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General corrosion and stress corrosion cracking behaviors of Alloy 825 in high-temperature supercritical water
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-29 DOI: 10.1016/j.corsci.2025.112895
Hongsheng Chen , Rui Tang , Tianguo Wei , Xuesong Leng
{"title":"General corrosion and stress corrosion cracking behaviors of Alloy 825 in high-temperature supercritical water","authors":"Hongsheng Chen ,&nbsp;Rui Tang ,&nbsp;Tianguo Wei ,&nbsp;Xuesong Leng","doi":"10.1016/j.corsci.2025.112895","DOIUrl":"10.1016/j.corsci.2025.112895","url":null,"abstract":"<div><div>General corrosion and stress corrosion cracking behaviors of Alloy 825 were investigated in supercritical water at 550 °C and 650 °C. The results show that Alloy 825 demonstrates consistent weight gain with prolonged exposure at 650 °C, while exhibits alternating weight gain and weight loss behaviors at 550 °C due to the interplay between uniform corrosion and pitting corrosion caused by the oxidation of TiN precipitates. At 550 °C, a porous and double-layer oxide film is generated, with the outer layer primarily composed of (Cr,Fe)<sub>2</sub>O<sub>3</sub> grains and the inner layer consisting of the sub-layer matrix interspersed with polycrystalline spinel oxides. Stress corrosion cracking at this temperature is characterized by intergranular cracks at the edge regions of the fracture surface. At 650 °C, the oxide film is more uniform, compact and protective, comprising polycrystalline spinel oxides and Cr<sub>2</sub>O<sub>3</sub>. The fracture mode at this elevated temperature transitions to a combination of cleavage and ductile fractures.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112895"},"PeriodicalIF":7.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143734714","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
Biofouling and corrosion of magnesium alloys WE43 and AM60 by Chlorella vulgaris in artificial seawater
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-29 DOI: 10.1016/j.corsci.2025.112884
Qi Fu , Guang-Ling Song , Xinran Yao
{"title":"Biofouling and corrosion of magnesium alloys WE43 and AM60 by Chlorella vulgaris in artificial seawater","authors":"Qi Fu ,&nbsp;Guang-Ling Song ,&nbsp;Xinran Yao","doi":"10.1016/j.corsci.2025.112884","DOIUrl":"10.1016/j.corsci.2025.112884","url":null,"abstract":"<div><div>There have been many studies on bacterial corrosion, but quite few on algae-induced corrosion. However, exposure to algae is inevitable when a metal is used in marine environments. Hence, the effect of algae on corrosion is potentially a critical issue, particularly for Mg alloys that are generally very susceptible to corrosion. In this paper, the biofouling and corrosion of magnesium (Mg) alloys WE43 and AM60 caused by <em>Chlorella vulgaris</em> (<em>C. vulgaris</em>), a typical marine microalga, were systematically investigated. The fluorescence images and sessile cell counting results proved that the antibacterial mechanism of the Mg alloys in medical field was not applicable in marine environments. <em>C. vulgaris</em> could adhere to the surfaces of WE43 and AM60, leading to the occurrence of biofouling and biocorrosion. Moreover, <em>C. vulgaris</em> tended to damage the surface film of the WE43 alloy more severely than that of the AM60 alloy, resulting in larger and deeper pits on the surface of the WE43 alloy. Liquid chromatography-mass spectrometry (LC-MS/MS) tests and etidronic acid (HEDP) addition experiments confirmed that the organic acids produced by <em>C. vulgaris</em> through photosynthesis were the main culprits for the dissolution or failure of the surface film. Meanwhile, the inorganic substance (NH<sub>4</sub>)H<sub>2</sub>PO<sub>4</sub> produced by <em>C. vulgaris</em> through respiration and high concentration of Cl<sup>−</sup> could also promote the rupture of the surface film and aggravate the corrosion damage of Mg alloys. The mechanisms of the <em>C. vulgaris</em> induced corrosion and biofouling are proposed at last based on the experimental measurements in this paper.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112884"},"PeriodicalIF":7.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143739460","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
Influence of heat treatment on the corrosion and tribo-corrosion resistance of LPBF additively manufactured Cu-15Ni-8Sn alloy
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-29 DOI: 10.1016/j.corsci.2025.112894
Pengcheng Zuo , Hongbo Ju , Zhuangzhuang Liu , Bowei Zhang , Zequn Zhang , Mingze Liu , Shujie He , Xinjie Luo , Ying Li , Bo Peng , Junsheng Wu , Xiaogang Li
{"title":"Influence of heat treatment on the corrosion and tribo-corrosion resistance of LPBF additively manufactured Cu-15Ni-8Sn alloy","authors":"Pengcheng Zuo ,&nbsp;Hongbo Ju ,&nbsp;Zhuangzhuang Liu ,&nbsp;Bowei Zhang ,&nbsp;Zequn Zhang ,&nbsp;Mingze Liu ,&nbsp;Shujie He ,&nbsp;Xinjie Luo ,&nbsp;Ying Li ,&nbsp;Bo Peng ,&nbsp;Junsheng Wu ,&nbsp;Xiaogang Li","doi":"10.1016/j.corsci.2025.112894","DOIUrl":"10.1016/j.corsci.2025.112894","url":null,"abstract":"<div><div>Effect of heat-treatment processes on the microstructure, corrosion and tribo-corrosion behavior of laser powder bed fusion (LPBF) Cu-15Ni-8Sn alloy were systematically investigated. The results demonstrate that the typical molten pool structures were destroyed after solid solution treatment. In contrast, aging process could facilitate the formation of spinodal decomposition structure, which significantly improves the hardness and tribo-corrosion resistance of the LPBF alloy. Nevertheless, a prolonged aging could inversely aggravate the segregation and precipitation of Sn-rich phase along the cellular and grain boundaries, thus driving a severer micro galvanic effect to deteriorate its corrosion resistance. What’s more, the prosperity of soft precipitates would further weaken the tribo-corrosion performance.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112894"},"PeriodicalIF":7.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143748689","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
Influence of aluminizing and pre-oxidation on corrosion behavior of 316Ti in liquid Pb at 600–700 °C
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-29 DOI: 10.1016/j.corsci.2025.112896
Anisa Purwitasari , Renate Fetzer , Annette Heinzel , Ceyhun Oskay , Alfons Weisenburger , Georg Müller
{"title":"Influence of aluminizing and pre-oxidation on corrosion behavior of 316Ti in liquid Pb at 600–700 °C","authors":"Anisa Purwitasari ,&nbsp;Renate Fetzer ,&nbsp;Annette Heinzel ,&nbsp;Ceyhun Oskay ,&nbsp;Alfons Weisenburger ,&nbsp;Georg Müller","doi":"10.1016/j.corsci.2025.112896","DOIUrl":"10.1016/j.corsci.2025.112896","url":null,"abstract":"<div><div>This study explores the possibility to extend the service temperature of austenitic steel 316Ti in liquid lead to 700 °C. To improve the material compatibility, 316Ti is subjected to three different pre-treatments prior to Pb exposure: pre-oxidation in hot air, aluminizing by pack cementation, and the combination of both. In exposure tests with duration up to 5000 hours, the combined pre-treatment comprising aluminizing by pack cementation and subsequent pre-oxidation is found to provide the most effective corrosion protection to austenitic steel 316Ti in contact with liquid Pb containing 2 × 10⁻⁷ wt% dissolved oxygen at both 600 and 700 °C.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"251 ","pages":"Article 112896"},"PeriodicalIF":7.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143767536","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
One-step in-situ growth by one-pot method for uniform BTA@ZIF-8 layer to improve the corrosion protection of sol-gel coatings
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-29 DOI: 10.1016/j.corsci.2025.112887
Chao Chen, Mei Yu, Jian Xiao, Muyuan Jiang, Yuchan Liu, Rong Wang, Jianhua Liu
{"title":"One-step in-situ growth by one-pot method for uniform BTA@ZIF-8 layer to improve the corrosion protection of sol-gel coatings","authors":"Chao Chen,&nbsp;Mei Yu,&nbsp;Jian Xiao,&nbsp;Muyuan Jiang,&nbsp;Yuchan Liu,&nbsp;Rong Wang,&nbsp;Jianhua Liu","doi":"10.1016/j.corsci.2025.112887","DOIUrl":"10.1016/j.corsci.2025.112887","url":null,"abstract":"<div><div>A facile one-step in-situ growth by one-pot method for uniform BTA@ZIF-8 (1H-Benzotriazole@Zeolitic Imidazolate Framework-8) layer was developed to prepare BTA@ZIF-8/sol-gel composite coatings on the surface of AA2024-T3. Compared to 2MI (2-Methylimidazole), the much stronger adsorption between BTA and Cu-rich phase of aluminum alloy verified by adsorption thermodynamic and density functional theory calculation promoted heterogeneous nucleation of BTA@ZIF-8 crystals and uniform growth of BTA@ZIF-8 layer. The high corrosion protection of 2.6 μm thick BTA@ZIF-8/sol-gel composite coatings, 10<sup>6</sup> Ω cm<sup>2</sup> |Z|<sub>0.01 Hz</sub> after 30 days immersion and no corrosion pit by the naked eye after 60 days immersion in 3.5 wt% NaCl solution, was ascribed to the barrier property resulting from uniform BTA@ZIF-8 layer and pH-induced release of corrosion inhibitors 2MI and BTA from BTA@ZIF-8 particles.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112887"},"PeriodicalIF":7.4,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143739461","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 bacterial biofilm-regulated corrosion protection for magnesium-based sacrificial anode
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-26 DOI: 10.1016/j.corsci.2025.112880
Yuqiao Dong , Jinke Yin , Shiqiang Chen , Guang-Ling Song , Peng-peng Wu , Xin Cheng , Guangzhou Liu
{"title":"A bacterial biofilm-regulated corrosion protection for magnesium-based sacrificial anode","authors":"Yuqiao Dong ,&nbsp;Jinke Yin ,&nbsp;Shiqiang Chen ,&nbsp;Guang-Ling Song ,&nbsp;Peng-peng Wu ,&nbsp;Xin Cheng ,&nbsp;Guangzhou Liu","doi":"10.1016/j.corsci.2025.112880","DOIUrl":"10.1016/j.corsci.2025.112880","url":null,"abstract":"<div><div>Magnesium (Mg) alloys are traditionally used as sacrificial anodes, but their high self-corrosion rates limit their application. In this study, a bacterial biofilm protection method was developed, and tested on Mg under potentials of −1.5 V, −1.4 V, −1.3 V, and −1.2 V vs. saturated calomel electrode (SCE), as well as with a Mg-Q235 carbon steel (CS) couple. The Mg sample was immersed in a <em>Bacillus</em> sp. inoculum at a bacterial concentration of 10<sup>5</sup> CFU mL<sup>−1</sup> for 7 days, during which highly active biofilms were formed and the mean fluorescence efficiency reached 78.5 ± 10.9 % on the 7th day. In this case, the biofilm effectively inhibited the self-corrosion of the Mg, reducing the corrosion rate to a much low value, minimally around 11.53 ± 0.06 μA cm<sup>−2</sup>. When the Mg started cathodic protection, the biofilm on the surface lost its blockage and thus the Mg was activated to give out a required galvanic current. The anode efficiencies of the Mg at galvanic potentials of −1.3 V and −1.4 V vs. SCE, or when the Mg was coupled with a carbon steel reached 70.9 ± 2.8 % and 73.3 ± 1.8 %, or 79.8 ± 0.9 %, respectively, significantly higher than the protective efficiencies around 50 % usually reported in literatures. Detailed biofilm-regulated protection mechanism at OCP losing its blockage for cathodic protection is also analyzed in the paper.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112880"},"PeriodicalIF":7.4,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143725830","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
Unmasking the influence of TiC on passivation and pitting initiation of aluminum matrix composites
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-26 DOI: 10.1016/j.corsci.2025.112886
Xinyu Li, Songmei Li, Juan Du, Jinyan Zhong, Mei Yu, Bin Li
{"title":"Unmasking the influence of TiC on passivation and pitting initiation of aluminum matrix composites","authors":"Xinyu Li,&nbsp;Songmei Li,&nbsp;Juan Du,&nbsp;Jinyan Zhong,&nbsp;Mei Yu,&nbsp;Bin Li","doi":"10.1016/j.corsci.2025.112886","DOIUrl":"10.1016/j.corsci.2025.112886","url":null,"abstract":"<div><div>The effect of TiC on corrosion process, particularly the passive and initial stages, is unclear. The passivation and initial corrosion of 2024-TiC AMCs are investigated in this report. It is found that a small amount of TiC improves corrosion resistance by reducing galvanic corrosion current density and forming a stable passive layer with low Cl⁻ adsorption and cation vacancy density, minimizing dissolution. However, excessive TiC causes uneven distribution, aggregation of Cl⁻, and passive film rupture, leading to anode aluminum dissolution and accelerated pitting corrosion propagation. These findings highlight the balance requirement for optimal TiC additive used in enhancing corrosion resistance.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112886"},"PeriodicalIF":7.4,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143739928","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
Hydrogen entry into zinc-coated steel induced by atmospheric corrosion after local chloride deposition
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-25 DOI: 10.1016/j.corsci.2025.112885
Darja Rudomilova , Tomáš Prošek , Andreas Muhr , Gerald Luckeneder
{"title":"Hydrogen entry into zinc-coated steel induced by atmospheric corrosion after local chloride deposition","authors":"Darja Rudomilova ,&nbsp;Tomáš Prošek ,&nbsp;Andreas Muhr ,&nbsp;Gerald Luckeneder","doi":"10.1016/j.corsci.2025.112885","DOIUrl":"10.1016/j.corsci.2025.112885","url":null,"abstract":"<div><div>Differences in hydrogen entry behaviour for bare steel, zinc-coated steel with artificial defects in the coating, and steel with intact zinc coating were studied using scanning Kelvin probe technique. Pit formation was a key factor in the hydrogen entry mechanism for bare steel specimens. The steel/zinc interface covered with zinc corrosion products is the principal area of hydrogen entry into sheets with artificial defects in zinc coating. Hydrogen uptake was also observed in intact zinc-coated steel. The presence of a long line defect in the zinc coating led to almost eight times higher hydrogen uptake compared to bare steel.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112885"},"PeriodicalIF":7.4,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143725829","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 iron content on the corrosion rate of a new Mg-Zn-Al-Ca-Ce-Mn alloy system
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-24 DOI: 10.1016/j.corsci.2025.112870
Chia-Yu Chang , Jianyue Zhang , Xiaolei Guo , Jiashi Miao , Daehyun Cho , Alan A. Luo
{"title":"Effect of iron content on the corrosion rate of a new Mg-Zn-Al-Ca-Ce-Mn alloy system","authors":"Chia-Yu Chang ,&nbsp;Jianyue Zhang ,&nbsp;Xiaolei Guo ,&nbsp;Jiashi Miao ,&nbsp;Daehyun Cho ,&nbsp;Alan A. Luo","doi":"10.1016/j.corsci.2025.112870","DOIUrl":"10.1016/j.corsci.2025.112870","url":null,"abstract":"<div><div>There is a Fe tolerance limit in pure magnesium or Mg-Al based alloys, and it is critical to control Fe impurity within such tolerance to avoid accelerated corrosion in Mg alloys. In this paper, the effect of Fe concentration (20–204 ppm) on the corrosion rate of a new ZAXEM11000 (Mg-1.0Zn-1.0Al-0.4Ca-0.2Ce-0.6Mn) alloy is investigated. Surprisingly, the corrosion rate of the ZAXEM11000 alloy increases linearly with the Fe concentration, rather than exponentially, as would typically be expected after surpassing the Fe tolerance limit. In particular, the corrosion rate of the ZAXEM11000 alloy with 204 ppm Fe is only five times higher than that of the alloy with 20 ppm Fe. At low Fe contents, the Fe-containing secondary phases tend to segregate near grain boundaries. As the Fe content increases, a more dispersive distribution of Fe-containing secondary phases is observed throughout the entire Mg matrix, likely due to the increased amount of Al(Mn,Fe) phase formed during solidification. The high density of Fe-containing secondary phases, which causes trenching of the surrounding Mg matrix, accelerates the overall corrosion rate of the Mg alloys by enhanced galvanic corrosion with high density of noble secondary phases. The results indicate that the corrosion behavior of this alloy system may be dominated by the distribution and morphology of secondary phases, particularly Al-Mn-Fe phases, that develops as the Fe content increases. This study provides a pathway of creating Mg alloys with a high tolerance limit of Fe through alloying.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"250 ","pages":"Article 112870"},"PeriodicalIF":7.4,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705330","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
Interfacial characteristics and adhesion behaviour of ytterbium silicate environmental barrier coatings exposed to steam oxidation
IF 7.4 1区 材料科学
Corrosion Science Pub Date : 2025-03-21 DOI: 10.1016/j.corsci.2025.112879
Ahmet Hilmi Paksoy, Daniel Scotson, Esma Yilmaz, Ping Xiao
{"title":"Interfacial characteristics and adhesion behaviour of ytterbium silicate environmental barrier coatings exposed to steam oxidation","authors":"Ahmet Hilmi Paksoy,&nbsp;Daniel Scotson,&nbsp;Esma Yilmaz,&nbsp;Ping Xiao","doi":"10.1016/j.corsci.2025.112879","DOIUrl":"10.1016/j.corsci.2025.112879","url":null,"abstract":"<div><div>Regardless of the processing technique and resulting microstructure, when Environmental Barrier Coatings (EBCs) are exposed to high temperature in an air or steam environments, oxidation of the silicon bond coat forms a Thermally Grown Oxide (TGO). This study investigates the effect of steam oxidation on failure of air plasma sprayed (APS) EBCs consisting of a Yb<sub>2</sub>Si<sub>2</sub>O<sub>7</sub> based topcoat and silicon bond coat, primarily focusing on changes at the topcoat and bond coat interface such as TGO thickness, interface roughness, pore size and pore morphology. Furthermore, it also explores the interfacial bonding behaviour at different length scales with scratch testing and in-situ cantilever beam bending. The findings reveal that the topcoat’s microstructure, including the crack network and grain size, influence the inhomogeneity in TGO thickness, while interfacial pore formation and non-uniform stress distribution weaken the TGO/topcoat interface.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"251 ","pages":"Article 112879"},"PeriodicalIF":7.4,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143776342","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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