Corrosion behaviors of coatings fabricated using bulk metallic glass powders with the composition of Fe68.5C7.1Si 3.3B5.5P8.7Cr2.3Mo 2.5Al2.0

S. L. Wang; H. X. Li; S. Y. Hwang; S. D. Choi; S. Yi

doi:10.1007/s12540-012-4006-y

Corrosion behaviors of coatings fabricated using bulk metallic glass powders with the composition of Fe_68.5C_7.1Si _3.3B_5.5P_8.7Cr_2.3Mo _2.5Al_2.0

S. L. Wang
, H. X. Li
, S. Y. Hwang
, S. D. Choi
, S. Yi

Nanchang Hangkong University
University of Science and Technology Beijing
Research Institute of Industrial Science & Technology, Pohang

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

26 Scopus citations

Abstract

Two different types of coatings were prepared, by a high velocity oxy-fuel spraying method and a laser spraying method, respectively, using bulk metallic glass powders with the nominal composition of Fe_68.5C _7.1Si_3.3B_5.5P_8.7Cr _2.3Mo_2.5Al_2.0. The corrosion behaviors of the two coatings in 1M HCl, H₂SO₄, NaCl and NaOH solutions were investigated based upon the microstructural differences originating from the different coating methods. The amorphous coating layer formed by the high velocity oxy-fuel spraying method exhibited higher, excellent corrosion resistance in the 1M HCl solution. The coating layer formed by the laser spraying method exhibited a high pitting tendency attributed to the dendritic microstructure with various borides and carbides. Due to a great number of pores, the HVOF coating exhibits slightly lower corrosion resistance than the LS coating in alkaline solution.

Original language	English
Pages (from-to)	607-612
Number of pages	6
Journal	Metals and Materials International
Volume	18
Issue number	4
DOIs	https://doi.org/10.1007/s12540-012-4006-y
State	Published - Aug 2012

Keywords

Amorphous materials
Coating
Corrosion
Plasma deposition/spray
Surface modification

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title = "Corrosion behaviors of coatings fabricated using bulk metallic glass powders with the composition of Fe68.5C7.1Si 3.3B5.5P8.7Cr2.3Mo 2.5Al2.0",

abstract = "Two different types of coatings were prepared, by a high velocity oxy-fuel spraying method and a laser spraying method, respectively, using bulk metallic glass powders with the nominal composition of Fe68.5C 7.1Si3.3B5.5P8.7Cr 2.3Mo2.5Al2.0. The corrosion behaviors of the two coatings in 1M HCl, H2SO4, NaCl and NaOH solutions were investigated based upon the microstructural differences originating from the different coating methods. The amorphous coating layer formed by the high velocity oxy-fuel spraying method exhibited higher, excellent corrosion resistance in the 1M HCl solution. The coating layer formed by the laser spraying method exhibited a high pitting tendency attributed to the dendritic microstructure with various borides and carbides. Due to a great number of pores, the HVOF coating exhibits slightly lower corrosion resistance than the LS coating in alkaline solution.",

keywords = "Amorphous materials, Coating, Corrosion, Plasma deposition/spray, Surface modification",

author = "Wang, \{S. L.\} and Li, \{H. X.\} and Hwang, \{S. Y.\} and Choi, \{S. D.\} and S. Yi",

year = "2012",

month = aug,

doi = "10.1007/s12540-012-4006-y",

language = "English",

volume = "18",

pages = "607--612",

journal = "Metals and Materials International",

issn = "1598-9623",

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T1 - Corrosion behaviors of coatings fabricated using bulk metallic glass powders with the composition of Fe68.5C7.1Si 3.3B5.5P8.7Cr2.3Mo 2.5Al2.0

AU - Wang, S. L.

AU - Li, H. X.

AU - Hwang, S. Y.

AU - Choi, S. D.

AU - Yi, S.

PY - 2012/8

Y1 - 2012/8

N2 - Two different types of coatings were prepared, by a high velocity oxy-fuel spraying method and a laser spraying method, respectively, using bulk metallic glass powders with the nominal composition of Fe68.5C 7.1Si3.3B5.5P8.7Cr 2.3Mo2.5Al2.0. The corrosion behaviors of the two coatings in 1M HCl, H2SO4, NaCl and NaOH solutions were investigated based upon the microstructural differences originating from the different coating methods. The amorphous coating layer formed by the high velocity oxy-fuel spraying method exhibited higher, excellent corrosion resistance in the 1M HCl solution. The coating layer formed by the laser spraying method exhibited a high pitting tendency attributed to the dendritic microstructure with various borides and carbides. Due to a great number of pores, the HVOF coating exhibits slightly lower corrosion resistance than the LS coating in alkaline solution.

AB - Two different types of coatings were prepared, by a high velocity oxy-fuel spraying method and a laser spraying method, respectively, using bulk metallic glass powders with the nominal composition of Fe68.5C 7.1Si3.3B5.5P8.7Cr 2.3Mo2.5Al2.0. The corrosion behaviors of the two coatings in 1M HCl, H2SO4, NaCl and NaOH solutions were investigated based upon the microstructural differences originating from the different coating methods. The amorphous coating layer formed by the high velocity oxy-fuel spraying method exhibited higher, excellent corrosion resistance in the 1M HCl solution. The coating layer formed by the laser spraying method exhibited a high pitting tendency attributed to the dendritic microstructure with various borides and carbides. Due to a great number of pores, the HVOF coating exhibits slightly lower corrosion resistance than the LS coating in alkaline solution.

KW - Amorphous materials

KW - Coating

KW - Corrosion

KW - Plasma deposition/spray

KW - Surface modification

UR - https://www.scopus.com/pages/publications/84869186797

U2 - 10.1007/s12540-012-4006-y

DO - 10.1007/s12540-012-4006-y

M3 - Article

AN - SCOPUS:84869186797

SN - 1598-9623

VL - 18

SP - 607

EP - 612

JO - Metals and Materials International

JF - Metals and Materials International

IS - 4

ER -

Corrosion behaviors of coatings fabricated using bulk metallic glass powders with the composition of Fe_68.5C_7.1Si _3.3B_5.5P_8.7Cr_2.3Mo _2.5Al_2.0

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Keywords

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