与传统的等温淬火工艺相比，“两步法”组织得到显著细化，而基体组织中残余奥氏体体积分数及含碳量无明显不同。

Compared with traditional austempered process, this new method would obtain much finer structure with nearly same volume fraction of retained austenite in matrix and carbon content of austenite.

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不同的淬火温度使双相钢显微组织中不仅产生了不同体积分数的马氏体，而且也形成了不同数量的新生铁素体。

Different quenching temperatures lead to not only different amounts of martensite, but also different volume fractions of new ferrite.

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