A review of crystal defect-induced element segregation in multi-component alloy steels

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外文摘要：In multi-component alloy steels,the interplay of chemical interactions among elements and variations in atomic radius often results in element segregation towards defects,markedly influencing the macroscopic material properties.Despite many recent studies reporting defect-dependent element segregation in steel,a comprehensive overview is still lacking.In this work,element segregation at various defects and their influence on steel per-formance are examined.It specifically delves into the influences of element segregation at dislocation,grain boundary,phase boundary,and precipitate phase interface on the mechanical performance of steel.For each type of crystal defect-induced element segregation,this review discusses the crystallographic structure,segregated microstructure,element segregation distribution,and the corresponding influence of element segregation on the mechanical performance of steel.Finally,this review extensively explores the scientific issues and challenges of element segregation research in steel.It provides valuable insights into the behavior of element segregation in steel and inspires new research directions in other multi-component alloys.

外文关键词：

Multi-component alloy steelsElement segregationCrystal defectMechanical performance

作者：

Xinyuan Zhang、Dexin Zhu、Chaolei Zhang、Xiaoye Zhou、Hong-Hui Wu、Feiyang Wang、Shuize Wang、Guilin Wu、Junheng Gao、Hiatao Zhao、Jiaming Zhu、Xinping Mao

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作者单位：

Institute for Carbon Neutrality,University of Science and Technology Beijing,Beijing,100083,China

Institute of Steel Sustainable Technology,Liaoning Academy of Materials,Shenyang,110004,China

Department of Materials Science and Engineering,Shenzhen MSU-BIT University,Shenzhen,518172,China

Institute of Materials Intelligent Technology,Liaoning Academy of Materials,Shenyang,110004,China

School of Civil Engineering,Shandong University,Jinan,250061,China

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出版年：

2024

DOI：

10.1016/j.pnsc.2024.07.016

自然科学进展·国际材料(英文)

国家自然科学基金委员会

自然科学进展·国际材料(英文)

影响因子：0.25

ISSN：1002-0071

年,卷(期)：2024.34(5)