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首页> 外文期刊>Journal of Materials Engineering and Performance >Tempering of Cold-Rolled Martensite in Mild Steel and Elucidating the Effects of Alloying Elements
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Tempering of Cold-Rolled Martensite in Mild Steel and Elucidating the Effects of Alloying Elements

机译：冷轧马氏体温和钢的回火，阐明了合金元素的影响

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摘要

The martensite thermomechanical process was applied to the st37 steel and a modified version of this steel containing micro-addition of Cr and Mo. It was found that the presence of Cr and Mo can result in the retardation of softening during tempering of cold-rolled sheets, where the hardness of the modified steel at each tempering time was much higher compared to that of the st37 steel. Accordingly, the characteristic hardness fall (related to the occurrence of continuous recrystallization) was postponed effectively. The development of fine ferrite/carbide aggregate via martensite process resulted in the enhancement of tensile properties compared to the as-received ferrite/pearlite microstructure. The micro-addition of Cr and Mo was also found to be conducive to grain refinement during tempering of cold-rolled martensite.
机译：马氏体热机械过程应用于ST37钢和这种钢的改性版，含有CR和MO的微量加入的微量加入。发现Cr和Mo的存在可能导致冷轧纸张回火过程中软化的延迟 与ST37钢相比，在每个回火时间的改性钢的硬度远高得多。 因此，有效地推迟了特征硬度下降（与连续再结晶的发生有关）。 通过马氏体过程的细铁素体/碳化物聚集体的发展导致与接收的铁素体/珠光体微观结构相比增强拉伸性能。 还发现Cr和Mo的微量加入有利于冷轧马氏体回火过程中的晶粒细化。

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