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Miscellanea Views: 1,074 Downloads: 516 Vol. 3, No. 9 (2009) pp. pages 13-26

Comportamento a fatica dei giunti saldati in funzione della densità di energia di deformazione locale: influenza dei campi di tensione singolari e non singolari

Paolo Lazzarin

In the Strain Energy Density (SED) approach for fatigue strength assessments of welded joints a well-defined control volume is considered. This volume surrounds the weld root or weld toe, both modelled like sharp (zero radius) V-notches…

10.3221/IGF-ESIS.09.02Copy the DOI link

Details: Comportamento a fatica dei giunti saldati in funzione della densità di energia di deformazione locale: influenza dei campi di tensione singolari e non singolari PDF

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Miscellanea Views: 1,638 Downloads: 507 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 66-70

Joined application of a multiaxial critical plane criterion and a strain energy density criterion in low-cycle fatigue

Andrea Carpinteri, Giovanni Fortese, Camilla Ronchei, Daniela Scorza, Sabrina Vantadori, Filippo Berto

In the present paper, the multiaxial fatigue life assessment of notched structural components is performed by employing a strain-based multiaxial fatigue criterion. Such a criterion, depending on the critical plane concept, is extended by…

10.3221/IGF-ESIS.41.10Copy the DOI link

Details: Joined application of a multiaxial critical plane criterion and a strain energy density criterion in low-cycle fatigue PDF

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Miscellanea Views: 1,094 Downloads: 558 Vol. 8, No. 29 (2014) July 9, 2014 pp. pages 74-84

TWSME of a NiTi strip in free bending conditions: experimental and theoretical approach

A. Fortini, M. Merlin, R. Rizzoni, S. Marfia

This paper deals with the two-way shape memory effect (TWSME) induced on a strip of a nearequiatomic NiTi alloy by means of the shape memory cycling training method. This procedure is based on the deformation in martensite state to reach…

10.3221/IGF-ESIS.29.08Copy the DOI link

Details: TWSME of a NiTi strip in free bending conditions: experimental and theoretical approach PDF

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Miscellanea Views: 2,033 Downloads: 697 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 79-89

Multiaxial fatigue strength of titanium alloys

Filippo Berto, Alberto Campagnolo, Torgeir Welo, Andrea Carpinteri

The present paper investigates the multiaxial fatigue strength of sharp V-notched components made of titanium grade 5 alloy (Ti-6Al-4V). Axisymmetric notched specimens have been tested under combined tension and torsion fatigue loadings…

10.3221/IGF-ESIS.41.12Copy the DOI link

Details: Multiaxial fatigue strength of titanium alloys PDF

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Miscellanea Views: 1,369 Downloads: 505 Vol. 2, No. 3 (2008) pp. pages 11-17

Densità di energia di deformazione locale e resistenza a fatica di giunti saldati di geometria complessa

M. Zappalorto, F. Berto, P. Lazzarin

A recent criterion based on the local strain energy density (SED) averaged over a given control volume is applied to well-documented experimental data taken from the literature, all related to steel welded joints of complex geometry. This…

10.3221/IGF-ESIS.03.02Copy the DOI link

Details: Densità di energia di deformazione locale e resistenza a fatica di giunti saldati di geometria complessa PDF

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Miscellanea Views: 1,030 Downloads: 491 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 299-306

The heat energy dissipated in a control volume to correlate the crack propagation rate in stainless steel specimens

G. Meneghetti, M. Ricotta

Metallic materials dissipate thermal energy when subjected to fatigue. Some of them, due a favorable combination of thermo-physical material properties, exhibit a significant temperature rise, which can be easily measured in-situ by means…

10.3221/IGF-ESIS.41.40Copy the DOI link

Details: The heat energy dissipated in a control volume to correlate the crack propagation rate in stainless steel specimens PDF

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Miscellanea Views: 1,562 Downloads: 525 Vol. 10, No. 38 (2016) October 3, 2016 pp. Pages 215-223

Averaged strain energy density-based synthesis of crack initiation life in notched steel bars under torsional fatigue

Filippo Berto, Alberto Campagnolo, Giovanni Meneghetti, Keisuke Tanaka

The torsional fatigue behaviour of circumferentially notched specimens made of austenitic stainless steel, SUS316L, and carbon steel, SGV410, characterized by different notch root radii has been recently investigated by Tanaka. In that…

10.3221/IGF-ESIS.38.29Copy the DOI link

Details: Averaged strain energy density-based synthesis of crack initiation life in notched steel bars under torsional fatigue PDF

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Miscellanea Views: 1,894 Downloads: 539 Vol. 9, No. 34 (2015) September 28, 2015

Three-dimensional effects on cracked discs and plates under nominal Mode III loading

A. Campagnolo, F. Berto, L. P. Pook

The existence of three-dimensional effects at cracks has been known for many years, but understanding has been limited, and for some situations still is. Understanding improved when the existence of corner point singularities and their…

10.3221/IGF-ESIS.34.20Copy the DOI link

Details: Three-dimensional effects on cracked discs and plates under nominal Mode III loading PDF

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SI: Characterisation of Crack Tip Fields Views: 968 Downloads: 363 Vol. 13, No. 49 (2019) May 24, 2019 pp. 53-64

Averaged strain energy density estimated rapidly from the nodal stresses by FEM for cracks under mixed mode loadings including the T-stress contribution

Giovanni Meneghetti, Alberto Campagnolo, Filippo Berto

The present contribution reviews a recently proposed method to rapidly estimate the averaged SED at the tip of short as well as long cracks under in-plane I+II and long cracks under out-of-plane I+III mixed mode loadings. Short cracks are…

10.3221/IGF-ESIS.49.06Copy the DOI link

Details: Averaged strain energy density estimated rapidly from the nodal stresses by FEM for cracks under mixed mode loadings including the T-stress contribution PDF Visual Abstract

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Structural Integrity and Durability of Structures Views: 766 Downloads: 702 Vol. 15, No. 58 (2021) September 25, 2021 pp. 296-307

The effect of using polypropylene fibers on the durability and fire resistance of concrete

Hassan Suiffi, Anas El Maliki, Fatima Majid, Omar Cherkaoui

In order to study the effect of polypropylene fibers on the durability of cementitious composites, several experimental tests have been carried out in the laboratory. The composite was tested with different volume fractions of…

10.3221/IGF-ESIS.58.22Copy the DOI link

Details: The effect of using polypropylene fibers on the durability and fire resistance of concrete PDF Visual Abstract

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Miscellanea Views: 1,505 Downloads: 498 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 260-268

Review of the Influence of non-singular higher order terms on the stress field of thin welded lap joints and small inclined cracks in plates

F. Berto, M.R. Ayatollahi, S. Vantadori, A. Carpinteri

In stress analysis of cracked plates, alongside the stress intensity factor which quantifies the singular stress component perpendicular to the crack plane, the role played in crack growth by the constant term parallel to the crack plane…

10.3221/IGF-ESIS.41.35Copy the DOI link

Details: Review of the Influence of non-singular higher order terms on the stress field of thin welded lap joints and small inclined cracks in plates PDF

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Miscellanea Views: 1,357 Downloads: 435 Vol. 5, No. 15 (2011) pp. pages 14-20

Esistenza del modo O in piastre tridimensionali con fori circolari ed ellittici soggette a modo II

F. Berto, C. Marangon

On the mode O existence in three-dimensional plates weakened by circular and elliptical holes under mode II loading It is known for long time that in a cracked plate subjected to anti-symmetric plane loading, the Poisson’s effect leads to…

10.3221/IGF-ESIS.15.02Copy the DOI link

Details: Esistenza del modo O in piastre tridimensionali con fori circolari ed ellittici soggette a modo II PDF

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Miscellanea Views: 1,429 Downloads: 452 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 17-24

Three-dimensional effects on cracked components under anti-plane loading

F. Berto, A. Campagnolo

The existence of three-dimensional effects at cracks has been known for many years, but understanding has been limited, and for some situations still is. Understanding improved when the existence of corner point singularities and their…

10.3221/IGF-ESIS.33.03Copy the DOI link

Details: Three-dimensional effects on cracked components under anti-plane loading PDF

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Fracture Views: 883 Downloads: 728 Vol. 17, No. 64 (2023) March 21, 2023 pp. 11-30

The impact of utilizing UHPFRC in beam-column joints with different patterns of transverse reinforcement

Ayman Abdo, Heba A. Mohamed, Talaat Ryad, Sayed Ahmed

This research studies and assesses the possibility of employing UHPFRC in exterior beam-column joints (BCJs). Eight specimens with various concrete material characteristics and steel reinforcing details are cast and examined under repeated…

10.3221/IGF-ESIS.64.02Copy the DOI link

Details: The impact of utilizing UHPFRC in beam-column joints with different patterns of transverse reinforcement PDF Visual Abstract

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Fracture Views: 720 Downloads: 606 Vol. 17, No. 66 (2023) September 27, 2023 pp. 322-338

Fracture Load Estimations for U-Notched and V-Notched 3D Printed PLA and Graphene-Reinforced PLA plates using the ASED Criterion

Marcos Sánchez, Sergio Arrieta, Sergio Cicero

This paper addresses the estimation of critical loads in FFF (Fused Filament Fabrication) printed polymers and composites containing notches. Particularly, the analysis is focused on the fracture load estimations of 39 PLA (polylactic…

10.3221/IGF-ESIS.66.20Copy the DOI link

Details: Fracture Load Estimations for U-Notched and V-Notched 3D Printed PLA and Graphene-Reinforced PLA plates using the ASED Criterion PDF Visual Abstract

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Miscellanea Views: 2,173 Downloads: 740 Vol. 12, No. 43 (2018) December 28, 2017 pp. Pages 1-32

Frontiers of fracture and fatigue: Some recent applications of the local strain energy density

F. Berto, S.M.J. Razavi, J. Torgersen

The phenomenon of brittle fracture occurs too often in various branches of engineering being the reason of unexpected termination of anticipated service lives of an engineering objects. This leads to unfortunate catastrophic structural…

10.3221/IGF-ESIS.43.01Copy the DOI link

Details: Frontiers of fracture and fatigue: Some recent applications of the local strain energy density PDF Audioslides

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