Quasicrystal–polymer composites for selective laser sintering technology

Selective laser sintering (SLS) process is a layered manufacturing technique used for building functional parts from 3D computer-aided design. Materials compatible with SLS usually consist of polymer-based composites reinforced by metal or ceramic particles. We have investigated a new composite powder compatible with the SLS technology and containing AlCuFeB quasicrystalline filler particles. The processed parts show reduced friction and improved wear resistance compared to other composites used in SLS technology. In addition, the functional parts contain almost no porosity and are leak-tight allowing their direct use in many fluidic applications.