ASTM proposes new AM powder contamination standard
ASTM International’s Additive Manufacturing technologies committee is currently developing WK80171, a proposed standard that will offer guidance on selecting suitable techniques for detecting, quantifying, and classifying contamination that may be present within powder feedstock used in Laser Beam Powder Bed Fusion (PBF-LB) Additive Manufacturing.
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According to ASTM member Aneta Chrostek-Mroz, an advanced research engineer at Manufacturing Technology Center, WK80171 will also describe how the chosen detection approach can be implemented to successfully assess contamination in metal powder feedstock.
“The standard will enable powder manufacturers and Additive Manufacturing machine users to identify appropriate techniques for detecting and quantifying different types of contamination, classify these contaminants, and perform contamination assessment of both unused and re-used powders,” explained Chrostek-Mroz.
The committee evaluated optical microscopy, automated scanning electron microscopy, X-ray computed tomography, X-ray fluorescent spectroscopy to assess their performance and suitability for detecting different types and levels of contamination present within assorted metal powder feedstock used in Additive Manufacturing.
ASTM welcomes participation in the development of its standards by its members.
