Boron triggers grain boundary structural transformation in steel

Abstract Boron enhances the hardenability of low-alloyed steel and reduces embrittlement at low temperatures, at parts-per-million concentration levels. Its effectiveness arises from segregation to grain boundaries (GBs)-planar defects between crystals-yet atomic-scale evidence remains limited. We a...

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Bibliographic Details
Main Authors: Xuyang Zhou, Sourabh Kumar, Siyuan Zhang, Xinren Chen, Baptiste Gault, Gerhard Dehm, Tilmann Hickel, Dierk Raabe
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-62264-1
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