The worldwide Metal Powder Industries Federation (MPIF) has published A Collection of Powder Characterization Standards for Metal Additive Manufacturing. There are nine existing test methods relating to metallic powdered feedstock, the document is intended to help “clarify the technology as an aid in conducting business” for designers and manufacturers.
Champions of powder metallurgy for over 50 years
Founded in 1944, in the closing days of WWII, the MPIF is a not for profit organization headquartered in Princeton, NJ. Presently, the federation is formed by the aligning interests of six trade associations including the Metal Injection Molding Association, Refractory Metals Association, and the Association for Metal Additive Manufacturing, whose members include HP, LPW, GE Additive, ExOne, and Desktop Metal.
Overall, the MPIF exists to serve this interests of these industries, helping to keep the workforce informed through a range of resources, events, and training.
It’s Basic Powder Metallurgy Short Course, including a module on additive manufacturing, is tipped to be “the powder metallurgy industry’s longest running course” and has been active for over 50 years.
The powder goes with the flow
The MPIF’s recently published collection contains standards relating to the preparation of powder samples, material purity, flow characterization, particle size, and powder packing. MPIF Standard 02, for example, describes a method of testing for impurities, like oxygen, carbon, and sulfur, in metal powder.
Typically, the primary information learned in this test is the amount of easily-reduced oxides contained in a powder. It can also be show if there is appreciable moisture content in the powder.”
.MPIF
Completion of this test determines factors that could affect alloy quality and overall process control. As another example, MPIF Standard 03 details the use of a standardized funnel to determine the flow rate of a metal powder.
A Collection of Powder Characterization Standards for Metal Additive Manufacturing can be bought and downloaded from the MPIF here.
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Source: 3D Printing Industry, Beau Jackson Metal Powder Industries Federation publishes standards for addititve manufacturing https://3dprintingindustry.com/news/metal-powder-industries-federation-publishes-standards-for-additive-manufacturing-147460/ published on Jan21, 2019, and was re-edited by João Andrade on Jan22, 2019;
