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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202211796
|2 doi
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|a pubmed25n1184.xml
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|a (DE-627)NLM355356198
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|a (NLM)37030971
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ahmadian, Ali
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Interstitial Segregation has the Potential to Mitigate Liquid Metal Embrittlement in Iron
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.07.2023
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|a Date Revised 18.07.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The embrittlement of metallic alloys by liquid metals leads to catastrophic material failure and severely impacts their structural integrity. The weakening of grain boundaries (GBs) by the ingress of liquid metal and preceding segregation in the solid are thought to promote early fracture. However, the potential of balancing between the segregation of cohesion-enhancing interstitial solutes and embrittling elements inducing GB de-cohesion is not understood. Here, the mechanisms of how boron segregation mitigates the detrimental effects of the prime embrittler, zinc, in a Σ5 [001] tilt GB in α-Fe (4 at.% Al) is unveiled. Zinc forms nanoscale segregation patterns inducing structurally and compositionally complex GB states. Ab initio simulations reveal that boron hinders zinc segregation and compensates for the zinc-induced loss in GB cohesion. The work sheds new light on how interstitial solutes intimately modify GBs, thereby opening pathways to use them as dopants for preventing disastrous material failure
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|a Journal Article
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|a grain boundary embrittlement
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4 |
|a grain boundary segregation
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4 |
|a liquid metals
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4 |
|a nanoscale segregation patterns
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4 |
|a zinc
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| 650 |
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7 |
|a Iron
|2 NLM
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| 650 |
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7 |
|a E1UOL152H7
|2 NLM
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| 650 |
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7 |
|a Boron
|2 NLM
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| 650 |
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7 |
|a N9E3X5056Q
|2 NLM
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| 650 |
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7 |
|a Metals
|2 NLM
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| 650 |
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7 |
|a Zinc
|2 NLM
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| 650 |
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7 |
|a J41CSQ7QDS
|2 NLM
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| 650 |
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7 |
|a Alloys
|2 NLM
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| 700 |
1 |
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|a Scheiber, Daniel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xuyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gault, Baptiste
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Romaner, Lorenz
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kamachali, Reza D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ecker, Werner
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dehm, Gerhard
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liebscher, Christian H
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 28 vom: 08. Juli, Seite e2211796
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
8 |
|g volume:35
|g year:2023
|g number:28
|g day:08
|g month:07
|g pages:e2211796
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202211796
|3 Volltext
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|d 35
|j 2023
|e 28
|b 08
|c 07
|h e2211796
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