Obtaining Martensitic Structures during Thixoforming of Hypoeutectic Gray Cast Iron

Table 3

Quantitative metallographic analysis of alloys (95% confidence interval).

Condition	Predominant type of graphite	Graphite (%)	IAS (μm)	Graphite flake length (μm)
As-cast	A	7.5 ± 0.8	59.1 ± 43.8	57.5 ± 38.9
1145°C	E	8.6 ± 0.7	57.8 ± 19.7	33.1 ± 9.6
1135°C	E	8.8 ± 1.1	58.1 ± 22.5	32.5 ± 6.9
1300°C–0 s	E	9.5 ± 0.8	45.2 ± 15.4	25.2 ± 8.6
1300°C–30 s	E	10.1 ± 0.7	43.9 ± 16.1	22.9 ± 9.3
1300°C–60 s	E	9.8 ± 1.4	42.9 ± 16.6	25.3 ± 6.8
1300°C–90 s	E	10.3 ± 1.6	53.1 ± 24.1	31.3 ± 8.5