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electrochemical measurements

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Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 331-339, May 24–28, 2021,
.... The permeability of APP into the sprayed coating was analyzed by scanning electron microscopy coupled with energy dispersive spectroscopy (SEM-EDS). The treatment efficiency for porosity and corrosion resistance of sprayed coatings were evaluated by electrochemical measurements, such as the potentiodynamic...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 31-35, May 25–29, 1998,
... in a vegetable oil process. In this paper, mechanism of the corrosion resistance of the duplex coating is clarified by electrochemical measurements of the corrosion potential and the anodic polarization characteristics. aluminum alloys aqueous corrosion corrosion resistance electrochemical measurements...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 471-476, October 7–11, 1996,
... of the oxygen content. The measuring method is based on electrochemical determination of the oxygen potential using a solid electrolyte cell. The partial pressure of oxygen along the centreline of the plasma jet was measured with the hydrogen/argon and helium/argon ratio, the gas flow rate and the stand-off...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 185-192, October 7–11, 1996,
.... The initial estimate of the coating service life based on adhesion strength measurements in accelerated impressed current cathodic protection tests is about 27 years. adhesion strength concrete electrochemical aging thermal spraying zinc coatings Thermal Spray: Practical Solutions for Engineering...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 69-73, May 25–29, 1998,
... Tahie 2 Sspraymg parameters resin leaving a bare area of 2 em? for the electrochemical measurements. Roughnesses of coating beeing all Coating ref. A B C D E 88.5 =comprised in the same range (Ra 7flm ± 0.1 urn), we P (kW) 85.5 79.4 97 85.5 330 300 350 430 300 considered only the geometric area rather...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 57-61, May 25–29, 1998,
... of powder have been studied. The electrochemical corrosion of the coating-substrate system was characterised by corrosion potential measurements and potentiodynamic polarisations. Microscopic studies have also been performed by means of SEM. The corrosion tests were performed in synthetic marine water (ASTM...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 203-208, September 15–18, 1997,
... Abstract Corrosion behavior of a flame sprayed titanium coating sealed by some resins was investigated in 3.5% NaCl solution by an electrochemical polarization measurement and an immersion test. The composition and structure of the sprayed film was also analyzed by SEM and EPMA. Although...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 489-491, October 7–11, 1996,
... by electrochemical potentio-dynamic polarization tests. Hardness values were also measured. Corrosion resistance and hardness values of sealed coatings were remarkable better in comparison to the unsealed coatings. Rubber wheel abrasion resistances of the sealed coatings were equal to those of Al 2 O 3 , ZTA, SiC...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1067-1071, May 25–29, 1998,
... investigated. The layers of LSM (La 0.65 Sr 0.35 MnO3) air electrode and Ni/8YSZ fuel electrode have porosities of 23 ~32 % sufficient for supplying fuel and oxidant gases efficiently to electrochemical reaction interfaces. The measured electrical conductivities of the electrodes are higher than 90 S/cm...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 429-434, May 8–11, 2000,
...). The dry abrasion wear resistance was evaluated by the rubber wheel abrasion wear test and electrochemical corrosion behaviour by open circuit potential measurements. According to the XRD analysis the amount of retained carbides in the coatings is high and the carbide phase has a spherical shape also...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 322-330, May 24–28, 2021,
... ultrasonication, and then post-(heating) treated 4 Flow rate of primary plasma 70 4.8÷5.4 to form the durable phases inside the pores. Corrosion and gas Ar (L/min) 300÷350 abrasion resistances of the sealed coating are evaluated by various methods, such as the electrochemical measurements, 6 Flow rate...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 211-216, May 25–29, 1998,
... for all the cases, this Few methods allows to access to the quality of the process and its effects in natural sea water. In this present value being measured after machining. case, the characterization of these coatings will be obtained by the Electrochemical Impedance Spectroscopy. The average roughness...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 193-201, October 7–11, 1996,
..., and application of a slow potential scan (usually 0.1-1 electrochemical measurements. The detailed conditions of the eight coatings are listed in Table 2. mVis) close to the corrosion potential (Ecorr ) (ranging Coating microstructure characterization: from -20 mV to +20 mV vs. Ecorr) . The corrosion...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 659-664, May 25–29, 1998,
.... potentiostat. De-aerated IN H2S04 and IN HCI solutions were used for the electrolyte. A platinum counter electrode Fe-Ka as-sprayed and a saturated calomel reference electrode (SCE) were used. The electrochemical measurement of the coatings was carried lPPS, alloy A out by a scanning rate of I mVIs at 303 K...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1011-1015, May 8–11, 2000,
... judgement of corrosion performance. Electrochemical sections from each coating were prepared and examined by 1011 optical and scanning electron microscopy. The level of crevice corrosion associated with the moimting method. porosity was measured from optical images of the cross- section at x400...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 732-740, May 24–28, 2021,
... nickel cladded graphite and pure hexagonal boron through electrochemical measurement in artificial seawater. nitride (hBN) solid lubricants with various particle sizes. The Through the solid lubricant integration, the friction and wear solid lubricants are to surface exclusively at locations where volume...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1025-1031, May 8–11, 2000,
... in case of the employing HVOF an electrode area of 10 by 10 mm. process, the selection of the intermediate layer which minimizes the driving force for steel substrate Electrochemical Measurements degradation is quite important. The authors have Electrochemical testing was performed by means of already...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 73-78, October 7–11, 1996,
...) and the reference Therefore, IPS 3 conditions appear attractive at this electrode (RE) was attached to the cell through a salt stage. bridge. Electrochemical measurements were realised with a TACUSSEL PJT 24-1 potentiostat and an IMT 1 interface, The difference in hardness between IPS 1 and IPS 2 is both operating...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 783-789, September 15–18, 1997,
... electrochemical measurements possible. The erosivity can be varied by varying both the peripheral velocity of the rotating disc and the amount of sand. A more detailed description of the equipment is given elsewhere.1 The total material loss was determined by weighing the specimens before and after the test...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 983-990, May 8–11, 2000,
... electrode and a saturated calomel observed for the 17% Ni metallic matrix but the alloy is activated reference electrode (SCE). All potentials quoted in the paper in the case of the 7% Ni metallic matrix. are with reference to the SCE. The electrochemical measurements were taken with EG&G Prmceton Applied...