... assessments. Together, these comprehensive statistical analyses affirm the algorithm’s accuracy, reliability, and precision in categorizing instances of intergranular corrosion from digital images, highlighting its potential as a powerful tool in corrosion analysis. ^‡ Corresponding authors. E...

... aluminum (Al) matrix. Consequently, the sensitized alloy experiences intergranular corrosion due to the anodic dissolution of the grain boundary in a corrosive environment. Various techniques for dissolving intermetallic particles into the matrix have been reported in the literature, but they are often...

... wt% additive (cerium oxide—CeO₂, lanthanum (III) nitrate hexahydrate—La(NO₃)₃·6H₂O, and chromium nitride—CrN). The feedstock-modified LPBF-316L specimens were sensitized at 675°C for 24 h, and the influence of additives on intergranular corrosion (IGC...

...Miaomiao Zhao; Tao Liu; Linxiu Du; Hongyan Wu The intergranular corrosion (IGC) susceptibility of ultrafine grains (∼430 nm) and micrometer grains (∼3.1 µm to 9.8 μm) 304 stainless steel obtained by cryogenic rolling and reversion annealing treatments were studied. Transmission electron microscopy...

... reactivation (DL-EPR) and ditching tests, degree of sensitization (DOS) and intergranular corrosion (IGC) susceptibility was evaluated. It was found that the wrought samples showed slightly lower IGC susceptibility compared to their AM counterpart. DOS and IGC attacks increased with sensitization time for all...

..., with the prepared T × L surface face-up. After exposure, coupons were rinsed with deionized water, air dried, and cleaned following the standard corrosion product removal procedure described in ASTM G1. ⁶⁵ fractal analysis intergranular corrosion localized corrosion morphology machine learning...

...Binggang Shang; Longlin Lei; Xiangyu Wang; Pei He; Xinzhe Yuan; Wei Dai; Yiming Jiang; Jin Li; Yangting Sun A criterion for characterizing the intergranular corrosion sensitivity of 445J2 ultra-pure ferritic stainless steel was established using microstructure analysis and electrochemical impedance...

... and the volume fraction of the sigma phase was observed. ^‡ Corresponding author. E-mail: [email protected] . 31 October 2021 14 February 2022 14 February 2022 © 2022, AMPP 2022 electrochemical calculation intergranular corrosion polarization stainless steel...

... standards for austenitic stainless focus on assessing their resistance to different modes of corrosion such as pitting, crevice, and intergranular corrosion. Due to the complexity of the additive process, selective corrosion occurs in microstructural features such as cellular structures and melt pool...

... susceptible to pitting corrosion, further developing along intergranular corrosion pathways. It has, however, been shown that microgalvanic coupling between the Nb precipitates and matrix and/or sensitized grain boundary regions is not a factor in corrosion initiation as all experiments were performed under...

...). ^‡ Corresponding author. E-mails: [email protected] (D. Wang), [email protected] (P. Xue). 24 July 2018 04 March 2019 04 March 2019 © 2019, NACE International 2019 intergranular corrosion pitting potentiodynamic potentiostatic stainless steels weld High nitrogen...

... mechanisms. These result in small (semi-) hemispherical pits, irregular polygonal-shaped larger pits, and also extremely large and deep pits with complex morphologies. Principally intergranular corrosion and crystallographic pitting were observed. It is proposed that the changing nature of the pit...

... © 2018, NACE International 2018 additively manufactured 316L stainless steel austenite casting effects interfacial effects intergranular corrosion microstructure stainless steels Currently there is an intense interest in the use of additive manufacturing (AM) methods for a range...

... corrosion resistance intergranular corrosion pitting stainless steel stress corrosion cracking Stabilized austenitic stainless steel (SS) Type 347 (UNS S34700 ⁽¹⁾ ) has been extensively used for high-temperature applications in the petroleum refining and petrochemical industries because...

.... This maximum in I_r/I_a correlated well with a minimum resistance to intergranular corrosion in the boiling sulfuric + CuSO₄ acid test. However, using simulation by classical nucleation and diffusion theory and the Kolmogorov-Johnson-Mehl-Avrami law, Jiao, et al., ⁶...

... biocorrosion fretting corrosion intergranular corrosion passivity pitting scanning electron microscopy tribocorrosion wear Metallic medical devices (implants) have been in use in the human body for over 180 years starting when the early dentists used silver-mercury amalgams as restorative...

...S.K. Kairy; P.A. Rometsch; C.H.J. Davies; N. Birbilis The intergranular corrosion (IGC) and hardness associated with 6xxx series aluminum alloy sheets, varying in composition (namely Si:Mg ratio and Cu content), were systematically studied in four different aging conditions. The IGC of each alloy...

...R. Oltra; R. Bonzom The total porosity induced by the intergranular corrosion was selected as a monitoring parameter to follow in real-time the defect propagation of AA2024. The pertinence of eddy current (EC) probing has been tested on very thin foils of AA2024 (30 μm in thickness) in immersion...

...Xiaoyi Yang; Hui Chen; Cuncai Li; Zongtao Zhu; Xiaomin Wang; Xu Zhao The microstructure and intergranular corrosion resistance of 6 mm thick Type 301L-MT stainless steel joints welded by laser-MAG (metal active gas) hybrid welding were investigated. Double loop electrochemical potentiokinetic...

... that of the grains in the parent alloy, indicating that dynamic recrystallization has occurred in the nugget during the welding process. aluminum intergranular corrosion welding For weight saving, welding is used to replace riveting and fastening for the structure parts in the aerospace industry...