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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201704629
|2 doi
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|a pubmed24n0933.xml
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|a (DE-627)NLM280178603
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|a (NLM)29356130
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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 Li, Qiang
|e verfasserin
|4 aut
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|a High-Strength Nanotwinned Al Alloys with 9R Phase
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|c 2018
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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 01.08.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Light-weight aluminum (Al) alloys have widespread applications. However, most Al alloys have inherently low mechanical strength. Nanotwins can induce high strength and ductility in metallic materials. Yet, introducing high-density growth twins into Al remains difficult due to its ultrahigh stacking-fault energy. In this study, it is shown that incorporating merely several atomic percent of Fe solutes into Al enables the formation of nanotwinned (nt) columnar grains with high-density 9R phase in Al(Fe) solid solutions. The nt Al-Fe alloy coatings reach a maximum hardness of ≈5.5 GPa, one of the strongest binary Al alloys ever created. In situ uniaxial compressions show that the nt Al-Fe alloys populated with 9R phase have flow stress exceeding 1.5 GPa, comparable to high-strength steels. Molecular dynamics simulations reveal that high strength and hardening ability of Al-Fe alloys arise mainly from the high-density 9R phase and nanoscale grain sizes
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|a Journal Article
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|a 9R
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|a Al alloys
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|a high strength
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|a in situ
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|a molecular simulation
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1 |
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|a Xue, Sichuang
|e verfasserin
|4 aut
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1 |
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|a Wang, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shao, Shuai
|e verfasserin
|4 aut
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1 |
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|a Kwong, Anthony H
|e verfasserin
|4 aut
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1 |
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|a Giwa, Adenike
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Zhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Zhimin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Jie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Han
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Greer, Julia R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Haiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xinghang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 11 vom: 02. März
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:30
|g year:2018
|g number:11
|g day:02
|g month:03
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|u http://dx.doi.org/10.1002/adma.201704629
|3 Volltext
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