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Diffusion and surface alloying of gradient nanostructured metals
Wang, Zhenbo; Lu, Ke; Wang, ZB (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-03-03
Source PublicationBEILSTEIN JOURNAL OF NANOTECHNOLOGY
ISSN2190-4286
Volume8Pages:547-560
AbstractGradient nanostructures (GNSs) have been optimized in recent years for desired performance. The diffusion behavior in GNS metals is crucial for understanding the diffusion mechanism and relative characteristics of different interfaces that provide fundamental understanding for advancing the traditional surface alloying processes. In this paper, atomic diffusion, reactive diffusion, and surface alloying processes are reviewed for various metals with a preformed GNS surface layer. We emphasize the promoted atomic diffusion and reactive diffusion in the GNS surface layer that are related to a higher interfacial energy state with respect to those in relaxed coarse-grained samples. Accordingly, different surface alloying processes, such as nitriding and chromizing, have been modified significantly, and some diffusion-related properties have been enhanced. Finally, the perspectives on current research in this field are discussed.; Gradient nanostructures (GNSs) have been optimized in recent years for desired performance. The diffusion behavior in GNS metals is crucial for understanding the diffusion mechanism and relative characteristics of different interfaces that provide fundamental understanding for advancing the traditional surface alloying processes. In this paper, atomic diffusion, reactive diffusion, and surface alloying processes are reviewed for various metals with a preformed GNS surface layer. We emphasize the promoted atomic diffusion and reactive diffusion in the GNS surface layer that are related to a higher interfacial energy state with respect to those in relaxed coarse-grained samples. Accordingly, different surface alloying processes, such as nitriding and chromizing, have been modified significantly, and some diffusion-related properties have been enhanced. Finally, the perspectives on current research in this field are discussed.
description.department[wang, zhenbo ; lu, ke] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
KeywordDiffusion Gradient Nanostructures Grain Boundary Interface Surface Alloying
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
Funding OrganizationMinistry of Science and Technology projects of China [2012CB932201]; National Natural Science Foundation of China [51231006, 91226204]; Shenyang National Laboratory for Materials Science
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78242
Collection中国科学院金属研究所
Corresponding AuthorWang, ZB (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Zhenbo,Lu, Ke,Wang, ZB . Diffusion and surface alloying of gradient nanostructured metals[J]. BEILSTEIN JOURNAL OF NANOTECHNOLOGY,2017,8:547-560.
APA Wang, Zhenbo,Lu, Ke,&Wang, ZB .(2017).Diffusion and surface alloying of gradient nanostructured metals.BEILSTEIN JOURNAL OF NANOTECHNOLOGY,8,547-560.
MLA Wang, Zhenbo,et al."Diffusion and surface alloying of gradient nanostructured metals".BEILSTEIN JOURNAL OF NANOTECHNOLOGY 8(2017):547-560.
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