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Unravelling the impact of palladium on ruthenium-induced corrosion of SiC coatings in TRISO particles 揭示钯对 TRISO 粒子中钌诱导的碳化硅涂层腐蚀的影响
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-28 DOI: 10.1016/j.corsci.2024.112545
Kerui Wei , Junquan Lao , Han Liu , João P. Martins , Huatang Cao , Ching-Shiuan Lin , Yurou Lei , Zhiquan Kho , Alexander Eggeman , Xuzhao Liu , Matthew Smith , Philip J. Withers , Ping Xiao
{"title":"Unravelling the impact of palladium on ruthenium-induced corrosion of SiC coatings in TRISO particles","authors":"Kerui Wei ,&nbsp;Junquan Lao ,&nbsp;Han Liu ,&nbsp;João P. Martins ,&nbsp;Huatang Cao ,&nbsp;Ching-Shiuan Lin ,&nbsp;Yurou Lei ,&nbsp;Zhiquan Kho ,&nbsp;Alexander Eggeman ,&nbsp;Xuzhao Liu ,&nbsp;Matthew Smith ,&nbsp;Philip J. Withers ,&nbsp;Ping Xiao","doi":"10.1016/j.corsci.2024.112545","DOIUrl":"10.1016/j.corsci.2024.112545","url":null,"abstract":"<div><div>Ru and Pd are fission products released through SiC layer in TRISO fuel at high temperature. This study investigates the corrosion behaviour of Ru-Pd on SiC layers of tri-structural isotropic (TRISO) particles. Specifically, it explores the effects of Pd (strongly reactive FP) on Ru (weakly reactive FP)-induced corrosion. In Pd-Ru/SiC systems, a Ru-Pd-Si liquid phase forms at high temperatures even with minimal Pd, accelerating corrosion along SiC grain boundaries. Comparing Pd’s role in Ru/SiC and Ag/SiC systems underscores the importance of liquid phases in FP migration. A novel approach is proposed for predicting the corrosion effects of multiple FPs on SiC through enthalpic interaction analysis.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112545"},"PeriodicalIF":7.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142663723","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
Insight into the oxidation behavior and excellent internal oxidation and nitridation resistance of Fe71.5-x(Ni, Cr, Ti)28.5Alx complex concentrated alloys by advanced characterization 通过高级表征深入了解 Fe71.5-x(Ni,Cr,Ti)28.5Alx 复合浓缩合金的氧化行为和优异的抗内部氧化和氮化性能
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-28 DOI: 10.1016/j.corsci.2024.112544
Jiang Ju , Yimeng Zhao , Zhao Shen , Kai Chen , Bo Xiao , Xia Li , Dongqing Qi , Yilu Zhao , Jun Wang , Baode Sun , Tao Yang
{"title":"Insight into the oxidation behavior and excellent internal oxidation and nitridation resistance of Fe71.5-x(Ni, Cr, Ti)28.5Alx complex concentrated alloys by advanced characterization","authors":"Jiang Ju ,&nbsp;Yimeng Zhao ,&nbsp;Zhao Shen ,&nbsp;Kai Chen ,&nbsp;Bo Xiao ,&nbsp;Xia Li ,&nbsp;Dongqing Qi ,&nbsp;Yilu Zhao ,&nbsp;Jun Wang ,&nbsp;Baode Sun ,&nbsp;Tao Yang","doi":"10.1016/j.corsci.2024.112544","DOIUrl":"10.1016/j.corsci.2024.112544","url":null,"abstract":"<div><div>For precipitate-strengthened alloys, the decomposition of the precipitates at the subsurface during high-temperature oxidation is detrimental to mechanical properties. In this study, we adjusted Al concentrations in Fe<sub>71.5-x</sub>(Ni, Cr, Ti)<sub>28.5</sub>Al<sub>x</sub> (x = 8, 12, and 16 at%) complex concentrated alloys (CCAs) to precipitate elongated cuboidal L2<sub>1</sub> with higher density and Al concentration, as well as reduced inter-precipitate spacing. This is more conducive to the rapid diffusion of Al to the matrix and grain boundaries, promoting the formation of a continuous and compact Al<sub>2</sub>O<sub>3</sub> layer with random crystallographic orientation at 800 °C in air. This not only inhibits the further decomposition of the L2<sub>1</sub> phase but also avoids internal oxidation and nitridation.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112544"},"PeriodicalIF":7.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552456","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
Interaction of combinations of Zn and Sn in different forms with Cr-Al-B MAB phase 不同形式的 Zn 和 Sn 组合与 Cr-Al-B MAB 相的相互作用
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-28 DOI: 10.1016/j.corsci.2024.112547
Xianman Zhang , Baichuan Liu , Qi Hu , Zhenhai Zheng , Hongfeng Luo , Zicheng Ling , Juan Wang
{"title":"Interaction of combinations of Zn and Sn in different forms with Cr-Al-B MAB phase","authors":"Xianman Zhang ,&nbsp;Baichuan Liu ,&nbsp;Qi Hu ,&nbsp;Zhenhai Zheng ,&nbsp;Hongfeng Luo ,&nbsp;Zicheng Ling ,&nbsp;Juan Wang","doi":"10.1016/j.corsci.2024.112547","DOIUrl":"10.1016/j.corsci.2024.112547","url":null,"abstract":"<div><div>MAB/MAX phases with high corrosion resistances have gained significant attention because of their promising in energy and catalysis applications. Sn/Zn whisker could grow on these Sn/Zn-containing MAB phase solid solutions as reported in our previous work. Herein, a comprehensive investigation on the effects of the combinations of Zn and Sn in different forms (atom during hot-dip aluminizing and cation during immersion in molten chloride salt) on the microstructure and whisker growth on the hot-dip aluminized coating on Fe-Cr-B cast steel was conducted by hot-dip aluminizing-thermal diffusion treatment, and immersion in molten chloride salts. We demonstrated that all the interactions of the combinations of Zn and Sn in different forms (atom and cation) with the Cr-Al-B MAB phases could partially replace the Al atoms in the Cr-Al-B MAB phases contained in the periodic layered structure, leading to the formation of the corresponding Cr-Al-B MAB phase solid solutions and the spontaneous growth of whiskers. The replacement ability during immersion in molten chloride salt was stronger than that during hot-dip aluminizing under the driving force of formation of the volatile chlorides (like AlCl<sub>3</sub>). The replacement ability of Zn and Sn in different forms as they substituted the Al atoms in the Cr-Al-B MAB phase was in the order: Sn<sup>2+</sup>＞Zn<sup>2+</sup>＞Sn＞Zn. Sn facilitates the formation of Zn vacancy, which promoted that whisker with complex compositions (head being Zn and body being Sn and head being Sn and body being Zn) grew on the Cr-(Al, Sn, Zn)-B MAB phase solid solution. The matter source to feed the growth of whisker played a key role in the spontaneous growth of whisker under the both mechanisms of diffusion and stress. Our work would expand the MAB phase family and tailor the growth of whisker, also enrich the theory on the growth of whisker on the MAB/MAX phase.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112547"},"PeriodicalIF":7.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552457","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
Insights into corrosion mechanism of FeCrAlY coating in oxygen-poor static and flowing LBE 贫氧静态和流动 LBE 中 FeCrAlY 涂层腐蚀机理的启示
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-28 DOI: 10.1016/j.corsci.2024.112546
Mingyang Zhou , Wei Zhang , Jiuguo Deng , Ziyao Long , Yilong Zhong , Rongshuo Wang , Hao Liu , Yudong Li , Xin Li , Jijun Yang
{"title":"Insights into corrosion mechanism of FeCrAlY coating in oxygen-poor static and flowing LBE","authors":"Mingyang Zhou ,&nbsp;Wei Zhang ,&nbsp;Jiuguo Deng ,&nbsp;Ziyao Long ,&nbsp;Yilong Zhong ,&nbsp;Rongshuo Wang ,&nbsp;Hao Liu ,&nbsp;Yudong Li ,&nbsp;Xin Li ,&nbsp;Jijun Yang","doi":"10.1016/j.corsci.2024.112546","DOIUrl":"10.1016/j.corsci.2024.112546","url":null,"abstract":"<div><div>In this research, FeCrAlY coatings were subjected to corrosion testing at temperatures between 550 and 600 ℃ in an oxygen-depleted static and flowing LBE. The results demonstrated that the prepared coatings had a dense structure and were firmly bonded to the substrate. The flowing LBE (lead-bismuth eutectic) hastened corrosion, causing the oxide scale to evolve from a compact two-layer structure to a more porous three-layer structure. The LBE corrosion results in a degradation of the coating's bonding performance. The intrinsic processes that drive the transformation of the coating's microstructure and its performance were elucidated.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112546"},"PeriodicalIF":7.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552984","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
Uncovering the electrochemical stability and corrosion reaction pathway of Mg (0001) surface: Insight from first-principles calculation 揭示镁（0001）表面的电化学稳定性和腐蚀反应途径：第一原理计算的启示
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-26 DOI: 10.1016/j.corsci.2024.112524
Bingxin Li , Nicholas M. Harrison , Andrew P. Horsfield
{"title":"Uncovering the electrochemical stability and corrosion reaction pathway of Mg (0001) surface: Insight from first-principles calculation","authors":"Bingxin Li ,&nbsp;Nicholas M. Harrison ,&nbsp;Andrew P. Horsfield","doi":"10.1016/j.corsci.2024.112524","DOIUrl":"10.1016/j.corsci.2024.112524","url":null,"abstract":"<div><div>An understanding of the anomalously enhanced hydrogen evolution reaction (HER) of magnesium (Mg) under anodic polarisation in aqueous corrosion is paramount for a predictive theory of its corrosion and metal electrocatalysis. Previous theoretical and experimental studies have proposed that sub-surface hydride phases play a role in this behaviour but the underlying atomic mechanisms remain unclear. By constructing theoretical surface Pourbaix diagrams, based on density functional theory (DFT) calculations, we have identified the atomic structure of a sub-surface hydride phase on the Mg (0001) surface that remains electrochemically stable under significant anodic overpotentials across a wide pH range. Specifically, this stability persists up to 0.38 <span><math><msub><mrow><mi>V</mi></mrow><mrow><mi>SHE</mi></mrow></msub></math></span> under mildly alkaline conditions (e.g., pH = 8), thus providing thermodynamic support for the proposed hydride-enhanced HER under anodic conditions. Reaction barrier analysis establishes that the proposed sub-surface hydride phase could promote anodic HER via a Heyrovsky pathway, based on hydrogen outward diffusion, with an energy barrier of 1.54 eV as the rate-limiting step, showing an anodic characteristic and significantly favouring external anodic polarisation. Furthermore, we have established that the surface adsorption condition, contingent on both the pH and potential, significantly influences the mechanism and kinetics of the initial corrosion of Mg.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112524"},"PeriodicalIF":7.4,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142663725","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
Corrosion fatigue crack propagation behaviour in different micro-regions of steel/aluminum laser-MIG hybrid fusion-brazed joints 钢/铝激光-MIG 混合熔融钎焊接头不同微区的腐蚀疲劳裂纹扩展行为
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-26 DOI: 10.1016/j.corsci.2024.112536
Ruilin Liu , Yunqi Liu , Jingzhen Kuang , Xiaoli Che , Yuanxing Li , Zongtao Zhu
{"title":"Corrosion fatigue crack propagation behaviour in different micro-regions of steel/aluminum laser-MIG hybrid fusion-brazed joints","authors":"Ruilin Liu ,&nbsp;Yunqi Liu ,&nbsp;Jingzhen Kuang ,&nbsp;Xiaoli Che ,&nbsp;Yuanxing Li ,&nbsp;Zongtao Zhu","doi":"10.1016/j.corsci.2024.112536","DOIUrl":"10.1016/j.corsci.2024.112536","url":null,"abstract":"<div><div>Evaluating corrosion fatigue crack propagation (CFCP) behaviour in different micro-regions of steel/aluminium welded joints is crucial for ensuring the safety and reliability of these joints in service environments. However, the CFCP behaviour of steel/aluminum welded joints has rarely been studied. This study explores the CFCP behaviour of steel/aluminium laser-metal inert gas hybrid fusion-brazed joints in different micro-regions under a simulated corrosive environment (3.5 wt% NaCl solution) at room temperature. A self-made 5 KN electronic servo testing machine was used to apply a sinusoidal wave load (stress ratio R = 0.1, frequency = 0.5 Hz) to single-edge notched tensile specimens. The notches were located at the weld, heat-affected zone (HAZ) and steel/aluminium interface (abbreviated as interface). The fatigue crack propagation rate (da/dN) of different micro-regions in steel/aluminium welded joints followed the order of interface &gt; weld &gt; HAZ under corrosive environment and air conditions. Compared with air, the corrosive environment triggered a markedly higher da/dN, irrespective of notch location at the weld, HAZ or interface. This accelerated da/dN resulted from the combined effects of anodic dissolution, chloride ions and galvanic corrosion. The electron backscatter diffraction results indicated that compared with the weld and HAZ specimens, the HAZ specimen exhibited lower da/dN, attributed to its small grains, higher proportion of high-angle grain boundaries and increased geometrically necessary dislocation density. Fatigue striations were clearly observed on the weld and HAZ fracture surfaces, while a brittle fracture pattern was observed on the corrosion fatigue fracture surface for the interface.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112536"},"PeriodicalIF":7.4,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142587233","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
New insight on the formation of uneven oxide scales on AFA steel in supercritical CO2: Roles of recrystallization degree on the high temperature corrosion resistance 超临界二氧化碳中 AFA 钢上不均匀氧化物鳞片形成的新发现再结晶程度对高温耐腐蚀性的影响
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-24 DOI: 10.1016/j.corsci.2024.112540
Qiyin Zhou , Jianye Chen , Huigang Shi , Lefu Zhang , Yanping Huang , Gen Zhang , Yongfu Zhao , Xianglong Guo
{"title":"New insight on the formation of uneven oxide scales on AFA steel in supercritical CO2: Roles of recrystallization degree on the high temperature corrosion resistance","authors":"Qiyin Zhou ,&nbsp;Jianye Chen ,&nbsp;Huigang Shi ,&nbsp;Lefu Zhang ,&nbsp;Yanping Huang ,&nbsp;Gen Zhang ,&nbsp;Yongfu Zhao ,&nbsp;Xianglong Guo","doi":"10.1016/j.corsci.2024.112540","DOIUrl":"10.1016/j.corsci.2024.112540","url":null,"abstract":"<div><div>Uneven oxide scale is a common phenomenon in high-temperature corrosion, but the formation mechanism has not been fully uncovered. A new alumina-forming austenitic (AFA) stainless steel with superior corrosion resistance in 650°C/15 MPa SC-CO<sub>2</sub>, has been systematically investigated. It is demonstrated that the uneven oxide was formed by the significant impact of the recrystallization behavior of AFA steel on its microstructural evolution and subsequent corrosion behavior. Compared with the thin oxide scale, the thick oxide scale was caused by the relatively higher density of dislocations and grain boundaries of matrix resulting from delayed recrystallization, which facilitated the rapid outward diffusion of ions.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112540"},"PeriodicalIF":7.4,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561486","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 discharge thermal action in ECDM on electrochemical behaviours of matrix material and its recast layer in glycol-based solution 电致发光陶瓷中的放电热作用对乙二醇基溶液中基体材料及其重铸层电化学行为的影响
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-23 DOI: 10.1016/j.corsci.2024.112525
Jiwen Shen, Yongbin Zeng, Rudong Zhang, Weijing Kong
{"title":"Effect of discharge thermal action in ECDM on electrochemical behaviours of matrix material and its recast layer in glycol-based solution","authors":"Jiwen Shen,&nbsp;Yongbin Zeng,&nbsp;Rudong Zhang,&nbsp;Weijing Kong","doi":"10.1016/j.corsci.2024.112525","DOIUrl":"10.1016/j.corsci.2024.112525","url":null,"abstract":"<div><div>The interaction between thermal and electrochemical corrosion in the ECDM process remains unclear. This study clarifies the effect of discharge thermal action on electrochemical corrosion. Real-time temperature curves indicate that the solution temperature in the electrochemical corrosion zone increased significantly due to discharge thermal action. The corrosion resistance of the recast layer’s passive film is superior to that of the matrix due to the enrichment of Cr<sub>2</sub>O<sub>3</sub>. As the electrolyte temperature rises, the passive film thickens but shows lower polarization resistances and poorer corrosion resistance due to a loose and weak structure. The matrix material and its recast layer dissolved uniformly, resulting in a considerably flat surface in a glycol-based solution, with enhanced levelling efficiency due to discharge thermal action.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112525"},"PeriodicalIF":7.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142533225","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
Comparative study of corrosion behaviors of SS310 stainless steel in NaCl-KCl-MgCl2 and NaCl-KCl-CaCl2 molten salts SS310 不锈钢在 NaCl-KCl-MgCl2 和 NaCl-KCl-CaCl2 熔盐中的腐蚀行为比较研究
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-22 DOI: 10.1016/j.corsci.2024.112527
Wentao Duan , Tianliang Zhao , Tingping Hou , Zhongyu Cui , Yan Li , Kaiming Wu
{"title":"Comparative study of corrosion behaviors of SS310 stainless steel in NaCl-KCl-MgCl2 and NaCl-KCl-CaCl2 molten salts","authors":"Wentao Duan ,&nbsp;Tianliang Zhao ,&nbsp;Tingping Hou ,&nbsp;Zhongyu Cui ,&nbsp;Yan Li ,&nbsp;Kaiming Wu","doi":"10.1016/j.corsci.2024.112527","DOIUrl":"10.1016/j.corsci.2024.112527","url":null,"abstract":"<div><div>Concentrated solar power plants using chloride molten salt as heat transfer fluids imply high corrosion risks. The corrosion behaviour of SS310 stainless steel in NaCl-KCl-MgCl<sub>2</sub> and NaCl-KCl-CaCl<sub>2</sub> molten salts was comparatively studied. MgCl<sub>2</sub> exhibits remarkably higher hygroscopicity than CaCl<sub>2</sub>, inducing a significant difference in the concentration of HCl that directly results in the matrix corrosion. The hydrolysis of MgCl<sub>2</sub> produces large amounts of MgO that destroys Cr<sub>2</sub>O<sub>3</sub> film and produce less-protective MgCr<sub>2</sub>O<sub>4</sub>. Correspondingly, a heterogeneous oxide bilayer is formed in NaCl-KCl-MgCl<sub>2</sub>. In NaCl-KCl-CaCl<sub>2</sub>, a lamellar oxide layer composed of primarily Ni(Fe,Cr)<sub>2</sub>O<sub>4</sub> can effectively block the corrosive species H<sub>2</sub>O and HCl.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112527"},"PeriodicalIF":7.4,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552454","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 heat treatment on the microstructure and corrosion performance of 2219 Al alloy cold sprayed coatings 热处理对 2219 Al 合金冷喷涂层微观结构和腐蚀性能的影响
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2024-10-22 DOI: 10.1016/j.corsci.2024.112526
Huwei Tao, Qifeng Cai, Min Chen, Weicheng Zhang, Geng Cao, Hua Zhang
{"title":"Effect of heat treatment on the microstructure and corrosion performance of 2219 Al alloy cold sprayed coatings","authors":"Huwei Tao,&nbsp;Qifeng Cai,&nbsp;Min Chen,&nbsp;Weicheng Zhang,&nbsp;Geng Cao,&nbsp;Hua Zhang","doi":"10.1016/j.corsci.2024.112526","DOIUrl":"10.1016/j.corsci.2024.112526","url":null,"abstract":"<div><div>This study investigates the influence of different heat treatment conditions on the microstructure and corrosion performance of cold-sprayed coatings on 2219 Al alloy. The results indicate that heat treatment aging effectively improves plastic deformation within the coatings. The direct aging promotes grain refinement, optimization of misorientation angles, which effectively resist the penetration of corrosive media. The coating corrosion initially manifests as pitting corrosion, where interconnected pits lead to particle exposure, initiating intergranular corrosion, and eventually evolving into exfoliation corrosion. The corrosion resistance ranking is as follows: direct aging coatings &gt; solution aging coatings &gt; room temperature coatings &gt; base material.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"241 ","pages":"Article 112526"},"PeriodicalIF":7.4,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142533217","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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