Arcam AB fka AMAVF

[mauser96]

"necked powder"
for a description see
http://www.azom.com/article.aspx?ArticleID=1726

I think a low Youngs modulus would mean it can be stretched and return to original shape- a rubber band would have a low Youngs modulus number. But not much toughness ?

The "necking" or something similar, where particles are fused together but not completely melted may be more common in laser sintering where powder granules are often incompletely fused i,\.

Sintering- A process in which the particles of a powder are welded together by pressure and heating to a temperature below its melting point Dictionary definition.

With EBM the powder can be heated to above the melting point, something hard to do with the limited energy available to lasers .At least with high melting temperature metals.It's easy to melt plastics.

Any physicists out there feel free to correct me if needed.