1D atom probe tomography (APT) Precipitate particles Interface ce Inte Probe hole ±20 Depth 250- 200- 150- 100- Al 0 Ni 50- K.Hono /Progress in 7 Materials Science 47 0 200 400 600 800 1000 (2002)621-72912 Total Number of Detected lonsPrecipitate particles Probe hole 1D atom probe tomography (APT) 12 K. Hono /Progress in Materials Science 47 (2002) 621–729