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Interface dominated cooperative nanoprecipitation in interstitial alloys
Wang HC; Zhang X; Yan DS(严定舜); Somsen C; Eggeler G
2018-10-01
发表期刊NATURE COMMUNICATIONS
卷号9页码:4017
ISSN2041-1723
摘要

Steels belong to one of the best established materials, however, the mechanisms of various phase transformations down to the nano length scale are still not fully clear. In this work, high-resolution transmission electron microscopy is combined with atomistic simulations to study the nanoscale carbide precipitation in a Fe-Cr-C alloy. We identify a cooperative growth mechanism that connects host lattice reconstruction and interstitial segregation at the growing interface front, which leads to a preferential growth of cementite (Fe3C) nanoprecipitates along a particular direction. This insight significantly improves our understanding of the mechanisms of nanoscale precipitation in interstitial alloys, and paves the way for engineering nanostructures to enhance the mechanical performance of alloys.

DOI10.1038/s41467-018-06474-w
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000446113000019
关键词[WOS]High-entropy Alloys ; Transformations ; Deformation ; Simulations ; Cementite ; Ductile ; Ferrite ; System ; Steel ; Situ
WOS研究方向Multidisciplinary Sciences
WOS类目Science & Technology - Other Topics
项目资助者Max-Planck Society within the International Max-Planck Research School for Surface and Interface Engineering in Advanced Materials (IMPRS-SurMat)
论文分区一类
力学所作者排名3
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77859
专题非线性力学国家重点实验室
通讯作者Wang HC; Zhang X
作者单位1.Ruhr Univ Bochum, Inst Werkstoffe, D-44801 Bochum, Germany
2.Univ Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
3.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Wang HC,Zhang X,Yan DS,et al. Interface dominated cooperative nanoprecipitation in interstitial alloys[J]. NATURE COMMUNICATIONS,2018,9:4017.
APA Wang HC,Zhang X,Yan DS,Somsen C,&Eggeler G.(2018).Interface dominated cooperative nanoprecipitation in interstitial alloys.NATURE COMMUNICATIONS,9,4017.
MLA Wang HC,et al."Interface dominated cooperative nanoprecipitation in interstitial alloys".NATURE COMMUNICATIONS 9(2018):4017.
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