Good to see NASA pushing in this area. Here's a good paper from their division responsible. Pages 24-27 discuss how there work relates to America Makes and NIST programs. The summary of the paper would suggest the industry need to push on exactly the kind of work Sigma is focusing on. Suggesting the industry needs such focus and the results will be game changing.
"You can develop an NDE build record of your part that tells you what the properties of that part are, layer by layer." Well, yes, you can--just go and buy a copy of PrintRite3D® with the INSPECT™ and SENSORPAK™ modules and install them on the AM machine of your choice, and there you go!