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首页> 外文会议>Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005 >Research on the Deformation Behavior of Low Carbon Steel
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Research on the Deformation Behavior of Low Carbon Steel

机译：低碳钢的变形行为研究

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Hot compression tests of Q235 steel were performed using gleeble-3500. The deformation characters and evolution of deformation induced transformation ferrite of low carbon steel were studied. Results showed that the ferrite grains became finer as the deformation temperatures falling, but mixed size grains microstructure appeared when the deformation temperature was below Ar3. As the deformation progressing, ferrite nucleated at austenite boundaries first, then at the ferrite/ austenite interfaces. The ferrite fraction increased to the limit as the strain increased. The dynamic recrystallization of ferrite occurred at high strain. Isothermal holding after deformation led to inverse transformation of ferrite to austenite, the coarsening phenomenon of ferrite grains were observed either.
机译：Q235钢的热压缩试验是使用gleeble-3500进行的。研究了低碳钢的变形特征和变形诱发相变铁素体的演变。结果表明，随着变形温度的降低，铁素体晶粒变细，但当变形温度低于Ar3时，出现了混合尺寸的晶粒组织。随着变形的进行，铁素体首先在奥氏体边界成核，然后在铁素体/奥氏体界面成核。随着应变的增加，铁素体分数增加到极限。铁素体的动态再结晶在高应变下发生。变形后的等温保持导致铁素体向奥氏体的逆转变，也观察到了铁素体晶粒的粗化现象。

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