... hardening in the tempering treatment. Therefore, this work aims to investigate how the heat treatments might affect both the hardness and the degree of sensitization (DOS) of a SMSS type 13Cr-5Ni-2Mo with N micro-addition (0.18%). In this regard, double loop electrochemical potentiokinetic reactivation (DL...

...) heat treatment pit morphology pitting steel weld Atmospheric Pitting Corrosion of TIG Welded Type 316L Austenitic Stainless Steel Under MgCl2 droplets Haval B. Mohammed-Ali, +, * +Corresponding author. E-mail: [email protected] (H.B. Mohammed-Ali) *Department of Physics, University...

...Rulei Lan; Longlin Lei; Xiheng Sun; Jin Li; Yiming Jiang; Yangting Sun This study investigates the influence of the sigma phase in 446 stainless steel on the pitting process in a Br⁻ environment after heat treatment, as well as its relationship with (Ti, Nb) primary precipitates. We find...

...Y. Shorrab; J.J. Blecher; R.S. Lillard This study aimed to determine the optimal heat treatment and build orientation to minimize the susceptibility of additively manufactured (AM) Alloy 625 to crevice corrosion. To accomplish this, metal-to-metal and acrylic-to-metal remote crevice assembly (RCA...

...Yoon-Sik So; Jeong-Min Lim; Nguyen Thuy Chung; Jung-Gu Kim This study aimed to enhance the corrosion resistance of an Al-Mn-Zr alloy containing Fe impurities by using heat-treatment processes. Three processes were implemented to distribute intermetallic particles uniformly, promote Al₆...

.... ^{17 ‡} Corresponding author. E-mail: [email protected] . 10 February 2022 07 July 2022 07 July 2022 © 2022, AMPP 2022 electrochemical impedance spectroscopy heat treatment intergranular corrosion passivity scanning electron microscopy...

... (3DVM, KH-7800 ^† ). For the SEM investigation, the samples were immersed in 3.5 wt% NaCl solution for 30 min. AA2024 heat treatment microstructure pitting corrosion potential difference 2024 aluminum alloys (AA2024) are widely used in aerospace and aeronautic industries...

..., NACE International 2021 heat treatment localized corrosion mill scale rust steel stress corrosion cracking strain-aging S tress corrosion cracking (SCC) has been acknowledged as an integrity risk for oil and gas pipelines since the mid 1960s. ^{1 - 2} In addition...

... corrosion and environmentally assisted cracking (EAC). The origins of AM-unique material features and their hierarchal impact on corrosion and EAC are addressed relative to conventionally processed SS. The effects of starting material, heat treatment, and surface finishing are substantively discussed...

... International 2020 corrosion rate duplex stainless steels heat treatment nitrides phase effects pitting potential Table 1. Chemical Composition of the Tested Duplex Stainless Steels (in mass%) From the cast materials, test samples sized approximately 50 mm × 35 mm × 7 mm were cut...

... production fluid and there is a risk of sulfide stress cracking (SSC). The postweld heat treatment (PWHT) is used to reduce the cracking susceptibility of the F22/625 or 8630/625 dissimilar metal weld (DMW). The effect of PWHT on SSC resistance was investigated using four-point bend tests in a pH buffered...

..., the similarities detailed above suggest that the proposed comparisons will reasonably isolate the grain orientation effect. ^‡ Corresponding author. E-mail: [email protected] . aluminum alloy grain morphology heat treatment intergranular stress corrosion cracking nitric acid mass loss...

...F.N. Afshar; F.D. Tichelaar; A.M. Glenn; P. Taheri; M. Sababi; H. Terryn; J.M.C. Mol This work studies the influence of the microstructure on the corrosion mechanism and susceptibility of as-brazed aluminum sheet. Various microstructures are obtained using post-brazing heat treatments developed...

... heat treatment intergranular stress corrosion cracking nitric acid mass loss sensitization solution heat treatment Three phenomena may complicate the use of dcPD for characterization of IGSCC: (1) localized plasticity may alter local material resistivity, leading to potential voltage...

..., Guindy, Anna University, Chennai 600 025, India. **** 1409 Roper Mountain Road, Greenville, South Carolina 29615. 30 10 2013 5 2 2014 5 2 2014 © 2014 NACE International 2014 austenite corrosion resistance heat treatment steel Deep cryogenic treatment (DCT...

...E.J. Carpintero-Moreno; J.G. Gonzalez-Rodriguez; J. Uruchurtu-Chavarin; I. Rosales; B. Campillo; L. Leduc-Lezama The stress corrosion cracking (SCC) susceptibility of a microalloyed steel under different heat treatments in 3.5% sodium chloride (NaCl) solution with different pH values (3, 7, and 12...

... of Materials Science, Fudan University, Shanghai 200433, P.R. China. corrosion duplex stainless steel heat treatment pit morphology pitting Duplex stainless steels (DSS) are ferritic-austenitic steels with approximately equal volume fractions of ferrite and austenite, offering an attractive...

...P. Majumdar; S.B. Singh; U.K. Chatterjee; M. Chakraborty The corrosion behavior of Ti-35Nb-7.2Zr-5.7Ta (TNZT) and Ti-35Nb-7.2Zr-5.7Ta-0.5B (TNZTB) alloys subjected to different heat treatment conditions was investigated in Hank's solution. Depending on the heat treatment conditions...

... solution. The samples were obtained from casting and forging. Stainless steels were unalloyed and alloyed with about 1 wt% Ti, V, and Nb. The steels were exposed to different heat treatments, but heat treatment was not applied to the first group samples. The second and third group samples were rapidly...

...A. Bhattacharya; P.M. Singh Effect of heat treatments and resulting changes in microstructure on general and localized corrosion susceptibility of lean duplex stainless steel UNS S32101 in caustic and chloride solutions was investigated. Results show that changes in the microstructure (ferrite...