Study on the Phase Equilibria of the Fe-Al-Ni-O System at 750°C

Table 4

Constitution of the spinel and matrix phases coexisting in the Fe-Al-Ni-O system at 750°C.

No.	Substrate				Oxides
	Al	Fe	Ni	Matrix phases	O	Al	Fe	Ni	Oxide phases
B1	9.8	88.1	2.1	α	57.3	29.4	12.7	0.6	Spinel
B2	8.8	86.6	4.6	α	58.3	27.8	12.1	1.8	Spinel
	36.9	39.8	23.3	β
B3	7.5	86.4	6.1	α	57.0	27.8	11.1	4.1	Spinel
	31.2	31.1	37.7	β
	8.2	76.1	15.7	γ
B4	6.8	68.6	24.6	γ	56.0	26.9	10.9	6.2	Spinel
B5	5.5	58.9	35.6	γ	56.5	25.6	10.7	7.2	Spinel
B6	3.7	52.1	44.2	γ	54.9	26.1	10.0	9.0	Spinel
B7	2.8	38.3	58.9	γ	54.7	27.1	10.1	8.1	Spinel
B8	2.7	19.5	77.8	γ	56.8	24.9	9.8	8.5	Spinel