6533b7cffe1ef96bd125860c

RESEARCH PRODUCT

Optimisation of refractory coatings realised with cored wire addition using a high-power diode laser

Bernard VannesFlorent MouresEugen CicalaSorin IgnatPierre SallamandDominique Grevey

subject

0209 industrial biotechnologyMaterials science[ PHYS.COND.CM-MS ] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]02 engineering and technologyWeldingengineering.materiallaw.invention020901 industrial engineering & automationCoatinglawMaterials ChemistryComposite materialDiodeHigh power lasersSurfaces and InterfacesGeneral ChemistryFactorial experiment021001 nanoscience & nanotechnologyCondensed Matter PhysicsLaserCladding (fiber optics)Surfaces Coatings and FilmsPower diodeengineering[PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]0210 nano-technology

description

Laser; Cladding; Refractory alloys; Factorial experiments; International audience; The objective or our research was to obtain refractory alloys using the high-power diode laser (HPDL) coating technique. After optimisation using factorial experiments, two different cladding regimes were clearly distinguished. It was also shown that a very narrow transition zone exists between the two regimes, and, inside this zone, clad layers having a satisfactory compromise between the response functions (surface aspect and cavity presence) were obtained. The main objective of our study, namely, the control of the operating parameters (geometrical and kinematical) to realise adequate coatings, without cavities and having a good surface aspect (for a thickness >1 mm), was also achieved using factorial experiments.

https://hal.archives-ouvertes.fr/hal-00453303