The results show that the range of austenitizing temperature required for bainite hardening and the hardness of bainite ductile cast iron is increased as vanadium is added.
研究结果表明，钒使贝氏体转变所要求的奥氏体化温度范围增大，并使贝氏体球铁的硬度提高。
2
Holding in the lower pearlite range accelerates subsequent transformation to bainite.