Effects of Micro-Arc Oxidation of Ti6Al4V Alloy on Adhesion Property to Electroless Ni-P-ZrO2 Composite Platings and Their Wear Resistance

Chi, Feng; Hu, Shuilian; Yuanfei, Jiang; Zhou, Yan

doi:10.1016/s1875-5372(14)60032-1

Cited by 11 publications

(2 citation statements)

References 16 publications

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“…Although the MAO coating on titanium alloy has higher microhardness in the local compact regions than the substrate, the MAO coating fails quickly at high temperature environment [5] .…”

Section: Introductionmentioning

confidence: 99%

Oxidation Behavior of the Micro-arc Oxidation Scale of Al on TC4 Titanium Alloy

Bu¹,

Liu²,

Liu³

et al. 2017

dtmse

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Abstract. In this paper, Al coatings were deposited on the TC4 Titanium alloy by arc ion plating, and hence the Al coatings were micro-arc oxidized (MAO) in the solution of Na2SiO3 + (NaPO3)6 for 20min, 60min and 90min, respectively. The microstructure and oxidation behavior at 700 o C in air for 100 h were investigated by SEM/EDS, XRD and electric balance. The results show that with the increase of MAO treated time, the acquired scales became coarser, and their main composition was rich in Al2O3. After the 10 hours of the initial oxidation at 700 o C in air, obvious peeled scales were appeared on the samples of MAO treated for 20 min and 90min. After oxidation for 40 h, the samples of MAO treated for 60 min occurred mass lose. The oxidation mechanism of the MAO treated TC4 alloy was discussed.

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“…Although the MAO coating on titanium alloy has higher microhardness in the local compact regions than the substrate, the MAO coating fails quickly at high temperature environment [5] .…”

Section: Introductionmentioning

confidence: 99%

Oxidation Behavior of the Micro-arc Oxidation Scale of Al on TC4 Titanium Alloy

Bu¹,

Liu²,

Liu³

et al. 2017

dtmse

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“…Although the MAO coating on titanium alloy has higher microhardness in the local compact regions than the substrate, the MAO coating fails quickly at high temperature environment [5] . Al2O3 scales always have excellent tribological properties below 1000 o C in air [6,7].…”

Section: Introductionmentioning

confidence: 99%

Tribological Properties of the Micro-arc Oxidation Scale of Al Coating on TC4 Titanium Alloy

Fu¹,

Liu²,

Liu³

et al. 2017

dtmse

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Abstract. In this paper, an Al coating was deposited on the TC4 Titanium alloy by arc ion plating, and hence the Al coating was micro-arc oxidized (MAO) in the solution of Na2SiO3 + (NaPO3)6 for 30min. The pin-on-disc tribological properties of the scale at room temperature and 400 o C were tested. For comparison, the tribological properties of the TC4 Titanium alloy and its MAO scale for 30 min were also conducted in above conditions. The results show that MAO treated the TC4 sample, especially for the Al coating on the TC4 substrate after MAO treatment, had superior wear resistance both at room temperature and 400 o C. The wear mechanism of the scale was discussed.

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