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On the Degradation of Retained Austenite in Transformation Induced Plasticity Steel
Metallurgical and Materials Transactions A ( IF 2.8 ) Pub Date : 2020-05-23 , DOI: 10.1007/s11661-020-05823-z
Ilana B. Timokhina , Azdiar A. Gazder , Jiangting Wang , Ilias Bikmukhametov , Peter D. Hodgson , Frank Niessen , Elena V. Pereloma

A transformation-induced plasticity steel was thermomechanically processed and then transformed to bainite at an isothermal transformation temperature of 723 K for 1800 seconds, which exceeds the time required for completion of the bainite transformation. The formation of lenticular-shaped carbides with a triclinic lattice and internal substructure was found after thermomechanical processing. After 16 years of storage at room temperature, the decomposition of retained austenite into pearlite was observed for the first time at this temperature.



中文翻译:

论相变诱发塑性钢中残余奥氏体的降解

对相变诱发的可塑性钢进行热机械加工,然后在723 K的等温转变温度下将其转变为贝氏体1800秒,这超过了完成贝氏体转变所需的时间。经热机械加工后,发现形成具有三斜晶格和内部亚结构的柱状碳化物。在室温下保存16年后,首次在此温度下观察到残留的奥氏体分解为珠光体。

更新日期:2020-07-02
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