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首页> 外文期刊>ISIJ international >Effect of MnS Inclusions Distribution on Intragranular Ferrite Formation in Medium Carbon Non-Quenched and Tempered Steel for Large-Sized Crankshaft
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Effect of MnS Inclusions Distribution on Intragranular Ferrite Formation in Medium Carbon Non-Quenched and Tempered Steel for Large-Sized Crankshaft

机译：MnS夹杂物分布对大型曲轴中碳非调质钢晶内铁素体形成的影响

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摘要

A novel quantitative characterization method of MnS distribution was proposed based on the data from automatic inclusions analysis software to evaluate their effects on intragranular polygonal ferrite (IPF) formation in medium carbon non-quenched and tempered steels. The results show that agminated MnS inclusions in the steel are less effective to promote the IPF formation and lots of inclusions are actually wasteful because their space distances are too small to act as nucleation sites individually, even their number is larger than that in the steel with plentiful uniformly distributed MnS inclusions. Due to the difference of observation method, three-dimensional dendritic MnS inclusions would be revealed as several agminated small-sized ones in two-dimensional observation. In order to avoid misunderstanding, the characteristics of the nearest space distances between inclusions in widely used two-dimensional observation could be applied to recognize and define these agminated MnS inclusions to more accurately evaluate their effects on IPF formation.
机译：基于自动夹杂物分析软件的数据，提出了一种新颖的MnS分布定量表征方法，以评价其对中碳非调质钢中晶粒内多边形铁素体（IPF）形成的影响。结果表明，钢中的MnS夹杂物对促进IPF形成的效果较差，并且许多夹杂物实际上是浪费的，因为它们的间距太小而不能单独用作成核点，即使它们的数量大于含MnS的钢。大量均匀分布的MnS夹杂物。由于观测方法的不同，在二维观测中，三维树枝状MnS夹杂物会被显示为若干小块状。为了避免造成误解，在广泛使用的二维观测中，夹杂物之间最近的空间距离的特征可用于识别和定义这些经过搅拌的MnS夹杂物，以更准确地评估它们对IPF形成的影响。

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  • 来源
    《ISIJ international》 |2019年第3期|524-530|共7页
  • 作者

    Jinlong LU; Yunpeng WANG; Qiming WANG; Huijing CHENG; Guoguang CHENG;

  • 作者单位

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083 P. R. China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083 P. R. China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083 P. R. China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083 P. R. China;

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083 P. R. China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    non-quenched and tempered steel; MnS; distribution; intragranular polygonal ferrite; nearest space distance; crankshaft;

    机译：非调质钢MnS;分配;晶内多边形铁素体最近的空间距离;曲轴;

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