pitting corrosion behavior of cerium treated hsla steel

  • Guangqiang LI | Professor (Full) | Ph. D | Wuhan ...

    Pitting corrosion behavior of Ce treated HSLA steels induced by sulfide inclusions in 3.5wt% NaCl solution was investigated with potentiodynamic polarization and immersion corrosion test.

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  • Pitting Corrosion of Passivated Zinc Monocrystals | CORROSION

    (2004) Preparation of self-healing protective films on a zinc electrode treated in a cerium(III) nitrate solution and modified with sodium phosphate and cerium(III) nitrate. Corrosion Science 46:6, 1565-1579. Online publication date: 1-Jun-2004.

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  • Wiley: Materials and Corrosion: Table of Contents

    On the pitting corrosion behavior of ultrafine‐grained aluminum processed by ECAP: A statistical analysis Materials and Corrosion, Volume 71, Issue 8, Page 1400-1406, August 2020. Atmospheric corrosion of carbon steels in tropical and subtropical climates in Southern China

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  • Influence of Na2S on the corrosion behavior of Q345 steel ...

    Sep 04, 2019· The influence of S 2− concentration in sodium aluminate solution on the corrosion behavior of Q345 steel was investigated by spray corrosion and electrochemical corrosion tests. Corrosion results showed that the corrosion weight loss and maximum pitting depth of Q345 steel increased as the S 2− concentration increased. Potentiodynamic polarization analysis and .

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  • Companion Study Guide on Short Course on Geothermal ...

    Hydrogen ion (pH) Primary cathodic reaction of steel corrosion in air-free brine is hydrogen ion reduction. Corrosion rate decreases sharply above pH 8. Low pH (less than about 5) promotes sulfide stress cracking (SSC) of high strength low alloy (HSLA) steels and some other alloys coupled to steel.

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  • The corrosion behavior of Ce-implanted magnesium alloys

    The aim of this study was to investigate the effect of cerium ion implantation on the corrosion behavior of AZ31 magnesium alloys. Samples were implanted with doses of 5×1016,1×1017 and 5×1017 ion/cm2, respectively, using a metal vapor vacuum arc (MEVVA) source at an extraction voltage of 45 kV. Auger electron spectrometry (AES) and X-ray

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  • Thermomechanical Behavior and Corrosion Resistance of a ...

    High-strength low-alloy steel with 0.766 wt% manganese was subjected to hot processing at two temperatures, namely, 800˚C and 1100˚C, and strain rates of 0.1, 1, and 10 s −1. The optimized hot-deformation route determined the prescribed strain applied at 800˚C and 0.1 s −1 because it promoted lower susceptibility to corrosion than the ...

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  • Effect of Fiber Laser Surface Modification on the ...

    This paper investigates the effect of fiber laser surface modification of AISI 316L austenitic stainless steel on corrosion behavior. In the experiments, the fiber laser with center wavelength of 1062 nm was employed with various laser parameters of beam velocity and laser frequency. The laser-treated has performed on the specimen surface in order to form the melted layer with an argon gas ...

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  • Effect of Temperature on Pitting Corrosion Resistance of ...

    The corrosion potential of the treated steel increased to a more noble level, the pitting corrosion potential increased also, the passive potential range was enlarged markedly and the passive ...

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  • Cerium chemical conversion coatings for corrosion ...

    Potentiodynamic polarization was used to study the corrosion behavior of the coatings in the concentrated artificial seawater at 72 °C. In comparison with the conventional nitric acid‐chromate passivated specimens, the cerium conversion coatings show much higher pitting potentials.

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  • Effect of heat treatment on pitting corrosion resistance ...

    One of the main drawbacks of 6061 Al/SiC P is its poor pitting corrosion resistance in the aggressive environment containing chloride ions, such as seawater, for example. The present article deals with the investigations of effects of aging on the corrosion behavior of 6061 Al/SiC P and of the heat treatment on the pitting corrosion resistance of 6061 Al/SiC P coated by cerium oxide prepared ...

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  • Corrosion Behavior of Cast Iron in Freely Aerated Stagnant ...

    Yilbas et al. have reported the improved corrosion resistance of cast iron surface treated with laser gas assisted of dual matrix structured. Al-Hashem et al. studied the effect of microstructure of nodular cast iron on its cavitation corrosion behavior in seawater and found that the surface becomes very rough with large size cavity pits.

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  • Corrosion Conference and Expo 2018

    2 pitting corrosion in multiphase gas pipelines-an ... effect of heat treatment on mechanical properties and corrosion resistance of nickel alloy uns n07718 – 140 ksi and 150 ksi grades ... effects of silty sand on localized corrosion behavior of 3cr steel in co 2-o2

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  • Corrosion of Materials after Advanced Surface Processing ...

    Jan 01, 2018· The pitting corrosion resistance of a stainless steel ventilation grill welded joint in a swimming pool environment is reported in this article. In swimming pools, in addition to plastics, stainless steel is used for structures/equipment such as .

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  • Stochastic Theory of Pitting Corrosion | CORROSION

    (1993) The pitting corrosion behavior of aluminum ion implanted with titanium. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 80-81, 267-270. Online publication date: 1-Jun-1993.

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  • Effect of Warm Rolling on the Corrosion and Mechanical ...

    Venegas et al. 17 founded for high strength low alloy steel the highest pitting corrosion resistance at {110}ND texture fibre. The resistance of the {hkl}ND texture fibres to pitting corrosion in their studied steel was first assumed and then experimentally observed to decreases in the following order: {110}ND; {200}ND > {222}ND > {112}ND > Random.

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  • Effect of Citric Acid on Cerium Conversion Coating of Hot ...

    The corrosion performance and adhesion properties of the epoxy coating applied on the steel substrates treated by cerium-based conversion coatings, Corrosion Science, 94 (2015) 466-475. DOI: 10.1016/jrsci.2015.02.028

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  • Corrosion behavior of cold-rolled and post heat-treated ...

    Abstract: The effect of cold rolling and post-rolling heat-treatment on the microstructural and electrochemical properties of the 316L stainless steel is investigated.The two passes and four passes cold-rolled stainless steel specimens were heat-treated .

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  • Corrosion of Materials after Advanced Surface Processing ...

    The pitting corrosion resistance of a stainless steel ventilation grill welded joint in a swimming pool environment is reported in this article. In swimming pools, in addition to plastics, stainless steel is used for structures/equipment such as ladders, ventilation systems, barriers, and drainage grills.

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  • Corrosion of Carbon Steel - Materials Database

    Carbon steel, the most widely used engineering material, accounts for approximately 85%, of the annual steel production worldwide. Despite its relatively limited corrosion resistance, carbon steel is used in large tonnages in marine applications, nuclear power and fossil fuel power plants, transportation, chemical processing, petroleum production and refining, pipelines, mining, construction ...

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  • US6632294B2 - Corrosion protection of steel in ammonia ...

    Corrosion of steel surfaces in a heat pump is inhibited by adding a rare earth metal salt to the heat pump's ammonia/water working fluid. In preferred embodiments, the rare earth metal salt includes cerium, and the steel surfaces are cerated to enhance the corrosion-inhibiting effects.

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  • Evaluation of the effect of ageing heat treatment on ...

    The corrosion resistance behavior of age-treated at 250 °C, 150 °C and solution-treated at 540 °C Al–4.2 wt%Ag alloys were investigated in a 3.5 wt% NaCl solution using cyclic potentiodynamic polarization (CPP) and electrochemical impedance spectroscopy measurements.

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  • Metals | Special Issue : Mechanical Behavior of High ...

    In this paper, the microstructural and mechanical properties of a high-strength low-alloy (HSLA) API 5L X52 steel, which is widely utilized in the construction of gas pipelines, were characterized with optical microscopy, electron backscatter diffraction, and standard mechanical tests.

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  • Studies on microstructure, mechanical and pitting ...

    Apr 05, 2018· Pitting corrosion resistance is observed to be low for dissimilar stainless steel welds when compared to similar stainless steel welds. Overall study showed that similar duplex stainless steel welds having favorable microstructure and resulted in better mechanical properties and corrosion .

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  • Effects of cerium on the compositional variations in and ...

    A. Stainless steel B. SEM B. Polarization C. Pitting corrosion abstract Ce addition to a hyperduplex stainless steel increased its resistance to pitting corrosion because of the formation of stable Ce oxides and a decrease in the area of microcrevices between the .

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  • Corrosion behavior of stainless steels modified by Cerium ...

    In the case of thermally treated steel, however, due to the cracking of the surface passive film, as a result of the thermal treatment its stationary corrosion potential reaches values (Е st .=0 ...

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  • Exfoliation Corrosion and Pitting Corrosion and Their Role ...

    Pitting corrosion in the 9Ni-4Co-0.3C steel wing attach fitting bushing and lug bore, main landing gear fitting attach bolts, 7075-T6 aluminum aft fuel cell aft bulkhead, and 2024-T351 center fuselage upper longeron. SCC in the wing attach bushing flange, and the main landing gear attach bolts.

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  • Effects of Cerium on the Inclusions and Pitting Corrosion ...

    Download Citation | Effects of Cerium on the Inclusions and Pitting Corrosion Behavior of 434 Ferritic Stainless Steel | The effects of Ce addition on the inclusions and the pitting corrosion ...

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  • Study on Microbiologically Influenced Corrosion Resistance ...

    May 20, 2020· Stainless steels are widely used in various industries due to their desirable combination of mechanical properties and corrosion resistance. However, corrosion of stainless steels was reported seriously on the weld seam areas, and it is not exceptive for microbiologically influenced corrosion (MIC). In the present study, MIC resistance of two austenitic stainless steels (A1, A2 for short) and ...

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  • Stress Corrosion Cracking Behavior of Materials | IntechOpen

    Apr 08, 2019· Stress corrosion cracking is a phenomenon associated with a combination of tensile stress, corrosive environment and, in some cases, a metallurgical condition that causes the component to premature failures. The fractures are often sudden and catastrophic, which may occur after a short period of design life and a stress level much lower than the yield stress.

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