IMECH-IR  > 非线性力学国家重点实验室
Enhanced tensile ductility and strength of electrodeposited ultrafine-grained nickel with a desired bimodal microstructure
Zhang, Qian; Liu, Ying; Liu, Yongsheng; Ren, Yanhong; Wu, Yanxia; Gao, Zhipeng; Wu XL(武晓雷); Han, Peide; Liu, Y (reprint author), Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China.
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
2017-07-31
Volume701Pages:196-202
ISSN0921-5093
AbstractThis work aims to use surfactant-assisted direct current electrodeposition technique to prepare four types of bimodal nickel, under different current densities. Bimodal Ni is obtained with different grain size and spatial distribution of CG and UFG areas showing a big disparity in mechanical properties. As a result of small population of coarse-grained surrounded by quite a lot of ultrafine-grained forming a unique shell-and-core bimodal structure, bimodal one present the best comprehensive mechanical properties with an ultrahigh tensile strength (similar to 847 MPa) and a considerable plastic strain (similar to 16.7%). Deformation initial, bimodal structures display more positive strain hardening to meaningful strains than unimodal structure of UFG and CG. Particularly bimodal one work-hardening rate is the highest thanks to its structure (UFG occupy 76.7% in total number fraction) and the distribution of growth twins. Growth twins in this article are referred to Sigma 3(111) coherent twins playing an important role in improving high strength, enhancing uniform plastic deformation ability.
KeywordElectrodeposition Nickel Bimodal Microstructure Twins Spatial Distribution Mechanical Property
DOI10.1016/j.msea.2017.06.063
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000406989000021
WOS KeywordSEVERE PLASTIC-DEFORMATION ; NANOSTRUCTURED METALS ; MECHANICAL-PROPERTIES ; ULTRAHIGH STRENGTH ; SIZE DISTRIBUTION ; COPPER ; NANOPILLARS ; NANOSCALE ; TWINS
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China(51371123) ; National Natural Science Foundation of Shanxi Province(2014011002) ; Research Fund for the Doctoral Program of Higher Education of China(20131402110003)
DepartmentLNM材料介观力学性能的表征
Classification一类
Ranking5+
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/70037
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, Y (reprint author), Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Qian,Liu, Ying,Liu, Yongsheng,et al. Enhanced tensile ductility and strength of electrodeposited ultrafine-grained nickel with a desired bimodal microstructure[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,701:196-202.
APA Zhang, Qian.,Liu, Ying.,Liu, Yongsheng.,Ren, Yanhong.,Wu, Yanxia.,...&Liu, Y .(2017).Enhanced tensile ductility and strength of electrodeposited ultrafine-grained nickel with a desired bimodal microstructure.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,701,196-202.
MLA Zhang, Qian,et al."Enhanced tensile ductility and strength of electrodeposited ultrafine-grained nickel with a desired bimodal microstructure".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 701(2017):196-202.
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