Corrosion compositions on surface after electrochemical polarization of duplex stainless cast steel by XPS - Details

author：

Xiang, H. (Xiang, H..) ^[1] (Scholars：向红亮) | He, F. (He, F..) ^[2] (Scholars：何福善) | Liu, D. (Liu, D..) ^[3] (Scholars：刘东)

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Abstract：

Corrosion　deposites　of　super　duplex　stainless　cast　steel　on　surface　after　electrochemical　polarization　in　arterial　seawater　were　studied　by　X-ray　photoelectron　spectroscopy　in　this　paper.　The　results　indicate　that　the　outside　passive　film　of　cast　duplex　stainless　steel　is　mainly　composed　of　CrO3　and　hydroxide　type　compounds　such　as　CrOOH,　Cr(OH)3,　Fe(OH)3.　The　inside　film　is　mainly　composed　of　oxide　such　as　CrO3　Cr2O3,　FeO,　Ni2O3,　and　some　elements　of　Fe,　Cr,　Ni,　Mo　as　simple　substance　in　it.　MoO2　4　-　and　NM+　4　ions　exist　between　passive　film　and　solution　which　act　fairly　protective　effect.

Keyword：

Artificial seawater; Passive film; Super duplex stainless cast steel; X-ray photoelectron spectroscopy

Community：

[ 1 ] [Xiang, H.]College of Mechanical Engineering, Fuzhou University, Fuzhou 350108, China
[ 2 ] [He, F.]College of Mechanical Engineering, Fuzhou University, Fuzhou 350108, China
[ 3 ] [Liu, D.]College of Mechanical Engineering, Fuzhou University, Fuzhou 350108, China

Reprint 's Address：

向红亮
[Xiang, H.]College of Mechanical Engineering, Fuzhou University, Fuzhou 350108, China

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Source ：

Journal of the Chinese Society of Corrosion and Protection

ISSN： 1005-4537

CN： 21-1474/TG

Year： 2010

Issue： 4

Volume： 30

Page： 288-294

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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机械工程及自动化学院本学院/部未明确归属的数据

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