Rare Earth Ions (Ce3+, Eu2+ and Eu3+) Activated Silicate Oxyapatites in CaO-Y2O3-SiO2 System for WLEDs

Su, Xianyuan; Liu, Linlin; Yang, Yue; Fang, Yu; Li, Xiaodong; Mi, Chao; Liu, Yanzhou; Li, Gang; Jiao, Fuyun; Seo, Hyo Jin

doi:10.1166/sam.2017.2345

Cited by 2 publications

(1 citation statement)

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“…The corrosion resistant performances of cerium compound coatings obtained by multistep methods could be superior to that of conventional chromate passivation coating [11][12], but those methods are too complex for industrial applications [13]. Citric acid is the representative of the triad carboxylic acid, and is able to produce complexation with rare earth ions [14][15][16]. In this work the role of citric acid on growth mechanisms and corrosion resistance performance of cerium coating of hot-dip galvanized steel were investigated.…”

Section: Introductionmentioning

confidence: 99%

Effect of Citric Acid on Cerium Conversion Coating of Hot-Dip Galvanized Steel

Zhang

Yang

et al. 2019

KEM

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Cerium conversion coatings were obtained by immersing hot-dip galvanized steel (HDG) sheets in a cerous nitrate solution. The surface morphologies were observed with scanning electron microscopy. The composition of the coating were determined with X-ray energy dispersive spectrometer and X-ray photoelectron spectroscopy. The results showed that the modified cerium conversion coating grows more quickly than that of common cerium conversion coating. Potentiodynamic polarization and electrochemical impedance spectroscopy measurements revealed that the corrosion resistance of the modified cerium conversion coating was superior to that of common cerium conversion coating and was comparable to that of the conventional chromate passivation coating.

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Section: Introductionmentioning

confidence: 99%

Effect of Citric Acid on Cerium Conversion Coating of Hot-Dip Galvanized Steel

Zhang

Yang

et al. 2019

KEM

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Experimental investigation of the phase relations in the SiO2-Dy2O3-CaO ternary system

Wang

Zhi

Malfliet

et al. 2020

Ceramics International

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This paper reports on the experimental investigation of the phase relations in the CaO-SiO2-Dy2O3 system. CaO-SiO2-Dy2O3 slags were equilibrated at 1773 and 1873 K for 24 h in Ar and then quenched in water to determine the phase relations of the system. The composition of the equilibrated phases was measured by EPMA-WDS.The presence of ternary compounds and the extension of the solid solution and liquid regions were determined to construct the isothermal sections at 1773 and 1873 K of the ternary phase diagram. The data from this work will support further investigations on the feasibility to recover REEs through pyrometallurgical processing.

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Rare Earth Ions (Ce³⁺, Eu²⁺ and Eu³⁺) Activated Silicate Oxyapatites in CaO-Y₂O₃-SiO₂ System for WLEDs

Cited by 2 publications

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Effect of Citric Acid on Cerium Conversion Coating of Hot-Dip Galvanized Steel

Effect of Citric Acid on Cerium Conversion Coating of Hot-Dip Galvanized Steel

Experimental investigation of the phase relations in the SiO2-Dy2O3-CaO ternary system

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