Neutron Imaging for Laser Selective Melting
Inconel Hardware with Internal Passages

Dr. Terri L. Tramel (MSFC), Joseph K. Norwood (MSFC), Dr. Hassina Bilheux (ORNL)

Specifications

Wavelength

1 .8 < X < 6 A |

Wavelength

resolution

A)A-10%

rtghtest

spatial

resolution

50 microns
(FOV: 4x4
cnf) and 1 00
microns (FOV:
6x6cm^

Sample-

to-detector

distance

5m

Detector

CCDs

Detector
chp size

2048x2048

pixels

Detector

resolution

5.2 x 5.2 (FOV:
4x4 cm-') and
13.4 x 13.4
(FOV: 6x6
cm 2 ) microns*
pixels

Detector
frame rate

1 fps (1 to 5
min required
per image)

Future Work:

Generate highest resolution (5 um)
3D reconstruction and overlay the
reconstruction onto build model for
absolute metrology comparison

0.4” block stacked on 0.6” block (Inconel 718) in the CG-1D
Neutron Imaging Prototype Facility at Oak Ridge National
Laboratory (ORNL) High Flux Isotope Reactor (HFIR)