Titanium Coating on Carbon Steel: Direct-Current and Impulsive Electrodeposition. Physicomechanical and Chemical Properties

Малышев, В. В.; Shakhnin, D. B.

doi:10.1007/s11003-014-9694-7

“…Moreover, good deposits were obtained when the valence of the Ti ions was adjusted to be only Ti(III). In mixed uoride-chloride melts, Oki et al obtained compact smooth lms in KCl-NaCl-LiCl containing K 2 TiF 6 at 723-923 K 14,15) , while Malyshev et al reported similar results in KCl-NaCl-NaF-TiCl 3 at 1073 K 16) . The in uence of the addition of F − ions into chloride melts on the morphology of the Ti deposits has also been investigated.…”

Section: Introductionmentioning

confidence: 96%

“…The electrodeposition of titanium metal has been studied in high-temperature molten salts. In previous studies, chloride melts [1][2][3][4][5] , uoride melts [6][7][8][9][10][11][12][13] , and mixed uoride-chloride melts [14][15][16][17] were investigated as electrolytes. In chloride melts such as LiClKCl 1) , NaCl-KCl 2) , CaCl 2 3) , and NaCl-CsCl 4) , the morphologies of the products were dendritic or rough surface.…”

Section: Introductionmentioning

confidence: 99%

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Electrodeposition of Titanium in a Water-Soluble KF–KCl Molten Salt

Norikawa

¹

,

Yasuda

²

,

Nohira

³

2017

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A new method of electrodeposition of Ti using a water-soluble KF-KCl molten salt electrolyte has been proposed. The electrochemical behaviors of Ti(III) ions in a KF-KCl molten salt to which 0.1 mol% K 2 TiF 6 and an excess amount of sponge Ti were added have been investigated by cyclic voltammetry at 923 K. Anodic currents corresponding to the oxidation of Ti(III) ions were observed from 1.5 V (vs. K + /K) at a glass-like carbon rod electrode. In the negative potential region, cathodic currents were seen from 0.3 V, indicating the deposition of Ti metal from Ti(III) ions. When a nickel ag electrode was used, cathodic currents due to the formation of Ti-Ni alloys were observed, in addition to the current of deposition of Ti metal. The analyses of the electrodeposits by scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffractometry con rmed that dense and smooth lms of Ti metal with 20 μm thickness were obtained at current densities of 2.5 × 10

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“…The electrodeposition of titanium metal has been studied in high-temperature molten salts. In previous studies, chloride melts [1][2][3][4][5] , uoride melts [6][7][8][9][10][11][12][13] , and mixed uoride-chloride melts [14][15][16][17] were investigated as electrolytes. In chloride melts such as LiCl-KCl 1) , NaCl-KCl 2) , CaCl 2 3) , and NaCl-CsCl 4) , the morphologies of the products were dendritic or rough surface.…”

Section: Introductionmentioning

confidence: 99%

“…In the present paper, the electrochemical behavior of Ti(III) ions was investigated in the KF-KCl eutectic melt at 923 K. On the basis of previous studies [6][7][8][9][14][15][16] , Ti(III) ions were obtained by the comproportionation reaction (1).…”

Section: Introductionmentioning

confidence: 99%

Electrodeposition of Titanium in Water−Soluble KF−KCl Molten Salt

Norikawa

¹

,

Yasuda

²

2016

Meet. Abstr.

0

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A new method of electrodeposition of Ti using a water-soluble KF-KCl molten salt electrolyte has been proposed. The electrochemical behaviors of Ti(III) ions in a KF-KCl molten salt to which 0.1 mol% K 2 TiF 6 and an excess amount of sponge Ti were added have been investigated by cyclic voltammetry at 923 K. Anodic currents corresponding to the oxidation of Ti(III) ions were observed from 1.5 V (vs. K + /K) at a glass-like carbon rod electrode. In the negative potential region, cathodic currents were seen from 0.3 V, indicating the deposition of Ti metal from Ti(III) ions. When a nickel ag electrode was used, cathodic currents due to the formation of Ti-Ni alloys were observed, in addition to the current of deposition of Ti metal. The analyses of the electrodeposits by scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffractometry con rmed that dense and smooth lms of Ti metal with 20 μm thickness were obtained at current densities of 2.5 × 10 −2-1.0 × 10 −1 Acm −2. [

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Suitable Electrode Materials for Titanium Sheet Deposition

Kishimoto

¹

,

Yamada

²

,

Funatsu

³

et al. 2019

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Titanium is widely recognized to show an excellent resistance in highly corrosive environments, and the resource of titanium ore is abundant. However, the applications are limited because of the high cost for titanium production. In addition to the chlorination and reduction process, the fabrication process to sheet or foil is expensive. A cost‐effective production process for titanium sheet is therefore investigated. A procedure to mechanically peel off electrodeposited titanium sheet from electrodes is established. Glassy carbon and molybdenum electrodes are found to be suitable for this purpose.

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Titanium Coating on Carbon Steel: Direct-Current and Impulsive Electrodeposition. Physicomechanical and Chemical Properties

Cited by 15 publications

References 19 publications

Electrodeposition of Titanium in a Water-Soluble KF–KCl Molten Salt

Electrodeposition of Titanium in a Water-Soluble KF–KCl Molten Salt

Electrodeposition of Titanium in Water−Soluble KF−KCl Molten Salt

Suitable Electrode Materials for Titanium Sheet Deposition

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