Finite Element Simulation of Temperature Field on Laser Cladding Layers Regulated by Micro-Forging
Micro-plastic deformation was produced on the surface of the laser cladding layer by micro-forging, thus cracks were healed in cladding layer; in order to reduce the thermal stress, preheating the substrate was needed to reduce the temperature gap between cladding layer and substrate. In this paper, temperature field by micro-forging on laser cladding Ni60 layer was simulated on software named DEFORM-2D. Compared the width of cracks, the results showed that reasonable and effective preheating temperature could ensure to reduce or eliminate cracks on laser cladding layer.
Liangchi Zhang, Chunliang Zhang and Zichen Chen
J. Zhou et al., "Finite Element Simulation of Temperature Field on Laser Cladding Layers Regulated by Micro-Forging", Advanced Materials Research, Vols. 328-330, pp. 1417-1420, 2011