Thermoelastic Phase Analysis (TPA) method by Palumbo, Davide, De Finis, Rosa, Demelio, Giuseppe Pompeo, Galietti, Umberto

“…Standards and conventional procedures used for analysing fatigue damage in composite materials involve high experimental campaign costs due to time-consuming…”
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A Quantitative Comparison Among Different Algorithms for Defects Detection on Aluminum with the Pulsed Thermography Technique by D’Accardi, Ester, Palumbo, Davide, Tamborrino, Rosanna, Galietti, Umberto

“…Pulsed thermography is commonly used as a non-destructive technique for evaluating defects within materials and components. In the last few years, many…”
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Optimization and Characterization of the Friction Stir Welded Sheets of AA 5754-H111: Monitoring of the Quality of Joints with Thermographic Techniques by De Filippis, Luigi Alberto Ciro, Serio, Livia Maria, Palumbo, Davide, De Finis, Rosa, Galietti, Umberto

“…Friction Stir Welding (FSW) is a solid-state welding process, based on frictional and stirring phenomena, that offers many advantages with respect to the…”
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Detection and Characterization of Short Fatigue Cracks by Conduction Thermography by D’accardi, Ester, Palumbo, Davide, de Finis, Rosa, Galietti, Umberto

“…Stimulated thermography is a very common non-destructive testing (NDT) technique used for a wide range of applications and materials. An external excitation…”
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Thermal Methods for Damage Evaluation of Metallic Materials by Galietti, Umberto, Palumbo, Davide

“…Thermal methods represent a set of techniques and procedures based on the investigation of the thermal phenomena related to damage during static or fatigue…”
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Laser Thermography: An Investigation of Test Parameters on Detection and Quantitative Assessment in a Finite Crack by Giuseppe Danilo Addante, Giuseppe Dell’Avvocato, Francesco Bisceglia, Ester D’Accardi, Davide Palumbo, Umberto Galietti

“…This preliminary study investigates the influence of test parameters on the detection and quantitative assessment of cracks using laser thermography. Cracks…”
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A Thermoelastic Stress Analysis General Model: Study of the Influence of Biaxial Residual Stress on Aluminium and Titanium by Di Carolo, Francesca, De Finis, Rosa, Palumbo, Davide, Galietti, Umberto

“…All the studies on the thermoelastic behaviour of materials, including the revised higher order theory on the thermoelastic effect, are based on several…”
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Exploring the Correlation between Thermal Diffusivity and Ultimate Tensile Strength in Usibor® 1500 through Laser Thermography by Giuseppe Dell’Avvocato, Paolo Bison, Giovanni Ferrarini, Maria Emanuela Palmieri, Davide Palumbo, Luigi Tricarico, Umberto Galietti

“…This paper presents a non-destructive laser thermography (LT) procedure for estimating Usibor® 1500 ultimate tensile strength (UTS) based on thermal…”
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Mechanical Behaviour of Stainless Steels under Dynamic Loading: An Investigation with Thermal Methods by De Finis, Rosa, Palumbo, Davide, Galietti, Umberto

“…Stainless steels are the most exploited materials due to their high mechanical strength and versatility in producing different alloys. Although there is great…”
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Effect of Friction Stir Process Parameters on the Mechanical and Thermal Behavior of 5754-H111 Aluminum Plates by Serio, Livia Maria, Palumbo, Davide, De Filippis, Luigi Alberto Ciro, Galietti, Umberto, Ludovico, Antonio Domenico

“…A study of the Friction Stir Welding (FSW) process was carried out in order to evaluate the influence of process parameters on the mechanical properties of…”
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Correlation between Thermal Behaviour of AA5754-H111 during Fatigue Loading and Fatigue Strength at Fixed Number of Cycles by De Finis, Rosa, Palumbo, Davide, Serio, Livia Maria, De Filippis, Luigi A C, Galietti, Umberto

“…The characterization of the fatigue behaviour of aluminium alloys is still capturing the attention of researchers. As it is well known in literature, for…”
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Characterizing Subsurface Rectangular Tilted Heat Sources Using Inductive Thermography by Mendioroz, Arantza, Fuggiano, Lorenzo, Venegas, Pablo, de Ocáriz, Idurre Sáez, Galietti, Umberto, Salazar, Agustín

“…In this study, we characterize the lateral dimension, depth, and inclination of buried tilted rectangular heat sources from time domain temperature data…”
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Advances in Material Wide Range Temperature Determination by Dual-Color Emissivity Free Methodology in Long-Mid-near Infrared Ranges at Non-stationary Conditions by De Cesare, Mario, Savino, Luigi, Del Vecchio, Antonio, Di Carolo, Francesca, Musto, Marilena, Galietti, Umberto, Rotondo, Giuseppe

“…Dual color emissivity free methodology by thermography allows to obtain 2D (two-dimensional) temperature maps by using local grey body hypotheses and…”
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Comparison in the transient regime of four lock-in thermography algorithms by means of synthetic and experimental data on CFRP by Matarrese, Tiziana, Palumbo, Davide, Galietti, Umberto

“…Lock-in thermography is considered a well-established technique for investigating fiber-reinforced polymer composite (FRP) materials. These materials are…”
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