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首页> 外文会议>Congress of International Federation for Heat treatment and Surface Engineering >Effects of Austempering after Hot Deformation on the Mechanical Properties of Hot Rolled Si-Mn TRIP Steel Sheets
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Effects of Austempering after Hot Deformation on the Mechanical Properties of Hot Rolled Si-Mn TRIP Steel Sheets

机译：热变形后奥斯特普术对热轧Si-Mn跳闸钢板力学性能的影响

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摘要

Excellent mechanical properties are obtained by austempering after hot deformation without subsequent heat treatment in the present Si-Mn TRIP steel sheets. Isothermal holding time after finishing rolling has affected the mechanical properties of this steel. The results show that the sample exhibits a good combination of ultimate tensile strength and total elongation when it is held at the bainite transformation temperature after hot deformation. The stability of retained austenite increases with an increase of isothermal holding time, and a further increase in the holding duration results in a decrease of it. The tensile strength, total elongation and strength ductility reach the maximum values (774MPa, 33 percent and 25542MPa percent respectively) for this sort of hot rolled Si-Mn TRIP steel using the optimal technology.
机译：通过在本发明的Si-Mn跳闸钢板中而无需随后的热处理之后通过静脉锻造而获得优异的机械性能。完成轧制后的等温控时间影响了该钢的机械性能。结果表明，当在热变形后在贝氏体转化温度下保持时，样品表现出极限拉伸强度和总伸长率的良好组合。保留奥氏体的稳定性随着等温剩余时间的增加而增加，并且保持持续时间的进一步增加导致其降低。使用最佳技术，抗拉强度，总伸长率和强度延展性达到这种热轧Si-Mn跳闸钢的最大值（分别为774MPa，33％和25542MPa百分比）。

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