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Unraveling the atomic structure evolution of titanium nitride upon oxidation 揭示氮化钛氧化过程中的原子结构演变
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-18 DOI: 10.1016/j.corsci.2024.112465
Ronghui Hao , Wenkang Miao , Wanyin Xu , Yicheng Lin , Qiling Xiao , Zihan Wang , Qianqian Li , Peng Wang , Tianzhong Wang , Anmin Nie , Jinsong Wu , Hongtao Wang
{"title":"Unraveling the atomic structure evolution of titanium nitride upon oxidation","authors":"Ronghui Hao ,&nbsp;Wenkang Miao ,&nbsp;Wanyin Xu ,&nbsp;Yicheng Lin ,&nbsp;Qiling Xiao ,&nbsp;Zihan Wang ,&nbsp;Qianqian Li ,&nbsp;Peng Wang ,&nbsp;Tianzhong Wang ,&nbsp;Anmin Nie ,&nbsp;Jinsong Wu ,&nbsp;Hongtao Wang","doi":"10.1016/j.corsci.2024.112465","DOIUrl":"10.1016/j.corsci.2024.112465","url":null,"abstract":"<div><div>In this study, state-of-the-art aberration-corrected environmental transmission electron microscopy is utilized to investigate the atomic-scale structural evolution of titanium nitride during dynamic oxidation. Titanium nitride oxidation originates from the migration of Ti atoms along {200} that results in two distinct reaction pathways, characterized by the formation of chains of titanium vacancies and staggered titanium vacancies. We demonstrate that titanium atoms exhibit varied oxidation activity on different crystal facets, with the selection of oxidation pathways significantly influenced by the curvature of the crystal surface, which is also supported by the First Principles Calculations.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112465"},"PeriodicalIF":7.4,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142314291","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
The role of electrode potential in CaCO3 scaling on steel surfaces under cathodic and corrosion conditions 阴极和腐蚀条件下电极电位在钢表面 CaCO3 结垢中的作用
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-18 DOI: 10.1016/j.corsci.2024.112464
Piji Zhang , Lida Wang , Wen Sun , Zhengqing Yang , Wei Gao , Guichang Liu
{"title":"The role of electrode potential in CaCO3 scaling on steel surfaces under cathodic and corrosion conditions","authors":"Piji Zhang ,&nbsp;Lida Wang ,&nbsp;Wen Sun ,&nbsp;Zhengqing Yang ,&nbsp;Wei Gao ,&nbsp;Guichang Liu","doi":"10.1016/j.corsci.2024.112464","DOIUrl":"10.1016/j.corsci.2024.112464","url":null,"abstract":"<div><p>The role of electrode potential in CaCO<sub>3</sub> scaling behavior and kinetics on carbon steel and stainless steel surfaces is investigated through electrochemical tests, surface characterization, and numerical modeling. Under cathodic conditions, calcite is the dominant CaCO<sub>3</sub> polymorph, its lateral growth on steel surfaces follows exponential kinetics. However, under gradually promoted corrosion conditions of carbon steel, the presence of corrosion products induces more aragonite deposition and inhibits the lateral growth of CaCO<sub>3</sub> scale, gradually evolving from exponential to linear kinetics. This work provides further insight into how the cathodic and anodic reactions of steel corrosion respectively promote and inhibit CaCO<sub>3</sub> scaling.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112464"},"PeriodicalIF":7.4,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142272829","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
Interdiffusion mechanism between EB-PVD deposited CoCrAlY bond-coat and superalloy substrate under high-temperature oxidation service conditions in gas turbine 燃气轮机高温氧化服役条件下 EB-PVD 沉积 CoCrAlY 粘接涂层与超耐热合金基材之间的相互扩散机制
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-18 DOI: 10.1016/j.corsci.2024.112463
Junkai Liu , Yuqi Xie , Junhui Luo , Qian Li , Fen Zhao , Li Yang , Yichun Zhou
{"title":"Interdiffusion mechanism between EB-PVD deposited CoCrAlY bond-coat and superalloy substrate under high-temperature oxidation service conditions in gas turbine","authors":"Junkai Liu ,&nbsp;Yuqi Xie ,&nbsp;Junhui Luo ,&nbsp;Qian Li ,&nbsp;Fen Zhao ,&nbsp;Li Yang ,&nbsp;Yichun Zhou","doi":"10.1016/j.corsci.2024.112463","DOIUrl":"10.1016/j.corsci.2024.112463","url":null,"abstract":"<div><p>The interdiffusion mechanism between EB-PVD deposited CoCrAlY coating and superalloy substrate under high-temperature oxidation atmosphere in actual gas turbines was investigated both experimentally and through thermodynamics and kinetics simulation. The interdiffusion behavior differs at different regions of blade due to the different service temperatures. The elemental interdiffusion and phase transformation behavior were investigated and discussed. Needle-like topologically close-packed phase and σ-CrCoNi phase have precipitated within the secondary reaction zone due to the γ→γ’ transition and the uphill diffusion of Cr, W, and Mo. Decreasing the Co content in the MCrAlY bond-coat can inhibit the interdiffusion behavior to a certain extent.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112463"},"PeriodicalIF":7.4,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142272822","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
Consecutive pozzolanic layerings to depress internal-sulfate-attack corrosion of OPC by phosphogypsum-based cold bonded aggregates 磷石膏基冷粘结骨料通过连续喷浆层抑制 OPC 的内硫酸盐侵蚀
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-17 DOI: 10.1016/j.corsci.2024.112458
Gaoshang Ouyang , Tao Sun , Ziyan Wang , Baicong Lu , Minglong Chen , Zhenlin Mo , Liwei Guo
{"title":"Consecutive pozzolanic layerings to depress internal-sulfate-attack corrosion of OPC by phosphogypsum-based cold bonded aggregates","authors":"Gaoshang Ouyang ,&nbsp;Tao Sun ,&nbsp;Ziyan Wang ,&nbsp;Baicong Lu ,&nbsp;Minglong Chen ,&nbsp;Zhenlin Mo ,&nbsp;Liwei Guo","doi":"10.1016/j.corsci.2024.112458","DOIUrl":"10.1016/j.corsci.2024.112458","url":null,"abstract":"<div><p>Phosphogypsum-based cold bonded aggregates (PCBAs), as incorporates excessive soluble sulfate, potentially induce Internal Sulfate Attack (ISA) corrosion to OPC, which severely constrains its utilization and advancement. This work applies consecutive pelletization using pozzolanic layerings (fly ash (FA) and phosphorus slag (PS) basis) for surface modification. The basic, exterior hydration and microstructure properties of PCBAs, as well as the interfacial corrosions of PCBAs-OPC, are investigated via XRD, TG-DTG, X-CT, SEM-EDS, μ-XRD, and nanoindentation technologies. Results indicate the FA and PS layerings block sulfate leaching by 15–30%. When blended with OPC, these layerings capture releasable sulfate within PCBAs exterior via interfacial hydration that also depletes portlandite to generate tighter ITZ. Therefore, the reactive layerings effectively alleviate ISA corrosion via in-front blockage and back-end reaction, as supported by reduced sulfate ingress within 30–40 μm, less degradation products (ettringite and gypsum) formation, and improved hardness of vicinity OPC. The FA-based layering performs slightly poorer due to its lower density causing inefficient consolidation of PCBAs. Consequently in macroscopic, the ISA-inducing fissures of concrete surface are diminished, followed by improved 90-d compressive strength from 36.43 MPa to optimally 48.38 MPa. This study elucidates the rich-gypsum aggregates-type ISA corrosion mechanisms to OPC and proposes an instructive solution using pozzolanic layerings.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112458"},"PeriodicalIF":7.4,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142272825","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
Chemical and structural durability of α-Al2O3 and γ-LiAlO2 layers formed on ODS FeCrAl alloys in liquid lithium lead stirred flow 液态锂铅搅拌流中 ODS FeCrAl 合金上形成的 αAl2O3 和 γ-LiAlO2 层的化学和结构耐久性
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-17 DOI: 10.1016/j.corsci.2024.112459
Masatoshi Kondo , Susumu Hatakeyama , Naoko Oono-Hori , Yoshiki Kitamura , Kan Sakamoto , Teruya Tanaka , Yoshimitsu Hishinuma
{"title":"Chemical and structural durability of α-Al2O3 and γ-LiAlO2 layers formed on ODS FeCrAl alloys in liquid lithium lead stirred flow","authors":"Masatoshi Kondo ,&nbsp;Susumu Hatakeyama ,&nbsp;Naoko Oono-Hori ,&nbsp;Yoshiki Kitamura ,&nbsp;Kan Sakamoto ,&nbsp;Teruya Tanaka ,&nbsp;Yoshimitsu Hishinuma","doi":"10.1016/j.corsci.2024.112459","DOIUrl":"10.1016/j.corsci.2024.112459","url":null,"abstract":"<div><div>The protection performance of an α-Al<sub>2</sub>O<sub>3</sub> layer formed on oxide dispersion-strengthened (ODS) FeCrAl alloys in liquid LiPb flow was investigated by means of the corrosion tests under stirred-flow condition at 873 K for 1000 h. The result of STEM/EELS analysis indicated the Li adsorption and diffusion into α-Al<sub>2</sub>O<sub>3</sub> layer. The ODS FeCrAl alloys in-situ formed a durable γ-LiAlO<sub>2</sub> layer on their bare surface in liquid LiPb. The results of micro scratch tests on the protective layers indicated that they revealed strong resistance against the exfoliation in a shearing direction after the immersion to liquid LiPb.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112459"},"PeriodicalIF":7.4,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0010938X24006541/pdfft?md5=1e6d921993c0b899b72fc5d858939adf&pid=1-s2.0-S0010938X24006541-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142311117","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
Dissolution and intrusion of chloride disrupted biodegradation products to persistently accelerate biodegradation of Fe-based implants 氯化物的溶解和侵入破坏了生物降解产物，从而持续加速了铁基植入物的生物降解
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-17 DOI: 10.1016/j.corsci.2024.112461
Jianzeng Ren , Yulin Jiang , Xuanxin Jin , Zuyun Yan , Wei Tan , Yuejiao Ding , Pengwei Li , Sheng Li
{"title":"Dissolution and intrusion of chloride disrupted biodegradation products to persistently accelerate biodegradation of Fe-based implants","authors":"Jianzeng Ren ,&nbsp;Yulin Jiang ,&nbsp;Xuanxin Jin ,&nbsp;Zuyun Yan ,&nbsp;Wei Tan ,&nbsp;Yuejiao Ding ,&nbsp;Pengwei Li ,&nbsp;Sheng Li","doi":"10.1016/j.corsci.2024.112461","DOIUrl":"10.1016/j.corsci.2024.112461","url":null,"abstract":"<div><p>The biodegradation of Fe is severely limited due to barrier of biodegradation products. Herein, NaCl was introduced into Fe matrix and results demonstrated that NaCl significantly accelerated biodegradation rate of Fe. It was ascribed that (i) NaCl in Fe matrix initially dissolved to produce biodegradation active sites, (ii) Cl<sup>-</sup> with small ionic radii invaded the biodegradation product layer, and (iii) abundant Cl<sup>-</sup> greatly promoted the anode process of Fe biodegradation. Additionally, Fe-NaCl biocomposites also exhibited favorite cytocompatibility. These results demonstrated great potential of NaCl in accelerating the persistent biodegradation of Fe for load-bearing implants.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112461"},"PeriodicalIF":7.4,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142272823","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
Surface treatments on 3D printed Ti6Al4V biomedical plates to enhance corrosion resistance in simulated physiological solutions and under inflammatory conditions 对 3D 打印的 Ti6Al4V 生物医学板材进行表面处理，以增强其在模拟生理溶液和炎症条件下的耐腐蚀性能
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-17 DOI: 10.1016/j.corsci.2024.112451
D. Pupillo , F. Di Franco , D. Palmeri , G. Pollara , G. Buffa , L. Fratini , M. Santamaria
{"title":"Surface treatments on 3D printed Ti6Al4V biomedical plates to enhance corrosion resistance in simulated physiological solutions and under inflammatory conditions","authors":"D. Pupillo ,&nbsp;F. Di Franco ,&nbsp;D. Palmeri ,&nbsp;G. Pollara ,&nbsp;G. Buffa ,&nbsp;L. Fratini ,&nbsp;M. Santamaria","doi":"10.1016/j.corsci.2024.112451","DOIUrl":"10.1016/j.corsci.2024.112451","url":null,"abstract":"<div><p>Ti6Al4V biomedical plates were fabricated by Laser Powder Bed Fusion using different process parameters. A slight influence of the laser energy density on mechanical properties and microstructure was revealed. Chemical etching allowed to make the surface of 3D samples uniform removing also spheres of unfused material. After etching some samples were anodized in calcium acetate and β-glycerolphosphate containing solution to grow a Ca and P containing porous TiO<sub>2</sub> layers. The chemical etching improved the corrosion resistance of the alloy in simulated body fluid, while only after anodizing the alloys resulted to be corrosion resistant under inflammatory and severe inflammatory conditions.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112451"},"PeriodicalIF":7.4,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0010938X24006462/pdfft?md5=1913084cb7d0b9cf2a5a33f0f966ea10&pid=1-s2.0-S0010938X24006462-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142272821","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
Influence of annealing on the CMAS corrosion behaviour of ytterbium disilicate environmental barrier coatings: A Raman imaging study 退火对二硅酸镱环境屏障涂层 CMAS 腐蚀性能的影响：拉曼成像研究
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-16 DOI: 10.1016/j.corsci.2024.112450
Shun Wang , Tao Zheng , Yong Qin , Baosheng Xu , Zelong Wang , Yiguang Wang
{"title":"Influence of annealing on the CMAS corrosion behaviour of ytterbium disilicate environmental barrier coatings: A Raman imaging study","authors":"Shun Wang ,&nbsp;Tao Zheng ,&nbsp;Yong Qin ,&nbsp;Baosheng Xu ,&nbsp;Zelong Wang ,&nbsp;Yiguang Wang","doi":"10.1016/j.corsci.2024.112450","DOIUrl":"10.1016/j.corsci.2024.112450","url":null,"abstract":"<div><div>The study examined the CMAS corrosion behaviour of ytterbium disilicate EBCs using Raman imaging before and after annealing. Annealing transformed the coatings to crystalline, healing pores and cracks, and reducing corrosion depth and rate. Raman spectroscopy showed increased residual stresses with corrosion time, while sprayed coatings had lower stresses and higher susceptibility to damage. This research enhances the use of Raman spectroscopy in non-destructively characterizing EBCs degradation under CMAS conditions, offering insights for aeroengine combustion chamber design improvements.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112450"},"PeriodicalIF":7.4,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142311116","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
High-throughput screening of green amino acid and surfactant mixtures with high corrosion inhibition efficiency: Experimental and modelling perspectives 高通量筛选具有高缓蚀效率的绿色氨基酸和表面活性剂混合物：实验与建模视角
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-16 DOI: 10.1016/j.corsci.2024.112460
Xin Guo , Xiaolun Ding , Yaxin Wang , Jinke Wang , Weimin Tan , Yiran Li , Zhibin Chen , Zongbao Li , Weiting Chen , Lingwei Ma , Dawei Zhang
{"title":"High-throughput screening of green amino acid and surfactant mixtures with high corrosion inhibition efficiency: Experimental and modelling perspectives","authors":"Xin Guo ,&nbsp;Xiaolun Ding ,&nbsp;Yaxin Wang ,&nbsp;Jinke Wang ,&nbsp;Weimin Tan ,&nbsp;Yiran Li ,&nbsp;Zhibin Chen ,&nbsp;Zongbao Li ,&nbsp;Weiting Chen ,&nbsp;Lingwei Ma ,&nbsp;Dawei Zhang","doi":"10.1016/j.corsci.2024.112460","DOIUrl":"10.1016/j.corsci.2024.112460","url":null,"abstract":"<div><p>A high-throughput screening method is developed for rapid evaluation of corrosion inhibitors. By employing a fluorometric technique, this method quickly assesses the concentration of iron ions converted from corrosion products in the reaction pool to rapidly evaluate the corrosion inhibition performance of amino acid and surfactants. Utilizing this high-throughput screening platform, the corrosion inhibition effects of L-cysteine mixed with quaternary ammonium salts of different alkyl chain length were evaluated, and their optimal mixing ratios were determined. Through corrosion experiments and molecular simulations, the synergistic mechanisms of the inhibitor mixtures are revealed.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112460"},"PeriodicalIF":7.4,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142239870","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
Role of Te-RE alloying on the passive film and pitting corrosion behavior of 316L stainless steel Te-RE 合金对 316L 不锈钢被动膜和点蚀行为的影响
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-09-16 DOI: 10.1016/j.corsci.2024.112457
Zhichao Che , Reynier I. Revilla , Can Li , Jing Liu , Wei Liu , Benny Wouters , Kristof Marcoen , Xuequn Cheng , Chao Liu , Xiaogang Li
{"title":"Role of Te-RE alloying on the passive film and pitting corrosion behavior of 316L stainless steel","authors":"Zhichao Che ,&nbsp;Reynier I. Revilla ,&nbsp;Can Li ,&nbsp;Jing Liu ,&nbsp;Wei Liu ,&nbsp;Benny Wouters ,&nbsp;Kristof Marcoen ,&nbsp;Xuequn Cheng ,&nbsp;Chao Liu ,&nbsp;Xiaogang Li","doi":"10.1016/j.corsci.2024.112457","DOIUrl":"10.1016/j.corsci.2024.112457","url":null,"abstract":"<div><p>This work reports the mechanism of corrosion resistance enhancement of 316 L stainless steel after Te-RE alloying. The individual MnS inclusions are replaced by composite inclusions, resulting in a reduced risk of pitting corrosion. The decrease of inclusion amount and Volta potential difference between inclusion and matrix induced by the addition of Te/La promoted the stability of the inclusions and lessened the active sites for pitting corrosion. TeO<sub>2</sub> formed in the passive film with Te treatment could be easily reduced by Cr and Mo, and resulting in a significant increasing of MoO<sub>2</sub> and Cr<sub>2</sub>O<sub>3</sub> content in the passive film. This enhanced the stability of the passive film. Te and RE exhibited a synergistic effect on the increase of Cr and Mo in the passive film, resulting in a further improvement of the passive film. However, RE could not exist in the passive film stably due to its poor thermodynamic stability of the rare earth oxides, and only acted as a bridge for the formation of Cr and Mo oxides.</p></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"240 ","pages":"Article 112457"},"PeriodicalIF":7.4,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142239869","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
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