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Interface dominated cooperative nanoprecipitation in interstitial alloys
Wang HC; Zhang X; Yan DS(严定舜); Somsen C; Eggeler G

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.

Indexed BySCI ; EI
WOS IDWOS:000446113000019
WOS KeywordHigh-entropy Alloys ; Transformations ; Deformation ; Simulations ; Cementite ; Ductile ; Ferrite ; System ; Steel ; Situ
WOS Research AreaMultidisciplinary Sciences
WOS SubjectScience & Technology - Other Topics
Funding OrganizationMax-Planck Society within the International Max-Planck Research School for Surface and Interface Engineering in Advanced Materials (IMPRS-SurMat)
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWang HC; Zhang X
Affiliation1.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
Recommended Citation
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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