Author:Makoana, Nkutwane W; Moller, Heinrich; Louw, Danie; Yadroitsev, IDate:Sep 2017High laser powers of up to 1500W were used to additively manufacture 17-4PH samples. Porosity was measured using the image analysis technique, and all samples are fairly dense with a maximum of 0.42 percent porosity.Read more