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Oxide pegs improved α-Al2O3 scale adhesion on aluminide coatings
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-20 DOI: 10.1016/j.corsci.2025.112809
Guo-Hui Meng, Pei-Pei Gui, Shan-Shan Li, Ya-Nan Wang, Ming-Yang Zhang, Kai-Yu Guo, Mei-Jun Liu, Guan-Jun Yang
{"title":"Oxide pegs improved α-Al2O3 scale adhesion on aluminide coatings","authors":"Guo-Hui Meng,&nbsp;Pei-Pei Gui,&nbsp;Shan-Shan Li,&nbsp;Ya-Nan Wang,&nbsp;Ming-Yang Zhang,&nbsp;Kai-Yu Guo,&nbsp;Mei-Jun Liu,&nbsp;Guan-Jun Yang","doi":"10.1016/j.corsci.2025.112809","DOIUrl":"10.1016/j.corsci.2025.112809","url":null,"abstract":"<div><div>This study aimed to improve the adhesion of α-Al<sub>2</sub>O<sub>3</sub> scale on aluminide coatings. Precipitation heat treatment at 1100°C in an inert atmosphere led to the formation of HfO<sub>2</sub> pegs on the coating surface. These pegs penetrated deep into the coating, mechanically anchoring the α-Al<sub>2</sub>O<sub>3</sub> scale and significantly improving its adhesion. The heat-treated coating exhibited reduced scale spallation and enhanced oxidation resistance. The formation of HfO<sub>2</sub> pegs was attributed to the surface oxidation of Hf segregated from the superalloy substrate to the coating surface. The surface segregation of Hf also contributed to a reduction in the growth rate of α-Al<sub>2</sub>O<sub>3</sub> scale, thereby helping to prevent scale spallation.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"249 ","pages":"Article 112809"},"PeriodicalIF":7.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143508757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regulating π-π interactions in carbon dots via N-doping & ionic liquid modification for enhanced efficiency in 1 M HCl 通过 N 掺杂和离子液体改性调节碳点中π-π 的相互作用，提高在 1 M HCl 中的效率
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-20 DOI: 10.1016/j.corsci.2025.112798
Fengting Li , Wentao Qu , Yunchao Peng , Liqiang Yang , Li Wang , Huiling Su , Miantuo Li , Zhikun Wang , Jingyue Wang , Yu Fu , Songqing Hu
{"title":"Regulating π-π interactions in carbon dots via N-doping & ionic liquid modification for enhanced efficiency in 1 M HCl","authors":"Fengting Li ,&nbsp;Wentao Qu ,&nbsp;Yunchao Peng ,&nbsp;Liqiang Yang ,&nbsp;Li Wang ,&nbsp;Huiling Su ,&nbsp;Miantuo Li ,&nbsp;Zhikun Wang ,&nbsp;Jingyue Wang ,&nbsp;Yu Fu ,&nbsp;Songqing Hu","doi":"10.1016/j.corsci.2025.112798","DOIUrl":"10.1016/j.corsci.2025.112798","url":null,"abstract":"<div><div>In this study, we developed ionic liquid-modified nitrogen-doped carbon dots (IL-NCDs) with enhanced π-π interactions, effectively addressing the aggregation issue of conventional carbon dots in strong acidic conditions. The synthesized IL-NCDs demonstrated superior dispersibility and long-term protective performance in 1 M HCl, achieving a corrosion inhibition efficiency of 97.34 % at 60 mg/L and maintaining protection for over 20 days. The optimized surface charge and increased active sites facilitated the formation of a dense protective film, offering an efficient and eco-friendly solution for metal corrosion protection in acidic environments, with significant potential for industrial applications.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112798"},"PeriodicalIF":7.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143474502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of tensile elastic stress on the electrochemical passivation behaviour of cold-rolled 2205 duplex stainless steel
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-20 DOI: 10.1016/j.corsci.2025.112794
Wenhui Ye , Puren Liu , Dongyang Li , Lining Xu , Lijie Qiao
{"title":"Effect of tensile elastic stress on the electrochemical passivation behaviour of cold-rolled 2205 duplex stainless steel","authors":"Wenhui Ye ,&nbsp;Puren Liu ,&nbsp;Dongyang Li ,&nbsp;Lining Xu ,&nbsp;Lijie Qiao","doi":"10.1016/j.corsci.2025.112794","DOIUrl":"10.1016/j.corsci.2025.112794","url":null,"abstract":"<div><div>The study investigates the effect of cold-rolling on the electrochemical behavior of 2205 stainless steel under tensile elastic stress (TES) using in-situ electrochemical measurements. The results reveal that TES accelerates the corrosion sensitivity of 2205 stainless steel, with the open-circuit-potential(OCP) first decreasing and then increasing as the degree of cold-rolling increases. For the 40 % cold-rolling sample under TES, the OCP decreases by 53 % compared to the unstressed state, showing the highest corrosion sensitivity. When the cold-rolling deformation reaches 70 %, the OCP decreases by 38 %, and the dislocation-cell-structure alleviates the elastic stress effect on the corrosion sensitivity of stainless steel.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112794"},"PeriodicalIF":7.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel understanding of dislocation density effect on the corrosion resistance of 316L stainless steel with passive film nucleation growth kinetic calculation
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-20 DOI: 10.1016/j.corsci.2025.112810
Zhichao Che , Hui Xue , Jing Liu , Xun Zhou , Wei Liu , Shufeng Yang , Yuzhou Du , Xuequn Cheng , Xiaogang Li , Chao Liu
{"title":"A novel understanding of dislocation density effect on the corrosion resistance of 316L stainless steel with passive film nucleation growth kinetic calculation","authors":"Zhichao Che ,&nbsp;Hui Xue ,&nbsp;Jing Liu ,&nbsp;Xun Zhou ,&nbsp;Wei Liu ,&nbsp;Shufeng Yang ,&nbsp;Yuzhou Du ,&nbsp;Xuequn Cheng ,&nbsp;Xiaogang Li ,&nbsp;Chao Liu","doi":"10.1016/j.corsci.2025.112810","DOIUrl":"10.1016/j.corsci.2025.112810","url":null,"abstract":"<div><div>This work illustrates the relationship between dislocation density and corrosion resistance of 316L stainless steel based on passive film nucleation growth kinetics calculations. Contrary to previous reports, the increase in high dislocation density zones is an important feature associated with the passivation behaviour of stainless steel. With the expansion of the high dislocation density region, the passivation current density decreases from 1.48 × 10<sup>−5</sup> A·cm<sup>−2</sup> to 1.35 × 10<sup>−7</sup> A·cm<sup>−2</sup>, and the corrosion resistance of the stainless steel increases. The results of TEM showed that the thickness of the passive film increased from 3 ∼ 4 nm to 6 ∼ 7 nm after 72 h of immersion after the dislocation density was increased. Based on the laboratory results, a theoretical validation was carried out by means of a computational model of passive film nucleation and growth kinetics. The results show that the number of nucleation sites can be increased by increasing the dislocation density, resulting in faster passive film growth. Te and La improve the stability of the passive film mainly by hindering the dissolution of the elements. La does not exist stably in the passive film but can be preferentially deposited to increase the nucleation sites to promote the growth of the passive film.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112810"},"PeriodicalIF":7.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143464011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synergistic microbial interactions and electrochemical mechanisms driving microbiologically influenced corrosion in offshore platform produced seawater at 60 °C
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-20 DOI: 10.1016/j.corsci.2025.112797
Boxin Wei , Zheng Cai , Mengchao Niu , Jin Xu , Bokai Liao , Tangqing Wu , Changkun Yu , Cheng Sun
{"title":"Synergistic microbial interactions and electrochemical mechanisms driving microbiologically influenced corrosion in offshore platform produced seawater at 60 °C","authors":"Boxin Wei ,&nbsp;Zheng Cai ,&nbsp;Mengchao Niu ,&nbsp;Jin Xu ,&nbsp;Bokai Liao ,&nbsp;Tangqing Wu ,&nbsp;Changkun Yu ,&nbsp;Cheng Sun","doi":"10.1016/j.corsci.2025.112797","DOIUrl":"10.1016/j.corsci.2025.112797","url":null,"abstract":"<div><div>This study investigated microbiologically influenced corrosion (MIC) of steel in offshore produced seawater at 60 °C. Microbial community analysis identified <em>Desulfomicrobium</em> and <em>Methanosarcinaceae</em> as the dominant microbial genera. Corrosion analyses revealed that <em>Desulfomicrobium</em> reduced sulfate to H₂S, while methanogens utilized carbon dioxide to produce methane, collectively driving MIC. After 14 days, corrosion weight loss reached 0.32 ± 0.023 mm y⁻¹ , with pitting depths up to 29 µm, indicating severe pitting corrosion. The corrosion products exhibited a double-layer structure, promoting microbial colonization and ion transport. These findings highlight the pivotal role of microbial activity in accelerating steel corrosion under real-world conditions.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112797"},"PeriodicalIF":7.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combination of Cr-Cu-bearing pipeline steel and novel biocides as a strategy to combat microbiologically influenced corrosion
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-20 DOI: 10.1016/j.corsci.2025.112807
Yalin Wu , Zhilin Li , Di Wang , Zehong Tian , Bei Liu , Zishuai Zhou , Tingyue Gu , Fuhui Wang , Dake Xu
{"title":"Combination of Cr-Cu-bearing pipeline steel and novel biocides as a strategy to combat microbiologically influenced corrosion","authors":"Yalin Wu ,&nbsp;Zhilin Li ,&nbsp;Di Wang ,&nbsp;Zehong Tian ,&nbsp;Bei Liu ,&nbsp;Zishuai Zhou ,&nbsp;Tingyue Gu ,&nbsp;Fuhui Wang ,&nbsp;Dake Xu","doi":"10.1016/j.corsci.2025.112807","DOIUrl":"10.1016/j.corsci.2025.112807","url":null,"abstract":"<div><div>Microbiologically influenced corrosion (MIC) caused by anaerobic <em>Desulfovibrio vulgaris</em> and aerobic <em>Bacillus licheniformis</em> was inhibited by an advanced Cr-Cu-bearing pipeline steel combined with bifunctional biocide rosin thiourea iminazole quaternary ammonium salt (RTIQAS) and antibacterial silver nanoparticles (Ag NPs). The combination of Cr-Cu-bearing steel with 50 ppm RTIQAS and 50 ppm Ag NPs achieved 99 % and 82 % reductions in <em>i</em><sub>corr</sub>, and more than 99 % and 88 % reductions in weight loss, caused by <em>D. vulgaris</em> and <em>B. licheniformis</em>, respectively, compared to untreated X80 carbon steel. This work provides a promising multi-faceted strategy for MIC prevention using advanced steel with eco-friendly biocides.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112807"},"PeriodicalIF":7.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143488335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toward understanding the microbiologically induced crevice corrosion of 90/10 Cu-Ni alloy in the presence of Desulfovibrio vulgaris
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-19 DOI: 10.1016/j.corsci.2025.112802
Yanan Pu , Zihao Guo , Su Hou , Yue Hou , Congrui Zhu , Fan Feng , Hongbo Zeng , Shougang Chen
{"title":"Toward understanding the microbiologically induced crevice corrosion of 90/10 Cu-Ni alloy in the presence of Desulfovibrio vulgaris","authors":"Yanan Pu ,&nbsp;Zihao Guo ,&nbsp;Su Hou ,&nbsp;Yue Hou ,&nbsp;Congrui Zhu ,&nbsp;Fan Feng ,&nbsp;Hongbo Zeng ,&nbsp;Shougang Chen","doi":"10.1016/j.corsci.2025.112802","DOIUrl":"10.1016/j.corsci.2025.112802","url":null,"abstract":"<div><div>The susceptibility of 90/10 Cu-Ni alloy to crevice corrosion induced by <em>Desulfovibrio vulgaris</em> was investigated using a custom-designed crevice structure device under varying media conditions. There was no crevice corrosion in 20 % carbon source (CS) medium inoculated with <em>D. vulgaris</em>, whereas noticeable crevice corrosion occurred in 100 % CS <em>D. vulgaris</em> medium. The uneven distribution of <em>D. vulgaris</em> biofilms between the crevice interior and exterior resulted in localized variations in cathodic species concentration and electrochemical potentials, identified as key factors driving and accelerating crevice corrosion. The deceleration of crevice corrosion in the later stages was attributed to a decline in electrochemical driving force, likely caused by the diminished metabolic activity of <em>D. vulgaris</em>.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112802"},"PeriodicalIF":7.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143464012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A bimodified MgAlCe-LDHs@GO self-healing anti-corrosion coating based on the micro arc oxidation coating of AZ31 magnesium alloy
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-19 DOI: 10.1016/j.corsci.2025.112805
Zuojun Jiao , Yan Zhou , Xiaowei Dai , Jiahao Wu , Yonghua Chen , Mingyi Wu , Wenhui Yao , Yuan Yuan , Zhihui Xie , Yanlong Ma , Atrens Andrej , Liang Wu
{"title":"A bimodified MgAlCe-LDHs@GO self-healing anti-corrosion coating based on the micro arc oxidation coating of AZ31 magnesium alloy","authors":"Zuojun Jiao ,&nbsp;Yan Zhou ,&nbsp;Xiaowei Dai ,&nbsp;Jiahao Wu ,&nbsp;Yonghua Chen ,&nbsp;Mingyi Wu ,&nbsp;Wenhui Yao ,&nbsp;Yuan Yuan ,&nbsp;Zhihui Xie ,&nbsp;Yanlong Ma ,&nbsp;Atrens Andrej ,&nbsp;Liang Wu","doi":"10.1016/j.corsci.2025.112805","DOIUrl":"10.1016/j.corsci.2025.112805","url":null,"abstract":"<div><div>To obtain magnesium (Mg) alloys with long-term corrosion resistance, coatings with enhanced stability and self-healing effect are necessary. This study in-situ produced a layered double hydroxides (LDHs) coating using hydrothermal method to process the cerium salt treated micro arc oxidation (MAO) coating in sodium dodecylbenzene sulfonate (SDBS)-modified graphene oxide (GO) solution (MgAlCe-LDHs@GO-SDBS), and further introduced 3,5-dinitrosalicylic (D) acid and quinolizic acid (Q) via anion-exchange method. The multiple effects of Ce, GO-SDBS, and corrosion inhibitors significantly enhanced the coatings’ anti-corrosive and self-healing performance. The MgAlCe-LDHs@GO-S&amp;D coating possessed significantly decreased corrosion current density of 3.6 × 10<sup>−9</sup> A·cm<sup>−2</sup>.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112805"},"PeriodicalIF":7.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topographical and statistical studies of the corrosion damage underneath a sulfide film formed on a Cu surface
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-18 DOI: 10.1016/j.corsci.2025.112801
J. Chen , X. Pan , H.Y. Nie , B. Kobe , E. Bergendal , C. Lilja , M. Behazin , D.W. Shoesmith , J.J. Noël
{"title":"Topographical and statistical studies of the corrosion damage underneath a sulfide film formed on a Cu surface","authors":"J. Chen ,&nbsp;X. Pan ,&nbsp;H.Y. Nie ,&nbsp;B. Kobe ,&nbsp;E. Bergendal ,&nbsp;C. Lilja ,&nbsp;M. Behazin ,&nbsp;D.W. Shoesmith ,&nbsp;J.J. Noël","doi":"10.1016/j.corsci.2025.112801","DOIUrl":"10.1016/j.corsci.2025.112801","url":null,"abstract":"<div><div>Damage to Cu corroded in sulfide-containing solutions was investigated using scanning electron microscopy and surface profilometry. For dilute sulfide solutions (≤ 5 × 10<sup>−5</sup> M), a thin, porous film was formed, and general corrosion to a depth of &lt; 1 μm observed. At a higher concentration (5 × 10<sup>−4</sup> M), a compact film was formed and micro-galvanic corrosion observed. With increasing exposure time at higher concentration, the extent of micro-galvanic corrosion decreased in favor of general corrosion, as the aspect ratio of the locally corroded sites increased. This indicates that micro-galvanic corrosion will eventually be stifled and only rough general corrosion observed.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112801"},"PeriodicalIF":7.4,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143464015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of ageing temperature on the microstructure and localised corrosion of 15–5PH stainless steel
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-02-18 DOI: 10.1016/j.corsci.2025.112800
Alyshia Keogh , Emily Aradi , Mark Taylor , Anthony Cook , Ed Pickering , Zacharie Obadia , Philip Prangnell , Fabio Scenini
{"title":"Effect of ageing temperature on the microstructure and localised corrosion of 15–5PH stainless steel","authors":"Alyshia Keogh ,&nbsp;Emily Aradi ,&nbsp;Mark Taylor ,&nbsp;Anthony Cook ,&nbsp;Ed Pickering ,&nbsp;Zacharie Obadia ,&nbsp;Philip Prangnell ,&nbsp;Fabio Scenini","doi":"10.1016/j.corsci.2025.112800","DOIUrl":"10.1016/j.corsci.2025.112800","url":null,"abstract":"<div><div>The effect of microstructure on the localised corrosion resistance of 15–5PH stainless steel was investigated as a function of ageing temperature (450°C, 540°C and 650°C). Microstructural characterisation revealed an increase in reverted austenite content for samples aged at 650°C. Cu precipitates increased in size with ageing temperature. Cr carbides were observed in samples aged at 540°C, and in samples aged at 650°C with a greater size and number density. Potentiodynamic Polarisation (PDP) and Double-Loop Electrochemical Potentiokinetic Reactivation (DL-EPR) were used to determine the Pitting Potential (E<sub>pit</sub>) and the Degree Of Reactivation (DOR) at each ageing temperature, respectively. The scatter in the measured E<sub>pit</sub> values was too large to confidently rank pitting susceptibility as a function of ageing temperature. However, it was found that the DOR increased with ageing temperature; this increase correlated with an increase in density of Cr carbides in the microstructure at an ageing temperatures of 540°C and the formation of reverted austenite at 650 °C. These heat treatment induced changes resulted in the distribution of Cr in the microstructure becoming less homogeneous as the ageing temperature increased, leading to a likely increase in the number of susceptible sites for localised corrosion by disruption of the integrity of the passive film.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"248 ","pages":"Article 112800"},"PeriodicalIF":7.4,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143464010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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