Destruction of few fluorides to passive film of Ti-6Al-4V alloy under oxygen deficiency crevice conditions
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DOI: 10.1007/s10853-020-05456-y
Abstract: The destruction of Ti passive film cannot occur if fluorine ions (F − ) are below a critical concentration in an open electrolyte with oxygen acting as a passivating agent. However, in an occluded crevice,… read more here.
Keywords: crevice; oxygen deficiency; passive film; 6al alloy ... See more keywords
Passive Film Properties and Electrochemical Behavior of Co-Cr-Mo Stainless Steel in Chloride Solution
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DOI: 10.1007/s11665-017-2648-0
Abstract: The electrochemical behavior and passive film properties of Co-Cr-Mo ultrahigh-strength stainless steel in neutral and acidic chloride solution were evaluated by potentiodynamic polarization curves, electrochemical impedance spectroscopy and x-ray photoelectron spectroscopy. The results indicate that… read more here.
Keywords: electrochemical behavior; passive film; solution; spectroscopy ... See more keywords
Surface Chemistry and Semiconducting Properties of Passive Film and Corrosion Resistance of Annealed Surgical Stainless Steel
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DOI: 10.1007/s11665-020-05067-3
Abstract: ASTM F-139 surgical stainless steel was subjected to annealing treatments at 700 °C for different times. The effect of annealing on the chemical composition of the passive film was evaluated by x-ray photoelectron spectroscopy. The… read more here.
Keywords: chemistry; passive film; stainless steel; corrosion ... See more keywords
Effect of microstructure and passive film on corrosion resistance of 2507 super duplex stainless steel prepared by different cooling methods in simulated marine environment
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DOI: 10.1007/s12613-020-2094-0
Abstract: The effect of microstructure and passive film on the corrosion resistance of 2507 super duplex stainless steel (SDSS) in simulated marine environment was investigated by electrochemical measurements, periodic wet-dry cyclic corrosion test, scanning Kelvin probe… read more here.
Keywords: corrosion resistance; steel; corrosion; passive film ... See more keywords
Electrochemical Performance of Passive Film Formed on Ti–Al–Nb–Zr Alloy in Simulated Deep Sea Environments
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DOI: 10.1007/s40195-019-00958-4
Abstract: Titanium alloy Ti–Al–Nb–Zr has high specific strength and becomes a promising structural material used in the deep sea. The excellent corrosion resistance of the alloy is derived from the protective passive film formed on its… read more here.
Keywords: deep sea; simulated deep; sea environments; sea ... See more keywords
Effects of Ti addition on corrosion behavior of Zr-based metallic glass in chloride medium
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DOI: 10.1007/s42243-018-0097-0
Abstract: The effects of Ti element on the corrosion resistance of the metallic glass Zr51.3Al10Ni6Cu31.8Ag0.1Y0.8 in aqueous solution with various chloride concentrations were investigated, and the effect mechanism was discussed. X-ray diffraction confirmed that Ti-added Zr51.3Al10Ni6Cu31.8Ag0.1Y0.8… read more here.
Keywords: metallic glass; addition; passive film; corrosion ... See more keywords
Aqueous passivation of multi-principal element alloy Ni38Fe20Cr22Mn10Co10: Unexpected high Cr enrichment within the passive film
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DOI: 10.1016/j.actamat.2020.07.024
Abstract: Abstract The aqueous passivation of a non-equiatomic Ni38Fe20Cr22Mn10Co10 - at.% (Ni40Fe20Cr20Mn10Co10 - wt.%) multi-principal element alloy (MPEA) was investigated in 0.1 M NaCl at pH 4 and compared to a conventional binary Ni76Cr24 – at.% (Ni78Cr22… read more here.
Keywords: alloy; principal element; passive film; film ... See more keywords
The surface characterization and passive behavior of Type 316L stainless steel in H 2 S-containing conditions
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DOI: 10.1016/j.apsusc.2017.06.214
Abstract: Abstract The protectiveness and characterization of passive films formed at various potentials in H2S-containing environments were studied using electrochemical measurements and surface analysis method. The corrosion resistance of 316L in H2S-containing environment decreases with the… read more here.
Keywords: surface characterization; passive film; film; spectroscopy ... See more keywords
Influence of sulfate salt type on passive film of steel in simulated concrete pore solution
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DOI: 10.1016/j.conbuildmat.2019.06.209
Abstract: Abstract The durability of steel reinforced concrete caused by sulfate erosion is a big concern. However, little is known about the erosive effect of different types of sulfate salts on the properties of reinforced steel.… read more here.
Keywords: solution; sulfate; steel simulated; passive film ... See more keywords
Ion transport mechanisms in the passive film formed on 304L stainless steel studied by ToF-SIMS with 18O isotopic tracer
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DOI: 10.1016/j.corsci.2020.108779
Abstract: Abstract The ion transport in the pre-formed passive film on 304L stainless steel surface has been investigated by in situ ToF-SIMS with isotopic tracer. The passive film, formed electrochemically in sulfuric acid, has a bilayer… read more here.
Keywords: ion transport; isotopic tracer; film; passive film ... See more keywords
Hydrogen effects on microstructural evolution and passive film characteristics of a duplex stainless steel
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DOI: 10.1016/j.elecom.2017.04.013
Abstract: Abstract We revealed the effects of hydrogen on the microstructural evolution and passive film properties of a 2205 duplex stainless steel by the joint use of electron backscatter diffraction (EBSD), electron channeling contrast imaging (ECCI),… read more here.
Keywords: steel; microstructural evolution; passive film; hydrogen ... See more keywords