Effects of boron concentration on the corrosion resistance of Fe-B alloys immersed in 460 °C molten zinc bath

Shengqiang Ma; Jiandong Xing; Hanguang Fu; Dawei Yi; Xiaohui Zhi; Yefei Li

doi:10.1016/j.surfcoat.2009.12.010

Effects of boron concentration on the corrosion resistance of Fe-B alloys immersed in 460 °C molten zinc bath

Shengqiang Ma
, Jiandong Xing
, Hanguang Fu
, Dawei Yi
, Xiaohui Zhi
, Yefei Li

School of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

In order to investigate the effects of boron concentration on the corrosion resistance of Fe-B alloys in molten zinc, Fe-B alloys, with the boron concentrations of 1.5 wt.%, 3.5 wt.% and 6.0 wt.% respectively, were dipped into a pure molten zinc bath at 460 °C and kept in different time intervals. The results show that, in comparison with 1Cr18Ni9Ti stainless steel, Fe-B alloy with 3.5 wt.%B exhibits excellent corrosion resistance, due to the dense continuous network or parallel Fe₂B phase which hinders the Fe/Zn interface reaction in Fe-B alloys. The energy dispersive spectrum (EDS) results indicate that the coarse and compact δ phase with the length about 40 μm generates near the matrix of Fe-B alloy and massive ζ phase occurs close to the liquid zinc. The corrosion process includes Fe/Zn reaction and the isolation and fracture of Fe₂B. The failure of boride is mainly caused by the microcrack.

Original language	English
Pages (from-to)	2208-2214
Number of pages	7
Journal	Surface and Coatings Technology
Volume	204
Issue number	14
DOIs	https://doi.org/10.1016/j.surfcoat.2009.12.010
State	Published - 15 Apr 2010

Keywords

Corrosion
Fe-B alloy
Interface reaction
Microcrack
Molten zinc

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10.1016/j.surfcoat.2009.12.010

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@article{bcd4b3d55898442495b2e388d1a33313,

title = "Effects of boron concentration on the corrosion resistance of Fe-B alloys immersed in 460 °C molten zinc bath",

abstract = "In order to investigate the effects of boron concentration on the corrosion resistance of Fe-B alloys in molten zinc, Fe-B alloys, with the boron concentrations of 1.5 wt.\%, 3.5 wt.\% and 6.0 wt.\% respectively, were dipped into a pure molten zinc bath at 460 °C and kept in different time intervals. The results show that, in comparison with 1Cr18Ni9Ti stainless steel, Fe-B alloy with 3.5 wt.\%B exhibits excellent corrosion resistance, due to the dense continuous network or parallel Fe2B phase which hinders the Fe/Zn interface reaction in Fe-B alloys. The energy dispersive spectrum (EDS) results indicate that the coarse and compact δ phase with the length about 40 μm generates near the matrix of Fe-B alloy and massive ζ phase occurs close to the liquid zinc. The corrosion process includes Fe/Zn reaction and the isolation and fracture of Fe2B. The failure of boride is mainly caused by the microcrack.",

keywords = "Corrosion, Fe-B alloy, Interface reaction, Microcrack, Molten zinc",

author = "Shengqiang Ma and Jiandong Xing and Hanguang Fu and Dawei Yi and Xiaohui Zhi and Yefei Li",

year = "2010",

month = apr,

day = "15",

doi = "10.1016/j.surfcoat.2009.12.010",

language = "英语",

volume = "204",

pages = "2208--2214",

journal = "Surface and Coatings Technology",

issn = "0257-8972",

publisher = "Elsevier B.V.",

number = "14",

}

TY - JOUR

T1 - Effects of boron concentration on the corrosion resistance of Fe-B alloys immersed in 460 °C molten zinc bath

AU - Ma, Shengqiang

AU - Xing, Jiandong

AU - Fu, Hanguang

AU - Yi, Dawei

AU - Zhi, Xiaohui

AU - Li, Yefei

PY - 2010/4/15

Y1 - 2010/4/15

N2 - In order to investigate the effects of boron concentration on the corrosion resistance of Fe-B alloys in molten zinc, Fe-B alloys, with the boron concentrations of 1.5 wt.%, 3.5 wt.% and 6.0 wt.% respectively, were dipped into a pure molten zinc bath at 460 °C and kept in different time intervals. The results show that, in comparison with 1Cr18Ni9Ti stainless steel, Fe-B alloy with 3.5 wt.%B exhibits excellent corrosion resistance, due to the dense continuous network or parallel Fe2B phase which hinders the Fe/Zn interface reaction in Fe-B alloys. The energy dispersive spectrum (EDS) results indicate that the coarse and compact δ phase with the length about 40 μm generates near the matrix of Fe-B alloy and massive ζ phase occurs close to the liquid zinc. The corrosion process includes Fe/Zn reaction and the isolation and fracture of Fe2B. The failure of boride is mainly caused by the microcrack.

AB - In order to investigate the effects of boron concentration on the corrosion resistance of Fe-B alloys in molten zinc, Fe-B alloys, with the boron concentrations of 1.5 wt.%, 3.5 wt.% and 6.0 wt.% respectively, were dipped into a pure molten zinc bath at 460 °C and kept in different time intervals. The results show that, in comparison with 1Cr18Ni9Ti stainless steel, Fe-B alloy with 3.5 wt.%B exhibits excellent corrosion resistance, due to the dense continuous network or parallel Fe2B phase which hinders the Fe/Zn interface reaction in Fe-B alloys. The energy dispersive spectrum (EDS) results indicate that the coarse and compact δ phase with the length about 40 μm generates near the matrix of Fe-B alloy and massive ζ phase occurs close to the liquid zinc. The corrosion process includes Fe/Zn reaction and the isolation and fracture of Fe2B. The failure of boride is mainly caused by the microcrack.

KW - Corrosion

KW - Fe-B alloy

KW - Interface reaction

KW - Microcrack

KW - Molten zinc

UR - https://www.scopus.com/pages/publications/76349092888

U2 - 10.1016/j.surfcoat.2009.12.010

DO - 10.1016/j.surfcoat.2009.12.010

M3 - 文章

AN - SCOPUS:76349092888

SN - 0257-8972

VL - 204

SP - 2208

EP - 2214

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

IS - 14

ER -

Effects of boron concentration on the corrosion resistance of Fe-B alloys immersed in 460 °C molten zinc bath

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Keywords

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