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Ferrite/pearlite band prevention in dual phase and TRIP steels: Model development

机译:双相和TRIP钢中的铁素体/珠光体带防止:模型开发

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摘要

A model for predicting the conditions for ferrite/pearlite band prevention in dual phase and TRIP steels has been developed. The competition between processing parameters such as the austenitisation time and temperature, the transformation temperature and microchemical segregation wavelength is explored. The effects of alloy composition in the tendency to form ferrite/pearlite bands are quantified. A simple formula combining processing parameters and compositions for describing band formation is presented. The calculations show that the most prominent factor for preventing banding is the control of the microchemical wavelength. In addition to C and Mn, Al and Si concentrations have shown to play a smaller but significant role in band formation behaviour.
机译:已经建立了预测双相和TRIP钢中防止铁素体/珠光体带的条件的模型。探索了奥氏体化时间和温度,转变温度和微化学分离波长等工艺参数之间的竞争。量化了合金组成对形成铁素体/珠光体带的影响。提出了一个简单的公式,结合了处理参数和成分来描述能带形成。计算表明,防止结合的最主要因素是对微化学波长的控制。除了C和Mn,Al和Si的浓度在带形成行为中也起着较小但重要的作用。

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