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首页> 外文期刊>ISIJ international >Effect of Substitutional Element Addition on Hall-Petch Relationship in Interstitial Free Ferritic Steels
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Effect of Substitutional Element Addition on Hall-Petch Relationship in Interstitial Free Ferritic Steels

机译：间隙元素铁素体钢中替代元素添加对霍尔-Petch关系的影响

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摘要

The effects of individual substitutional element addition (Si, Al, Mn, Cu, Ni and Cr) on Hall-Petch relationship in interstitial free ferritic steels were systematically investigated by employing experimental examinations, the pie-up models and grain boundary segregation theory. Chemistry-dependent Hall-Petch coefficients were observed, which was principally interpreted based on the established correlations between the critical grain boundary shear stress and the grain boundary segregation depending on the kind of elements. Exceeded grain boundary segregation levels were found to be the predominant contributions of enhanced grain refinement strengthening abilities.
机译：通过实验研究，饼状模型和晶界偏析理论，系统地研究了单个替代元素添加量（Si，Al，Mn，Cu，Ni和Cr）对间隙自由铁素体钢中Hall-Petch关系的影响。观察到化学相关的霍尔-普奇系数，其主要基于基于元素种类的临界晶界剪切应力和晶界偏析之间已建立的相关性来解释。发现超出晶界偏析水平是增强晶粒细化强化能力的主要贡献。

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