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[期刊]

High-Temperature Oxidation Behavior of the Ti-6Al-4V Alloy Manufactured by Selective Laser Sintering

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Author:

Liang, Zhiyuan (Liang, Zhiyuan.) | Tang, Bin (Tang, Bin.) | Gui, Yong (Gui, Yong.) | Unfold

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Abstract:

The high-temperature corrosion behavior of Ti-6Al-4V manufactured by selective laser sintering in air at 600°C for 400 h was studied. The corrosion products were characterized by x-ray diffraction, x-ray photoelectron spectroscopy, scanning electron microscopy, and energy dispersive spectrometry. The results show that the oxidation kinetics of Ti-6Al-4V manufactured by selective laser sintering followed a sub-parabolic law at 600°C. The oxidation resistance of the Ti-6Al-4V made by selective laser sintering was better than that of the Ti-6Al-4V made by rolling and laser beam melting. Oxidation products on Ti-6Al-4V were composed of multiple layers of TiO2 and Al2O3. Several intervals of Al2O3 layers enhanced the oxidation resistance of Ti-6Al-4V manufactured by selective laser sintering. The growth mechanism of the oxide scales is proposed. © 2019, The Minerals, Metals & Materials Society.

Keyword:

Alumina Aluminum alloys Aluminum corrosion Aluminum oxide Corrosive effects High temperature corrosion Laser beams Laser heating Oxidation resistance Scale (deposits) Scanning electron microscopy Selective laser melting Selective laser sintering Sintering Ternary alloys Thermooxidation Titanium alloys Titanium dioxide X ray photoelectron spectroscopy

Author Community:

  • [ 1 ] [Liang, Zhiyuan]Key Laboratory of Thermal Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an; 710049, China
  • [ 2 ] [Tang, Bin]Key Laboratory of Thermal Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an; 710049, China
  • [ 3 ] [Gui, Yong]Key Laboratory of Thermal Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an; 710049, China
  • [ 4 ] [Zhao, Qinxin]Key Laboratory of Thermal Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an; 710049, China
  • [ 5 ] [Liang, Zhiyuan]Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermal Fluid Sci & Engn MOE, Xian 710049, Shaanxi, Peoples R China
  • [ 6 ] [Tang, Bin]Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermal Fluid Sci & Engn MOE, Xian 710049, Shaanxi, Peoples R China
  • [ 7 ] [Gui, Yong]Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermal Fluid Sci & Engn MOE, Xian 710049, Shaanxi, Peoples R China
  • [ 8 ] [Zhao, Qinxin]Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermal Fluid Sci & Engn MOE, Xian 710049, Shaanxi, Peoples R China

Reprint Author's Address:

  • [Liang, Zhiyuan]Key Laboratory of Thermal Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an; 710049, China;;

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Source :

JOM

ISSN: 1047-4838

Year: 2019

Issue: 10

Volume: 71

Page: 3600-3605

2 . 0 2 9

JCR@2019

2 . 4 7 1

JCR@2020

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:131

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 10

30 Days PV: 10

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