Nonmetallic trace elements induced rhenium co-segregation in nickel Σ5 [001](210) symmetrical tilt grain boundary

The thermally/mechanically-driven structural instability of nano- and coarse-grained polycrystalline metals originates from the unstable grain boundaries (GBs). GB segregation of solute elements could not only stabilize but also embrittle GBs. To improve GB stability and cohesion in parallel via sol...

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Autori principali:	Hongtao Xue, Ruidong Dang, Fuling Tang, Xuefeng Lu, Junqiang Ren, Junchen Li
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Elsevier 2023-07-01
Serie:	Journal of Materials Research and Technology
Soggetti:	Induced grain boundary segregation Σ5 [001](210) symmetrical tilt grain boundary Grain boundary excess energy Grain boundary strengthening First-principles calculations Nanograined Ni alloys
Accesso online:	http://www.sciencedirect.com/science/article/pii/S223878542301431X
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