International Journal of Structural Integrity: Volume 4 Issue 1

Design evaluation of a follower cam with variable valve lift mechanism

G. Dritsas, P.G. Nikolakopoulos, C.A. Papadopoulos

The purpose of this paper is to present a methodology for design, analysis and evaluation of cam‐follower systems used for the control of valve movement in internal combustion…

FE simulation of vehicle leaf spring behavior under driving manoeuvres

Georgios Savaidis, Michail Malikoutsakis, Alexander Savaidis

The purpose of this paper is to develop a FE based modeling procedure for describing the mechanical behavior of high‐performance leaf springs made of high‐strength steels under…

A study on time dependent properties of aluminum alloy by nanoindentation technique

Costas A. Charitidis, Dimitrios A. Dragatogiannis, Elias P. Koumoulos

Lightweight alloys are of major concern, due to their applicability, in transport and industry applications. The purpose of this paper is to perform a comprehensive analysis of…

Failure analysis of a copper tube in an industrial refrigeration unit: a case history

George Pantazopoulos, Sylvia Zormalia, Athanasios Vazdirvanidis

The purpose of this paper is to identify a failure mechanism of an industrial tube and recommend corrective actions to improve the reliability of the entire unit.

Corrosion and environmental degradation of bonded composite repair

G. Gkikas, A. Paipetis, A. Lekatou, N.M. Barkoula, D. Sioulas, B. Canflanca, S. Florez

Bonded composite patches are ideal for aircraft structural repair as they offer enhanced specific properties, case‐tailored performance and excellent corrosion resistance. Bonding…

Finite element analysis, stress‐strain distribution and size effects rise during nanoindentation of welded aluminum alloy

Costas A. Charitidis, Dimitrios A. Dragatogiannis

The purpose of this paper is to investigate the use of nanoindentation with a Berkovich indenter as a method of extracting equivalent stress‐strain curves for the base metal and…

Root cause analysis of surface and internal defects of micro‐alloyed S355 heavy plates

Spyros A. Papaefthymiou

Steel heavy plates, grade S355, micro‐alloyed with Vanadium‐V and/or Niobium‐Nb plus Titanium‐Ti in thicknesses from 5 to 60 mm, 200.000‐350.000 t/y, are produced according to EN…

Mechanical behaviour of AA 2024 friction stir overlap welds

Michael Papadopoulos, Sergio Tavares, Marco Pacchione, Spiros Pantelakis

To investigate the effect of different welding configurations on the mechanical properties of friction stir welding (FSW) overlap joints. The application of FSW in an overlap…

A Raman study of 8‐Hydroxyquinoline release from loaded TiO2 nanocontainer

G.C. Kordas, A.C. Balaskas, I.A. Kartsonakis, E.K. Efthimiadou

The purpose of this paper is to study the release of corrosion inhibitor from nanocontainers and to show that it can be released due to reaction with the substrate induced by…

Influence of TiO2 nanocontainers on hybrid organic‐inorganic coatings for corrosion protection of magnesium alloy

Ioannis A. Kartsonakis, Andronikos C. Balaskas, George C. Kordas

The purpose of this paper is to focus on the corrosion protection of magnesium alloy ZK10 by applying via the dip‐coating process an hybrid organic‐inorganic coating that contains…

Determination of onset of plasticity (yielding) and comparison of local mechanical properties of friction stir welded aluminum alloys using the micro‐ and nano‐indentation techniques

Elias P. Koumoulos, Costas A. Charitidis, Nikolaos M. Daniolos, Dimitrios I. Pantelis

The purpose of this paper is to determine if the nanoindentation technique is a reliable method and whether it can be used to measure the surface hardness (H) in friction stir…

Guest editorial

Spiros Pantelakis