Search Results - "Paolino, D.S."

Modelling size effects for static strength of brittle materials by Pagnoncelli, A.P., Tridello, A., Paolino, D.S.

“…The paper proposes a new model for the assessment of size effects affecting the fracture strength of brittle materials. The proposed model permits to…”
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Ultrasonic tensile test and micro-CT defect analysis on alumina 99.5 by Pagnoncelli, A.P., Tridello, A., Paolino, D.S., Peroni, L.

“…[Display omitted] •Application of novel methodology to find tensile strength of Alumina 99.5%.•Finite element model optimization to calculate tensile…”
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Longevity of class 2 direct restorations in root-filled teeth: A retrospective clinical study by Scotti, N, Eruli, C, Comba, A, Paolino, D.S, Alovisi, M, Pasqualini, D, Berutti, E

“…Abstract Objectives To evaluate retrospectively the longevity of endodontically treated teeth restored with direct resin composite without cusp coverage, with…”
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VHCF response of as‐built SLM AlSi10Mg specimens with large loaded volume by Tridello, A., Biffi, C.A., Fiocchi, J., Bassani, P., Chiandussi, G., Rossetto, M., Tuissi, A., Paolino, D.S.

“…It is well known in the literature that fatigue is particularly critical for Additive Manufacturing (AM) parts, because internal defects originating during the…”
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Duplex S-N fatigue curves: statistical distribution of the transition fatigue life by Paolino, D.S., Tridello, A., Geng, H.S., Chiandussi, G., Rossetto, M.

“…In recent years, very-high-cycle fatigue (VHCF) behavior of metallic materials has become a major point of interest for researchers and industries. The needs…”
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Comparison between dog-bone and Gaussian specimens for size effect evaluation in gigacycle fatigue by Tridello, A., Paolino, D.S., Chiandussi, G., Rossetto, M.

“…Gigacycle fatigue properties of materials are strongly affected by the specimen risk volume (volume of material subjected to a stress amplitude larger than the…”
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Data driven method for predicting the effect of process parameters on the fatigue response of additive manufactured AlSi10Mg parts by Ciampaglia, A, Tridello, A., Paolino, D.S., Berto, F.

“…•Additive Manufactured AlSi10Mg fatigue response estimated with Machine Learning.•A Physics Informed Neural Network (PINN) inspired to Murakami's model is…”
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Very-high-cycle fatigue behavior of Ti-6Al-4V manufactured by selective laser melting: Effect of build orientation by Qian, Guian, Li, Yanfeng, Paolino, D.S., Tridello, A., Berto, F., Hong, Youshi

“…•VHCF strength decreases with building orientation.•Fatigue crack origin is always from an internal defect.•Rough area and fisheye have been observed on…”
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Ultrasonic fully reversed axial tests for exploring the very high cycle fatigue of composite materials by Boursier Niutta, C., Tridello, A., Paolino, D.S.

“…[Display omitted] •Fully reversed ultrasonic test for the VHCF response of carbon fiber woven laminate.•Strain gage calibration to exclude the presence of…”
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Crack initiation behavior and fatigue performance up to very-high-cycle regime of AlSi10Mg fabricated by selective laser melting with two powder sizes by Jian, Z.M., Qian, G.A., Paolino, D.S., Tridello, A., Berto, F., Hong, Y.S.

“…•High-cycle and VHCF behavior of AMed AlSi10Mg with different printing powder sizes investigated.•Specimens with 20 μm powder size has higher fatigue property…”
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Innovative tensile test for brittle materials: Validation on graphite R4550 by Pagnoncelli, A.P., Paolino, D.S., Peroni, L., Tridello, A.

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Additively manufactured lattice structures: An innovative defect-based design methodology against crash impact by Boursier Niutta, C., Paolino, D.S., Tridello, A.

“…•The mechanical behavior of AlSi10Mg lattice structure is characterized by quasi-static and impact tests.•Struts cross section is varied in Finite Element…”
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Size-effect in Very High Cycle Fatigue: A review by Tridello, A., Niutta, C. Boursier, Berto, F., Paolino, D.S.

“…•Size-effect strongly affects the VHCF of materials.•A general rule for size-effect in VHCF could not be found in this research.•Size-effect depends on the…”
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Statistical estimation of fatigue design curves from datasets involving failures from defects by Tridello, A., Boursier Niutta, C., Rossetto, M., Berto, F., Paolino, D.S.

“…•P-S-N design curves in presence of defects are estimated.•The Likelihood Ratio Confidence Bound is used for P-S-N design curves.•The bootstrap approach is…”
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VHCF response of Gaussian SLM AlSi10Mg specimens: Effect of a stress relief heat treatment by Tridello, A., Fiocchi, J., Biffi, C.A., Chiandussi, G., Rossetto, M., Tuissi, A., Paolino, D.S.

“…•Ultrasonic VHCF tests were successfully conducted on AlSi10 SLM Gaussian specimens.•Annealing for two hours at 320 °C is detrimental for the VHCF…”
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Defect-Driven topology optimization for fatigue design of additive manufacturing structures: Application on a real industrial aerospace component by Boursier Niutta, C., Tridello, A., Barletta, G., Gallo, N., Baroni, A., Berto, F., Paolino, D.S.

“…•Defect-driven topology optimization for fatigue design of AM components.•Defect size distribution accounted to limit the maximum principal stress.•Iterative…”
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Effect of microstructure, residual stresses and building orientation on the fatigue response up to 109 cycles of an SLM AlSi10Mg alloy by Tridello, A., Fiocchi, J., Biffi, C.A., Chiandussi, G., Rossetto, M., Tuissi, A., Paolino, D.S.

“…•Microstructure can have a prevalent effect on the VHCF response than defect size.•Influence of residual stresses on the VHCF response increases with the…”
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Design against fatigue failures: Lower bound P-S-N curves estimation and influence of runout data by Tridello, A., Boursier Niutta, C., Berto, F., Tedesco, M.M., Plano, S., Gabellone, D., Paolino, D.S.

“…[Display omitted] •Three methods for the design P-S-N curves have been compared.•The Likelihood Ratio Confidence Intervals are used for the design P-S-N…”
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Size-effects affecting the fatigue response up to 109 cycles (VHCF) of SLM AlSi10Mg specimens produced in horizontal and vertical directions by Tridello, A., Fiocchi, J., Biffi, C.A., Rossetto, M., Tuissi, A., Paolino, D.S.

“…•Size-effect on the VHCF response of SLM AlSi10Mg has been investigated.•AlSi10Mg specimens with increasing risk-volume have been tested.•Size-effect strongly…”
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Estimation of P‐S‐N curves in very‐high‐cycle fatigue: Statistical procedure based on a general crack growth rate model by Paolino, D.S., Tridello, A., Chiandussi, G., Rossetto, M.

“…Extensive experimental investigations show that internal defects play a key role in the very‐high‐cycle fatigue (VHCF) response of metallic materials and that…”
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