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Craciunescu, Corneliu
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Publications (8/8 displayed)
- 2015Fracture modes during severe plastic deformation of NiTi shape memory alloyscitations
- 2015Surface effects in pulsed laser beam irradiated shape memory alloys
- 2013In situ structural characterization of laser welded NiTi shape memory alloyscitations
- 2012Structural characterization by x-ray diffraction of laser welded shape memory alloys
- 2011Concurrent Effect of Melt-spinning and Severe Plastic Deformation on Shape Memory Alloy Ribbons by Simultaneous XRD and Electrical Resistivity Measurements
- 2011Chapter 7 - Shape memory alloys: existing and emerging applications
- 2011Laser beam interaction with Ni-Mn-Ga ferromagnetic shape memory alloyscitations
- 2011Simultaneous XRD and Electrical Resistivity Measurements of the phase transitions in Co-Ni-Ga ferromagnetic shape memory alloy system
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article
Laser beam interaction with Ni-Mn-Ga ferromagnetic shape memory alloys
Abstract
Laser beam interaction with alloys belonging to the Ni-Mn-Ga ferromagnetic shape memory alloy group has been investigated in order to assess the possibilities to use laser radiation for processing these materials, as for machining, joining or surface modification. The brittleness of Ni-Mn-Ga alloys is, as expected, an important factor and the formation of cracks appears to be difficult to be avoided. The laser interaction leads to vaporization on the impact zone and the changes in the chemical composition have been analyzed with respect to the beam parameters for penetration and surface melting, respectively.