Effect of current density on properties of Ni/W coating electrodeposited in molten salt - Details

Author：

Qi, Y.-F. (Qi, Y.-F..) | Wang, B. (Wang, B..) (Scholars：王波) | Zhou, J.-Y. (Zhou, J.-Y..) | Li, Y.-G. (Li, Y.-G..) | Tian, W. (Tian, W..)

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Scopus PKU CSCD

Abstract：

Nickel　and　tungsten　composite　coatings　were　prepared　by　molten　salt　electrodeposition.　Micromorphology,　grain　size　and　ratio　of　low　angle　grain　boundaries　of　the　coatings　were　characterized　by　means　of　scanning　electronic　microscopy　(SEM)　and　electron　backscattered　diffraction　(EBSD)　technique.　The　results　show　that　the　surface　of　coatings　prepared　at　current　of　70~100　mA/cm2　is　smooth　and　compact.　Fracture　mechanism　of　the　Ni/W　coatings　is　cleavage　fracture.　Thickness　of　the　coatings　increases　with　the　increasing　current　density.　Grain　size　and　ratio　of　low　angle　grain　boundaries　of　the　coatings　decrease　with　the　increasing　current　density,　and　this　is　beneficial　to　obtaining　the　high　performance　of　the　coatings.　©　2016,　Editorial　Office　of　Transactions　of　Materials　and　Heat　Treatment.　All　right　reserved.

Keyword：

Grain size; Low angle grain boundaries; Microtopography; Ni/W coating

Author Community：

[ 1 ] [Qi, Y.-F.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Qi, Y.-F.]College of Metallurgy and Energy, North China University of Science and Technology, Tangshan, 063009, China
[ 3 ] [Wang, B.]School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Zhou, J.-Y.]College of Metallurgy and Energy, North China University of Science and Technology, Tangshan, 063009, China
[ 5 ] [Li, Y.-G.]College of Metallurgy and Energy, North China University of Science and Technology, Tangshan, 063009, China
[ 6 ] [Tian, W.]College of Metallurgy and Energy, North China University of Science and Technology, Tangshan, 063009, China

Reprint Author's Address：

[Li, Y.-G.]College of Metallurgy and Energy, North China University of Science and TechnologyChina

Email：

lyg@heut.edu.cn

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Source ：

Transactions of Materials and Heat Treatment

ISSN： 1009-6264

Year： 2016

Issue： 9

Volume： 37

Page： 172-177

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ESI Highly Cited Papers on the List： 0 Unfold All

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材料与制造学部本学院/部未明确归属的数据

材料与制造学部材料科学与工程学院

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