Research Article

The Effect of Cooling Rate on Bainite Phase Formation in Austempered Nickel-Molybdenum Gray Cast Iron

Table 2

The percent of available phases in microstructure after etching.

Stair numberRetained austeniteMartensiteBainite

1st stair26.22%22.35%36.45%
2nd stair19.99%19.10%45.63%
3rd stair16.98%15.05%62.66%
4th stair18.24%11.25%45.21%
5th stair24.89%09.57%40.00%