Effects of laser shock processing on bioabsorbable Mg-1Zn and AZ31 alloys

One of the main effects sought in laser shock processing (LSP) [1] is the generation of relatively deep compression residual stresses into metallic components to improve their fatigue life. In addition, other surface related properties (topography, wettability, corrosion¿), relevant for the intended application, can be affected. This paper shows preliminary results of an ongoing investigation about the effects of LSP on mechanical and corrosion properties of two Mg alloys suitable for the fabrication of biodegradable and bioabsorbable devices.