论证了贝氏体铁素体在含碳量小于0.3%时为体心立方结构,碳量大于0.3%后呈体心正方结构。

• The bainitic ferrite is BCC lattice when the carbon content in it is below 0.3%25 and it is BCT lattice when the carbon content is over 0.3%25.