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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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De Castro, Pmst
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Topics
Publications (18/18 displayed)
- 2015J resistance curve behaviour of S355NL structural steel using the unloading compliance techniquecitations
- 2014X-ray Diffraction Residual Stress Measurements for Assessment of Rolling Contact Fatigue Behaviour of Railway Steelscitations
- 2013A Contribution to the Mechanical Characterization of Cu ETP Used in the Electric Motors Industry
- 2013Fatigue Crack Propagation Behavior of The Welded Steel of a Railway Bridgecitations
- 2013Rolling contact fatigue tests on wheel and rail steels
- 2012FATIGUE CRACK GROWTH TESTS IN RAILWAY WHEEL AND RAIL STEELS
- 2012Fatigue Crack Propagation Behavior in Railway Steels
- 2012Fatigue assessment of a bowstring railway bridge
- 2012Fatigue and fracture behaviour of friction stir welded aluminium-lithium 2195citations
- 2012Fatigue crack growth in railway steelcitations
- 2010Fibre Bragg grating sensors for monitoring the metal inert gas and friction stir welding processescitations
- 2009FRICTION STIR WELDING OF T-JOINTS IN DISSIMILAR ALUMINIUM ALLOYScitations
- 2008Fatigue crack growth in friction stir welds of 6082-T6 and 6061-T6 aluminium alloys: A comparisoncitations
- 2007Assessment of the fatigue behaviour of friction stir welded joints: Aluminium alloy 6082-T6
- 2007Fatigue behaviour of FSW and MIG weldments for two aluminium alloyscitations
- 2007Temperature field acquisition during gas metal arc welding using thermocouples, thermography and fibre Bragg grating sensorscitations
- 2006Fatigue behaviour of riveted steel lap jointscitations
- 2001Fracture analysis of forks of a heavy duty lift truckcitations
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article
J resistance curve behaviour of S355NL structural steel using the unloading compliance technique
Abstract
Room temperature toughness measurements performed on 32 mm thick flat surface and side grooved C(T) specimens of the S355NL structural steel are presented. As expected, stable ductile crack growth was observed during the tests and toughness characterization based on resistance curve (R curve) concepts was therefore used. The unloading compliance technique was chosen to estimate stable crack growth during the tests, and accurate load line displacement measurements were performed using a clip gage. Stress intensity factor and compliance calibrations as a function of crack length/width ratio, published by ASTM, were used to derive the J R-curve. The R-curve for the flat surface specimen is higher than for the grooved specimen. The estimated J at initiation of stable crack propagation is also higher for the flat surface specimen, although difference between the flat and grooved specimens is very small. Generally, a drop in fracture toughness was observed for the grooved specimens, as expected given its higher triaxiality. As an additional comparison of the two types of specimens, the maximum load J0,max value was obtained using the actuator displacement record. The maximum load measurements proved to be rather similar in both types of specimen.