Corrosion Science最新文献_第8页

Performance Determined by Microstructure and Nano Film Characteristics During Electrochemical Transpassive Dissolution of Laser-Directed Energy Deposited Ti6Al4V Alloy 激光定向能沉积Ti6Al4V合金电化学透溶过程中微观结构和纳米膜特性对性能的影响

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-29 DOI: 10.1016/j.corsci.2025.112993

Jun Yu , Linzeng Wang , Guoqiang Kang , Haiou Yang , Jingyi Yang , Zhenyu Long , Xin Lin , Weidong Huang

{"title":"Performance Determined by Microstructure and Nano Film Characteristics During Electrochemical Transpassive Dissolution of Laser-Directed Energy Deposited Ti6Al4V Alloy","authors":"Jun Yu , Linzeng Wang , Guoqiang Kang , Haiou Yang , Jingyi Yang , Zhenyu Long , Xin Lin , Weidong Huang","doi":"10.1016/j.corsci.2025.112993","DOIUrl":"10.1016/j.corsci.2025.112993","url":null,"abstract":"<div><div>Electrochemical machining (ECM) is well-suited for laser-directed energy deposited (LDED) Ti6Al4V components due to its precise and efficient machining capabilities. This study investigates the electrochemical transpassive dissolution performance of LDED Ti6Al4V specimens with varying α and β microstructural characteristics achieved through the different heat treatments. It is confirmed that increase in the α phase content and elements microsegregation promotes the transpassive film porosity and the electrochemical dissolution rate, subsequently diminishes surface quality. And enhanced current densities of ECM can improve machining efficiency and surface quality. Importantly, high-resolution imaging of the transpassive film reveals its amorphous nanostructure and layered growth morphology. And the impact of microstructure and nano film on dissolution morphology is analyzed and a growth mechanism for the film's stacked-layered structure is proposed.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"253 ","pages":"Article 112993"},"PeriodicalIF":7.4,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143903445","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

Myricetin as an ecofriendly antibacterial and anticorrosion agent against microbiologically influenced corrosion 杨梅素是一种生态友好的抗微生物腐蚀的抗菌和防腐蚀剂

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-29 DOI: 10.1016/j.corsci.2025.112994

Zhong Li , Chunxue Ju , Kaicheng Du , Yichen Wang , Mingxing Zhang , Miaomiao Cui , Yongqiang Fan , Dali Meng , Fuhui Wang , Dake Xu

引用次数: 0

Exceptional high-temperature corrosion resistance of multi-component alloys via modulating Al and Nb 通过调制Al和Nb的多组分合金具有优异的高温耐腐蚀性

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-28 DOI: 10.1016/j.corsci.2025.112990

Hao Shi , Xukai Zhang , Chang Liu , Xing Gong , Yue Li , Raheleh Azmi , Yilun Gong , Dirk Ponge , Alfons Weisenburger , Georg Müller

{"title":"Exceptional high-temperature corrosion resistance of multi-component alloys via modulating Al and Nb","authors":"Hao Shi , Xukai Zhang , Chang Liu , Xing Gong , Yue Li , Raheleh Azmi , Yilun Gong , Dirk Ponge , Alfons Weisenburger , Georg Müller","doi":"10.1016/j.corsci.2025.112990","DOIUrl":"10.1016/j.corsci.2025.112990","url":null,"abstract":"<div><div>The chemical compatibility of metallic materials with thermal transfer/storage media, which often involves aggressive working conditions (i.e., high-temperature, corrosive environments), challenges the safe operations of advanced and sustainable energy-related infrastructures. Here, we report the corrosion-oxidation behaviors of three multi-component alloys (MCAs) when exposed to a corrosive heavy-liquid metal condition (<em>i.e.</em>, molten Pb at 650 ℃ with 10<sup>−6</sup> wt% oxygen dissolved). The two compositions, Al<sub>0.36</sub>Cr<sub>0.67</sub>FeNi<sub>0.98</sub> (HAl11) and Al<sub>0.27</sub>Cr<sub>0.71</sub>FeNi<sub>1.16</sub>Nb<sub>0.17</sub> (HAl8<sup>Nb</sup>), show excellent corrosion-resistance via passivating a protective oxide scale on the alloy surface. Further characterizations of the oxide layers differentiate their corrosion-oxidation mechanisms: a protective Al<sub>2</sub>O<sub>3</sub> oxide layer (with Cr and Fe segregation outmost) formed on HAl11 and a duplex oxide layer (outward growth of FeCr<sub>2</sub>O<sub>4</sub>/Cr<sub>2</sub>O<sub>3</sub> layer plus inward growth of an Al<sub>2</sub>O<sub>3</sub> layer) with internal oxidation on HAl8<sup>Nb</sup>. Adding Nb improved the corrosion-oxidation resistance (“Nb-doping effect”) by enhancing the outward diffusion of metallic elements and promoting the rapid establishment of an alumina scale. Besides, the presence of AlNbO<sub>4</sub>, which was predicted by thermodynamics calculation, lying between the spinel and Al<sub>2</sub>O<sub>3</sub> formation, was also confirmed by experimental observations. Our findings advance the mechanistic understanding of MCAs’ performances in extreme conditions and provide novel strategies for designing corrosion-resistant alloys targeting aggressive application environments.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"253 ","pages":"Article 112990"},"PeriodicalIF":7.4,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143899578","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

Corrosion performance of 2205 duplex stainless steel in simulated hydrometallurgical processes: A study of uniform and crevice corrosion 2205双相不锈钢在模拟湿法冶金过程中的腐蚀性能：均匀腐蚀和缝隙腐蚀的研究

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-28 DOI: 10.1016/j.corsci.2025.112987

Davood Nakhaie, Edouard Asselin

{"title":"Corrosion performance of 2205 duplex stainless steel in simulated hydrometallurgical processes: A study of uniform and crevice corrosion","authors":"Davood Nakhaie, Edouard Asselin","doi":"10.1016/j.corsci.2025.112987","DOIUrl":"10.1016/j.corsci.2025.112987","url":null,"abstract":"<div><div>The corrosion behavior of SAF 2205 duplex stainless steel (DSS) is studied under acidic conditions of hydrometallurgical processes. The focus is on uniform and crevice corrosion. A Central Composite Design (CCD) was employed to evaluate the effects of temperature, sulfuric acid, hydrogen peroxide, and chloride concentration on the corrosion rate and critical crevice temperature (CCT) of 2205 DSS. Analysis of variance (ANOVA) revealed that the uniform corrosion rate is primarily influenced by temperature and chloride concentration, with both factors accelerating the corrosion of the alloy. However, the uniform corrosion rate of 2205 DSS remained generally below the 100 µm/yr threshold. Moreover, the CCT of the alloy decreased with increasing concentrations of Cl<sup>−</sup> and H<sub>2</sub>O<sub>2</sub>, while higher concentrations of H<sub>2</sub>SO<sub>4</sub> improved CCT, likely due to inhibition by sulfate ions. These findings enhance the current understanding of the corrosion resistance of 2205 DSS in aggressive environments, offering valuable insights for the application of this alloy in hydrometallurgical processes.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"253 ","pages":"Article 112987"},"PeriodicalIF":7.4,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143895163","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}

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Effect of Mg17Al12 precipitate on corrosion behavior and corrosion anisotropy in AZ91 magnesium alloy Mg17Al12析出物对AZ91镁合金腐蚀行为及各向异性的影响

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-27 DOI: 10.1016/j.corsci.2025.112983

Wanjing Wang , Feiya Liu , Na Liu , Chao Chen , Yizhou Li , Zhongyu Cui , Hongzhi Cui

引用次数: 0

In situ microscopy and electrochemical characteristics of initiation of intergranular corrosion of aging-treated Al–1Mg–0.65Si–0.8Cu alloy in 0.1 M NaCl 时效处理Al-1Mg-0.65Si-0.8Cu合金在0.1 M NaCl中晶间腐蚀起始的原位显微镜及电化学特征

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-27 DOI: 10.1016/j.corsci.2025.112985

Mutsuki Inagaki , Masashi Nishimoto , Mai Takaya , Izumi Muto

{"title":"In situ microscopy and electrochemical characteristics of initiation of intergranular corrosion of aging-treated Al–1Mg–0.65Si–0.8Cu alloy in 0.1 M NaCl","authors":"Mutsuki Inagaki , Masashi Nishimoto , Mai Takaya , Izumi Muto","doi":"10.1016/j.corsci.2025.112985","DOIUrl":"10.1016/j.corsci.2025.112985","url":null,"abstract":"<div><div>This study investigated the initiation site of intergranular corrosion (IGC) in aging-treated Al–1Mg–0.65Si–0.8Cu alloy in 0.1 M NaCl. Polarization and open-circuit potential measurements were performed. Further, in situ observations were made using a small electrode area of 300 µm × 300 µm. In potentiodynamic polarization, the breakdown potential was −0.4 V vs. SHE, leading to pitting corrosion, which in turn initiated IGC. The OCP under naturally aerated conditions increased from approximately −1.2 to −0.4 V over time, and IGC was initiated at −0.4 V. Even in the case of the small electrode area (300 µm × 300 µm), IGC occurred at −0.4 V in potentiostatic polarization; high-spatial-resolution in situ observations were then performed. IGC initiated from randomly distributed Mg<sub>2</sub>Si particles and generation of gas bubbles. Moreover, the Mg<sub>2</sub>Si particles at the initiation site of IGC were located on or near the grain boundaries, and trenching was observed at the Mg<sub>2</sub>Si/alloy matrix boundaries. In addition to the exposure of the bare alloy surface by trenching, the acidification inside the trench likely contributed to the initiation of IGC. The role of Mg<sub>2</sub>Si in the initiation of IGC was examined based on the results of in situ observations and the polarization behavior.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"252 ","pages":"Article 112985"},"PeriodicalIF":7.4,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143882710","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

Construction of dual-ion co-doped LDH coatings on magnesium alloys for marine applications: Achieving self-healing and anti-biocorrosion properties 船用镁合金双离子共掺杂LDH涂层的构建：实现自修复和抗生物腐蚀性能

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-27 DOI: 10.1016/j.corsci.2025.112984

Junjie Xie , Bo Li , Dekuan Wang , Xiaoqi Liu , Lele Zhang , Yong Han

引用次数: 0

Unraveling the interfacial cathode-to-anode transition mediated by inclusion-induced localized corrosion under deaerated variable-pH conditions 揭示在脱氧变ph条件下由包体诱导的局部腐蚀介导的界面阴极到阳极转变

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-27 DOI: 10.1016/j.corsci.2025.112982

Heng Ma , Gengxin Li , Yan Li , Tengfei Yin , Jiajun Liu , Yang Zhao , Huiyun Tian , Zhongyu Cui

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Effect of TiC ceramic particles and circular oscillating laser beam on corrosion resistance in fusing zone of 2195 Al-Li alloy TiC陶瓷颗粒和圆形振荡激光束对2195铝锂合金熔合带耐腐蚀性能的影响

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-27 DOI: 10.1016/j.corsci.2025.112986

Haoyang Song , Hongfei Shao , Yiwen Zhou , Chenyang Zhao , Jinze Chi , Guojiang Dong , Jiang Bi , Qiuli Zheng , Xiangdong Jia , Mikhail Dmitrievich Starostenkov , Caiwang Tan

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CMAS corrosion resistance behavior and mechanism of Hf6Ta2O17/RETaO4 (RE = Yb, Y, Eu, Sm, and Nd) composite ceramics for thermal barrier coatings 热障涂层用Hf6Ta2O17/RETaO4 （RE = Yb， Y, Eu, Sm, and Nd）复合陶瓷的CMAS耐腐蚀性能及机理

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-04-26 DOI: 10.1016/j.corsci.2025.112980

Sai Liu , Xiaopeng Hu , Yu Zou , Jinwei Guo , Qing Liu , Wang Zhu

{"title":"CMAS corrosion resistance behavior and mechanism of Hf6Ta2O17/RETaO4 (RE = Yb, Y, Eu, Sm, and Nd) composite ceramics for thermal barrier coatings","authors":"Sai Liu , Xiaopeng Hu , Yu Zou , Jinwei Guo , Qing Liu , Wang Zhu","doi":"10.1016/j.corsci.2025.112980","DOIUrl":"10.1016/j.corsci.2025.112980","url":null,"abstract":"<div><div>Multiphase engineering is an effective way to improve the corrosion resistance of thermal barrier coatings (TBCs) against CMAS. This paper investigates the CMAS corrosion behavior and corrosion resistance mechanism of RETaO<sub>4</sub>/Hf<sub>6</sub>Ta<sub>2</sub>O<sub>17</sub> (RE = Yb, Y, Eu, Sm, and Nd) composite ceramics at 1300°C. The effect of rare earth (RE) element species on the corrosion resistance of composite ceramics is explored. The results show that the corrosion products of the composite ceramics are similar to those of the single-phase Hf<sub>6</sub>Ta<sub>2</sub>O<sub>17</sub>, consisting of CaTa<sub>2</sub>O<sub>6</sub>, m-HfO<sub>2</sub>, trace amounts of HfSiO<sub>4</sub> and Ca<sub>2</sub>Ta<sub>2</sub>O<sub>7</sub>. However, the morphology and phase composition of the corrosion product layer appear to change. The composite ceramics exhibit superior resistance to CMAS corrosion compared to Hf<sub>6</sub>Ta<sub>2</sub>O<sub>17</sub>, with the corrosion resistance enhancement increasing as the doped RE<sup>3 +</sup> radius grows. Furthermore, the microstructure of the composite ceramics can significantly influence the CMAS penetration kinetics, offering new insights for the design of future CMAS-resistant TBCs.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"253 ","pages":"Article 112980"},"PeriodicalIF":7.4,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143886635","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