PBF Powder Flowability Testing: Why Different Methods Disagree and What the Results Mean

Hausner ratio, shear cell, and dynamic flow energy results on the same PBF powder lot rarely agree exactly. That disagreement is a decision input, not proof that a method or lab got it wrong.

SAE AIR7359: Why Some Metal Powder Feedstock Properties Are Left Out of AM Specifications

AIR7359 explains why AMS-AM metal powder feedstock specifications leave certain properties uncontrolled, citing limited applicability and immature standardized inspection methods, and what that gap means for aerospace AM qualification programs.

Go to Top