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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.
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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
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 10
Affiliated Colleges: