Building direction dependence of corrosion resistance property of Ti–6Al–4V alloy fabricated by electron beam melting

Xiaojuan Gong; Yujie Cui; Daixiu Wei; Bin Liu; Ruiping Liu; Yan Nie; Yunping Li

doi:10.1016/j.corsci.2017.08.008

Building direction dependence of corrosion resistance property of Ti–6Al–4V alloy fabricated by electron beam melting

Xiaojuan Gong, Yujie Cui, Daixiu Wei, Bin Liu, Ruiping Liu, Yan Nie, Yunping Li

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

33 Citations (Scopus)

Abstract

Electrochemical measurements in 1 M HCl solution were performed to investigate the corrosion behaviour of Ti–6Al–4V alloy fabricated by electron beam melting (EBM) with cylindrical axes deviating from the building direction by 0°, 45°, 55°, and 90°. Microstructure characterization before and after the tests was carried out by using a variety of methods The results suggested that the corrosion resistance of EBM alloy in 1 M HCl solution increased slightly in the order of 45°, 90°, 55°, and 0°. Such difference can be ascribed to the grain boundary density and β phase constitution, which varied with the building direction.

Original language	English
Pages (from-to)	101-109
Number of pages	9
Journal	Corrosion Science
Volume	127
DOIs	https://doi.org/10.1016/j.corsci.2017.08.008
Publication status	Published - 2017 Oct

Keywords

Electrochemical impedance spectroscopy (EIS)
Electron beam melting (EBM)
Microstructure
Polarization
Titanium alloy

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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@article{0ea0ad6d22864b2eb0096c5b5fd42ec6,

title = "Building direction dependence of corrosion resistance property of Ti–6Al–4V alloy fabricated by electron beam melting",

abstract = "Electrochemical measurements in 1 M HCl solution were performed to investigate the corrosion behaviour of Ti–6Al–4V alloy fabricated by electron beam melting (EBM) with cylindrical axes deviating from the building direction by 0°, 45°, 55°, and 90°. Microstructure characterization before and after the tests was carried out by using a variety of methods The results suggested that the corrosion resistance of EBM alloy in 1 M HCl solution increased slightly in the order of 45°, 90°, 55°, and 0°. Such difference can be ascribed to the grain boundary density and β phase constitution, which varied with the building direction.",

keywords = "Electrochemical impedance spectroscopy (EIS), Electron beam melting (EBM), Microstructure, Polarization, Titanium alloy",

author = "Xiaojuan Gong and Yujie Cui and Daixiu Wei and Bin Liu and Ruiping Liu and Yan Nie and Yunping Li",

note = "Funding Information: The authors gratefully acknowledge the financial support from project of The Science Fund for Distinguished Young Scholars of Hunan Province, China ( 2016JJ1016 ) and the project of Innovation and Entrepreneur Team Introduced by Guangdong Province ( 201301G0105337290 ). ",

year = "2017",

month = oct,

doi = "10.1016/j.corsci.2017.08.008",

language = "English",

volume = "127",

pages = "101--109",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Limited",

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TY - JOUR

T1 - Building direction dependence of corrosion resistance property of Ti–6Al–4V alloy fabricated by electron beam melting

AU - Gong, Xiaojuan

AU - Cui, Yujie

AU - Wei, Daixiu

AU - Liu, Bin

AU - Liu, Ruiping

AU - Nie, Yan

AU - Li, Yunping

N1 - Funding Information: The authors gratefully acknowledge the financial support from project of The Science Fund for Distinguished Young Scholars of Hunan Province, China ( 2016JJ1016 ) and the project of Innovation and Entrepreneur Team Introduced by Guangdong Province ( 201301G0105337290 ).

PY - 2017/10

Y1 - 2017/10

N2 - Electrochemical measurements in 1 M HCl solution were performed to investigate the corrosion behaviour of Ti–6Al–4V alloy fabricated by electron beam melting (EBM) with cylindrical axes deviating from the building direction by 0°, 45°, 55°, and 90°. Microstructure characterization before and after the tests was carried out by using a variety of methods The results suggested that the corrosion resistance of EBM alloy in 1 M HCl solution increased slightly in the order of 45°, 90°, 55°, and 0°. Such difference can be ascribed to the grain boundary density and β phase constitution, which varied with the building direction.

AB - Electrochemical measurements in 1 M HCl solution were performed to investigate the corrosion behaviour of Ti–6Al–4V alloy fabricated by electron beam melting (EBM) with cylindrical axes deviating from the building direction by 0°, 45°, 55°, and 90°. Microstructure characterization before and after the tests was carried out by using a variety of methods The results suggested that the corrosion resistance of EBM alloy in 1 M HCl solution increased slightly in the order of 45°, 90°, 55°, and 0°. Such difference can be ascribed to the grain boundary density and β phase constitution, which varied with the building direction.

KW - Electrochemical impedance spectroscopy (EIS)

KW - Electron beam melting (EBM)

KW - Microstructure

KW - Polarization

KW - Titanium alloy

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U2 - 10.1016/j.corsci.2017.08.008

DO - 10.1016/j.corsci.2017.08.008

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VL - 127

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EP - 109

JO - Corrosion Science

JF - Corrosion Science

SN - 0010-938X

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