ISO 13947 pdf download Metallic powders — Test method for the determination of non-metallic inclusions in metal powders using a powder-forged specimen The maximum Feret’s diameter is used to determine inclusion size.A Feret’s diameter is a caliper diameter, asillustrated in Figure 1. The fragmented nature of some inclusions means that their size determination is somewhat complicated.Theconcept of near-neighbour separation shall...