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Structural Integrity and Durability of Structures Views: 827 Downloads: 485 Vol. 14, No. 52 (2020) March 22, 2020 pp. 281-298

Optimization design based approach for the determination and minimization of the displacement under tensile load in hybrid composite joint

Sahli Abderahmane, Fouzia Merabbi, Abdelkader Lousdad, Abdelkader Megueni

C Composite materials are most often used for lengthier and thin structures susceptible to buckle. The optimization is often carried out taking into consideration the resistance to buckling and tensile loads for minimum displacement i.e…

10.3221/IGF-ESIS.52.22Copy the DOI link

Details: Optimization design based approach for the determination and minimization of the displacement under tensile load in hybrid composite joint PDF VIsual Abstract

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SI: Steels and Composites for Engineering Structures Views: 567 Downloads: 577 Vol. 16, No. 59 (2022) December 22, 2021 pp. 188-197

DEM investigation on strain localization in a dense periodic granular assembly with high coordination number

Trung-Kien Nguyen, Thanh-Trung Vo, Nhu-Hoang Nguyen

Strain localization is one of key phenomena which have been studied extensively in geomaterials and for different kinds of materials including metals and polymers. This well-known phenomenon appears when structure/material is closed to…

10.3221/IGF-ESIS.59.14Copy the DOI link

Details: DEM investigation on strain localization in a dense periodic granular assembly with high coordination number PDF Visual Abstract

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Miscellanea Views: 903 Downloads: 574 Vol. 8, No. 30 (2014) September 9, 2014 pp. pages 409-416

Failure of cargo aileron’s actuator

G. Zucca, M. Amura, L. Allegrucci, M. Bernabei

During a ferry flight, in a standard operation condition and at cruising level, a military cargo experienced a double hydraulic system failure due to a structural damage of the dual booster actuator. The booster actuator is the main…

10.3221/IGF-ESIS.30.49Copy the DOI link

Details: Failure of cargo aileron’s actuator PDF

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Miscellanea Views: 1,010 Downloads: 574 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 350-359

Finite element modeling and experimental studies on mixed mode-I/III fracture specimens

M. Bozkurt, A. O. Ayhan, M. F. Yaren, S. Siriç

In this study, finite element modeling and experimental studies on a mode-I/III specimen similar to the compact tension specimen are presented. By using bolts, the specimen is attached to two loading apparatus that allow different levels…

10.3221/IGF-ESIS.35.40Copy the DOI link

Details: Finite element modeling and experimental studies on mixed mode-I/III fracture specimens PDF

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Miscellanea Views: 957 Downloads: 531 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 330-339

Investigation of mixed mode - I/II fracture problems - Part 1: computational and experimental analyses

O. Demir, S. Siriç, A. O. Ayhan, H. Lekesiz

In this study, to investigate and understand the nature of fracture behavior properly under in-plane mixed mode (Mode-I/II) loading, three-dimensional fracture analyses and experiments of compact tension shear (CTS) specimen are performed…

10.3221/IGF-ESIS.35.38Copy the DOI link

Details: Investigation of mixed mode - I/II fracture problems - Part 1: computational and experimental analyses PDF

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Miscellanea Views: 1,473 Downloads: 529 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 159-166

Multi-scale approach for the analysis of the stress fields at a contact edge in fretting fatigue conditions with a crack analogue approach

C. Montebello, S. Pommier, K. Demmou, J. Leroux, J. Mériaux

This paper describes a novel method to model the stress gradient effect in fretting-fatigue. The analysis of the mechanical fields in the proximity of the contact edges allows to extract nonlocal intensity factors that take into account…

10.3221/IGF-ESIS.33.20Copy the DOI link

Details: Multi-scale approach for the analysis of the stress fields at a contact edge in fretting fatigue conditions with a crack analogue approach PDF

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Miscellanea Views: 1,016 Downloads: 641 Vol. 13, No. 47 (2019) December 17, 2018 pp. 459-467

Mechanical Behavior Analysis of a Friction Stir Welding (FSW) for Welded Joint Applied to Polymer Materials

Hachellaf kaddour, Meddah Hadj Miloud, Ould Chikh El Bahri, Lounis Abdallah

Welding is a technique of fusion joining the material involving a process of inter-molecular diffusion adhesion. Polymer welding is an assembly method among several known assembly techniques such as gluing. This welding process applies to…

10.3221/IGF-ESIS.47.36Copy the DOI link

Details: Mechanical Behavior Analysis of a Friction Stir Welding (FSW) for Welded Joint Applied to Polymer Materials PDF Visual Abstract

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Miscellanea Views: 931 Downloads: 433 Vol. 8, No. 30 (2014) September 9, 2014 pp. pages 438-445

Integrated assessment procedure for determining the fracture strength of glass components in CSP systems

L. Guerra Rosa, J. Cruz Fernandes, B. Li

The structural integrity and reliability of glass components are key issues for concentrated solar power (CSP) systems. For example, the glass windows in a solar furnace may suffer catastrophic fracture due to thermal and structural…

10.3221/IGF-ESIS.30.53Copy the DOI link

Details: Integrated assessment procedure for determining the fracture strength of glass components in CSP systems PDF

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Miscellanea Views: 844 Downloads: 681 Vol. 10, No. 37 (2016) June 13, 2016 pp. 38-45

Analysis of initial crack path in fretting fatigue

J. Vazquez, S. Astorga, C. Navarro, J. Dominguez

The initial crack path is analysed in a fretting fatigue test with cylindrical contact, where there is a stress gradient and a multiaxial and non-proportional stress state. For this, a cylindrical pad is pressed, with a constant normal…

10.3221/IGF-ESIS.37.06Copy the DOI link

Details: Analysis of initial crack path in fretting fatigue PDF

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Miscellanea Views: 1,095 Downloads: 617 Vol. 8, No. 30 (2014) September 8, 2014 pp. pages 369-374

Application of Digital Image Correlation (DIC) in resonance machines for measuring fatigue crack growth

P. Lorenzino, G. Beretta, A. Navarro

This paper presents a simple experimental procedure that greatly facilitates the use of digital image correlation (DIC) techniques in fatigue test conducted in resonant testing machines, without the need of test interruptions. This is…

10.3221/IGF-ESIS.30.44Copy the DOI link

Details: Application of Digital Image Correlation (DIC) in resonance machines for measuring fatigue crack growth PDF

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Miscellanea Views: 748 Downloads: 550 Vol. 10, No. 36 (2016) March 22, 2016 pp. Pages 69-77

Failure analysis of dissimilar single-lap joints

F.A. Stuparu, D.A. Apostol, D.M. Constantinescu, M. Sandu, S. Sorohan

Single-lap joints made of aluminium and carbon fibre adherends of different thickness are tested to understand better the behaviour of such dissimilar joints. The overlap length and the thickness of the adhesive are kept constant. Local…

10.3221/IGF-ESIS.36.08Copy the DOI link

Details: Failure analysis of dissimilar single-lap joints PDF

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Miscellanea Views: 1,052 Downloads: 713 Vol. 7, No. 26 (2013) September 25, 2013 pp. Pages 92-103

Coupled FEM-DBEM method to assess crack growth in magnet system of Wendelstein 7-X

R. Citarella, M. Lepore, Joris Fellinger, Victor Bykov, Felix Schauer

The fivefold symmetric modular stellarator Wendelstein 7-X (W7-X) is currently under construction in Greifswald, Germany. The superconducting coils of the magnet system are bolted onto a central support ring and interconnected with five…

10.3221/IGF-ESIS.26.10Copy the DOI link

Details: Coupled FEM-DBEM method to assess crack growth in magnet system of Wendelstein 7-X PDF

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Fracture Views: 643 Downloads: 457 Vol. 16, No. 59 (2022) December 22, 2021 pp. 311-325

Effect of the Stress State on the Adhesive Strength of an Epoxy-Bonded Assembly

Sergey Smirnov, Dmitry Konovalov, Irina Veretennikova, Aleksander Pestov, Viktoria Osipova

The paper studies the adhesive strength of aluminum alloy specimens bonded with the use of an epoxy adhesive, under the tensile-shear stress state, depending on the testing temperature. Tension of modified Arcan specimens with load angles…

10.3221/IGF-ESIS.59.21Copy the DOI link

Details: Effect of the Stress State on the Adhesive Strength of an Epoxy-Bonded Assembly PDF Visual Abstract

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Miscellanea Views: 829 Downloads: 483 Vol. 13, No. 48 (2019) March 5, 2019 pp. 491-502

Innovative geometric design improves the resistance of simple metal / metal lap joint

Mehadjia Bezzerrouki

Bonded assemblies are widely used in many industrial sectors mainly in the aerospace field. Many researches in these domains are focused on evaluating the stresses in the adhesive layer in order to achieve maximum strength and long service…

10.3221/IGF-ESIS.48.47Copy the DOI link

Details: Innovative geometric design improves the resistance of simple metal / metal lap joint PDF Visual Abstract

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Miscellanea Views: 549 Downloads: 502 Vol. 13, No. 48 (2019) March 5, 2019 pp. 193-207

Prediction and optimizing residual stress profile induced by cold expansion in aluminum alloys using experimental design

Abdelkader Miloudi, M. Laredj, A. Lousdad, B. Benguediab

Cold expansion by hardening is a common process used in the aerospace industry to extend the fatigue lifetime of assembly holes, through a field of high compressive tangential residual stresses. The understanding and the control of the…

10.3221/IGF-ESIS.48.21Copy the DOI link

Details: Prediction and optimizing residual stress profile induced by cold expansion in aluminum alloys using experimental design PDF Visual Abstract

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Fatigue Views: 558 Downloads: 409 Vol. 15, No. 58 (2021) September 25, 2021 pp. 202-210

Asymptotic response of friction stir welded joint under cyclic loading

Imane Elmeguenni

Fatigue takes a place more and more important in the design of structures, it remains a key point in the mechanical dimensioning of structures. The Friction Stir Welding (FSW) process is regarded today as the most promising alternative to…

10.3221/IGF-ESIS.58.15Copy the DOI link

Details: Asymptotic response of friction stir welded joint under cyclic loading PDF Visual Abstract

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Analytical, Numerical and Physical Models Views: 916 Downloads: 651 Vol. 15, No. 57 (2021) June 22, 2021 pp. 169-181

Optimization of Ultimate Tensile Strength with DOE Approach for Application FSW Process in the Aluminum alloys AA6061-T651 & AA7075 -T651

Mohammed Chaib, Abdelkader Slimane, Sid Ahmed Slimane, Abdelakder Ziadi, Benattou Bouchouicha

As it is imperative to control the materials development processes well, in parallel, it will be necessary to constantly adapt very efficient assembly methods. Friction stir welding makes it much easier for us to fusion the aluminum alloys…

10.3221/IGF-ESIS.57.14Copy the DOI link

Details: Optimization of Ultimate Tensile Strength with DOE Approach for Application FSW Process in the Aluminum alloys AA6061-T651 & AA7075 -T651 PDF Visual Abstract

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Miscellanea Views: 1,349 Downloads: 553 Vol. 12, No. 45 (2018) June 25, 2018 pp. 173-182

Influence of hydrothermal ageing on single lap bonded CFRP joints

Costanzo Bellini, Gianluca Parodo, Wilma Polini, Luca Sorrentino

Nowadays adhesive are widely used in structural applications, in particular for assembly composite materials. In fact, this technique allows to obtain a more uniform load in the joint, to realise a joint with an higher specific strength…

10.3221/IGF-ESIS.45.15Copy the DOI link

Details: Influence of hydrothermal ageing on single lap bonded CFRP joints PDF Visual Abstract

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Fatigue Views: 607 Downloads: 445 Vol. 15, No. 57 (2021) June 22, 2021 pp. 182-194

Numerical modeling of the contact effect on the parameters of cracking in a 2D Fatigue Fretting Model

Mohammed Bentahar, Habib Benzaama, Mahmoudi Noureddin

The objective of this work is to study the effects of contact parameters on the cracking parameters of a specimen and a pad assembly. These parameters have been studied and evaluated by the finite element method analysis in two dimensions…

10.3221/IGF-ESIS.57.15Copy the DOI link

Details: Numerical modeling of the contact effect on the parameters of cracking in a 2D Fatigue Fretting Model PDF Visual Abstract

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Analytical, computational and physical models Views: 801 Downloads: 545 Vol. 18, No. 69 (2024) April 27, 2024

Experimental study and mathematical modelling of face milling forces of high-strength high-viscosity shipbuilding steel

Sergey A. Rusanovskiy, Michael P. Khudyakov, Natalya A. Kapustina

Mechanical processing of hole edges in large-size hull structures of single and double curvature for welding saturation parts into them is an urgent task of shipbuilding. A considerable amount of such machining has to be performed directly…

10.3221/IGF-ESIS.69.10Copy the DOI link

Details: Experimental study and mathematical modelling of face milling forces of high-strength high-viscosity shipbuilding steel PDF Visual Abstract

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Fracture Views: 869 Downloads: 554 Vol. 17, No. 65 (2023) June 22, 2023 pp. 47-58

Experimental and numerical inspection of cracks in ferrule cracking of BK1 cement crusher

Sofiane Chorfi, Fedaoui Kamel, Necib Brahim

This article defines the main actions planned in the procedure of non-destructive testing and analysis of defects in the BK1 industrial mill of the cement plant of the GICA group. One of the subjects attracting the attention of researchers…

10.3221/IGF-ESIS.65.04Copy the DOI link

Details: Experimental and numerical inspection of cracks in ferrule cracking of BK1 cement crusher PDF Visual Abstract

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SI: IGF25 – International Conference 2019 Views: 1,361 Downloads: 1,275 Vol. 14, No. 51 (2020) December 14, 2019 pp. 541-551

Analysis of Printed Circuit Boards strains using finite element analysis and digital image correlation

Liviu Marsavina, Alexandru Falk, Octavian Pop

This paper investigates the use of digital image correlation (DIC) and finite element analysis for strain measurement on Printed Board Circuits (PCBs). Circuit boards (PCBs) are designed to mechanically support and electrically connect an…

10.3221/IGF-ESIS.51.41Copy the DOI link

Details: Analysis of Printed Circuit Boards strains using finite element analysis and digital image correlation PDF Visual Abstract

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