Table 5.

Chemical composition of the precipitates in dendritic regions, STEM-EDX, at%.

Area	Phase	Ni	Cr	Co	W	Al	Ta	Hf	Ti	Mo
1	Matrix γ	52.1	21.5	16.9	4.7	3.4	0.3	0.2	0.2	0.7
2	Secondary γ′	69.8	2.9	6.8	3.2	13.7	1.6	0.6	1.1	0.3
3	Tertiary γ′	69.4	2.8	7.3	4.8	13.4	0.9	0.3	0.8	0.5
4	Boride M5B3	10.0	35.5	3.2	42.0	2.3	1.2	0.3	0.4	5.2
5		50.9	12.4	5.9	17.1	9.4	1.3	0.4	0.7	1.9