TEM Study of High-Temperature Precipitation of Delta Phase in Inconel 718 Alloy

Table 2

Structural parameters for 𝛿 phase at 25°C: Pmmn (no. 59) with 𝑎=5.114 Å, 𝑏=4.244 Å, and 𝑐=4.538 Å [13].

	Wyckoff	𝑥	𝑌	𝑧	Occupancy
Ni (1)	2a	0	0	0.3182	1
Ni (2)	4f	0.7494	0	0.8414	1
Nb (1)	2b	0	1/2	0.6513	1