...Luis Perdomo-Hurtado; Vangelina Osteguin; Haya Abdelaziz; James Dante; Brendy C. Rincon Troconis The vulnerability of aluminum alloys to localized corrosion, particularly near fastener holes, is known to directly affect crack initiation. Gaining an improved understanding of environmental-assisted...

...⁻³ M Na₂S₂O₃ containing acid brines with pH4.0 is proposed. carbon steel localized corrosion Ni content sour corrosion sulfide stress cracking. On the steel side, Ni content in the steel was shown to be a facilitator of SSC. ^{23 - 30}...

... localized corrosion. This study investigates how varying H₂S concentrations affect the corrosion rates of API 5L X65 steel at 70°C. Using a 2 L glass cell setup, steel coupons were immersed in a solution containing 1,000 ppm NaCl and 500 ppm HAc for 7 d. Corrosion rates were determined through...

... etching with 10 wt% ammonium persulfate (pH = 1.2) at 30°C for 20 min. © 2024, AMPP 2024 additive manufacturing Al-Mg alloys alloying elements cold spray deposition localized corrosion passive layer P ure Al has excellent corrosion resistance but limited application due to its...

... rate, with this effect being more pronounced at lower water condensation rates. The risk of localized corrosion for specimens exposed to this environment at high and medium water condensation rates remained an issue. In the dense phase CO₂ environment, the difference in temperature between...

... localized corrosion repassivation potential L ocalized corrosion (pitting corrosion [E_p], crevice corrosion [E_crev], and stress corrosion cracking [SCC]) is an important phenomenon to be evaluated in corrosion-resistant alloys (CRAs). ^{1 - 6} CRAs are usually...

...A. Reyad; M.S. Hazarabedian; Yang Hou; E.C. Hornus; Mariano Iannuzzi Resistant to aggressive reducing environments and combining excellent mechanical properties, the age-hardenable Alloy 718 is the most broadly used nickel alloy in the oil and gas industry. Nevertheless, its localized corrosion...

..., reliability analysis, and corrosion-resistant design of materials. Several major novel corrosion simulation methods in the past 10 y are mainly introduced: cellular automata method, finite element method, phase field model, and peridynamics model. The computational modeling of localized corrosion is discussed...

...Munsu Kim; Luke N. Brewer; Gregory W. Kubacki This paper investigates the initiation and propagation of localized corrosion on cold-sprayed (CS) aluminum alloy 2024 and 7075 deposits. CS deposits on AA2024-T351 and AA7075-T651 substrates were produced with commercially available AA2024 and AA7075...

... of the localized corrosion features, loading state, crack-formation features, local microstructure, and environment remains a critical issue when predicting crack initiation and propagation leading to potential metal failure. As such, the lifetimes of many exposed alloys are greatly reduced by the presence...

...Narasi Sridhar This paper reviews the localized corrosion of passive Ni-Fe-Cr-Mo-N alloys immersed in seawater using a Bayesian network (BN) method. Making alloy performance decisions using data from the literature on seawater is challenging because a large body of data is generated using various...

...Angeire S. Huggins-Gonzalez; Narasi Sridhar; Ramgopal Thodla; Jeffrey Hawk; David Alman The localized corrosion behavior of Type 304L stainless steel (UNS S30400), Alloy 625 (UNS N06625), and three experimental NiCoCrMo multiprincipal element alloys (MPEA), exposed to methanol/lithium chloride...

... (SNF) interim storage canisters. However, in a chloride-containing atmosphere, such as in marine or near marine conditions, where airborne particulates can absorb and deliquesce on metal surfaces, localized corrosion in the form of pitting is of great issue. ^{2 - 4} Pitting corrosion...

... in both measurement and modeling. When performed in a coordinated and complementary way, measurements and modeling provide insights into the controlling processes of a range of localized corrosion phenomena, including crevice corrosion, pitting, intergranular corrosion, and stress corrosion cracking...

..., and intergranular corrosion. ^‡ Corresponding author. E-mail: [email protected] . 31 May 2021 05 November 2021 05 November 2021 © 2022, AMPP 2022 additive manufacturing intergranular corrosion laser powder bed fusion localized corrosion sensitization...

... and a band of martensite were formed. The base metal of X52 underwent the highest corrosion rate and localized corrosion occurred in the heat affected zone. Interface ER2594/25Cr7Ni and 25Cr7Ni showed the presence of pitting near intermetallics. carbon steel dissimilar metal weld intermetallics...

...Shidong Wang; Lyndon Lamborn; Karina Chevil; Erwin Gamboa; Weixing Chen This investigation was designed to study whether strain aging could assist localized corrosion of pipeline steels under realistic conditions, which is an unsolved problem in the evaluation of strain-aging-induced stress...

...Chenxi Liu; Narasi Sridhar Localized corrosion is a precursor to the deterioration of carbon steel reinforcing bars in concrete. The localized corrosion of carbon steel in simulated concrete pore solutions was investigated by cyclic potentiodynamic polarization (CPP) technique. A four-factor, two...

... the corrosion resistance of Mg-xZn alloys. ^‡ Corresponding author. E-mail: [email protected] . 20 August 2020 21 December 2020 21 December 2020 © 2021, NACE International 2021 bioresorbable localized corrosion magnesium passivation zinc M...

...M. Shahabi-Navid; M. Halvarsson; J.E. Svensson; A. Allanore; N. Birbilis; L.G. Johansson; M. Esmaily The localized corrosion of the two magnesium-aluminum alloys AM50 and AZ91 produced by a semisolid casting method was investigated under atmospheric corrosion conditions, in the presence of NaCl...