Friction-stir processing of Al–12%Si alloys: grain refinement, numerical simulation, microstructure evolution, dry sliding wear performance and hardness measurementMorteza Shamanian, Hossein Mostaan, Mehdi Safari and Mohammad Sefidkar DezfooliMetall. Res. Technol., 114 2 (2017) 213DOI: https://doi.org/10.1051/metal/2016066