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Tom Joad

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Tom Joad

Re: investorhub123 post# 3758

Wednesday, 04/13/2016 1:56:37 PM

Wednesday, April 13, 2016 1:56:37 PM

Post# of 6624
It's not just the size but also the shape of the powder particles. Spherical particles lead to fewer voids but most voids are caused by [the low percentage of] hollow particles in the Arcam powder. Spherical voids do distribute stress better than voids with sharp corners but it's still best to remove any voids with HIP or complex die-forge methods.

www.sciencedirect.com/science/article/pii/S104458031500039X

There's a paper out there somewhere showing fewer defects with the small spherical particles that Arcam produces. Couldn't find it just now.
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