导出了在奥氏体钢中相变驱动力与层错能的关系以及层错能和应变能对马氏体形态的影响规律.估算了低碳、氮含量的低温奥氏体钢中层错扩展时的晶格摩擦阻力(约为相变驱动力的18 %).临界层错能约为150 mJ/m2.
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