TY JOUR TI High-Energy Computed Tomography for Additive Manufacturing of Critical Metal Products KW digital technologies KW 3D printers KW geometric errors KW porosity KW post-processing JO NDT World AU Tsyganov, S.. AU Vainberg, E.. AU Vainberg, I.. AU Sidorin, V.. PY 2015 IS 18 PB LLC SVEN