| People | Locations | Statistics |
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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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Ocaña, J. L.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2019The effect of material cyclic deformation properties on residual stress generation by laser shock processingcitations
- 2019Efficacy of laser shock processing of biodegradable Mg and Mg-1Zn alloy on their in vitro corrosion and bacterial responsecitations
- 2017Measured strains correction for eccentric holes in the determination of non-uniform residual stresses by the hole drilling strain gauge methodcitations
- 2016Effect of laser welding parameters on the austenite and martensite phase fractions of NiTicitations
- 2016Effect of laser welding parameters on the austenite and martensite phase fractions of NiTicitations
- 2016Residual stress analysis in laser welded NiTi sheets using synchrotron X-ray diffractioncitations
- 2012Structural characterization by x-ray diffraction of laser welded shape memory alloys
- 2012Effects of processing parameters on mechanical cycling of laser welded SMAs
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article
Effect of laser welding parameters on the austenite and martensite phase fractions of NiTi
Abstract
<p>Although laser welding is probably the most used joining technique for NiTi shape memory alloys there is still a lack of understanding about the effects of laser welding parameters on the microstructural induced changes: in both the heat affected and fusion zones martensite may be present, while the base material is fully austenitic. Synchrotron X-ray diffraction was used for fine probing laser welded NiTi joints. Through Rietveld refinement the martensite and austenite phase fractions were determined and it was observed that the martensite content increases towards the weld centreline. This is related to a change of the local transformation temperatures on these regions, which occurs due to compositional variation in those regions. The martensite phase fraction in the thermally affected regions may have significant implications on functional properties on these joints.</p>