Corrosion Science最新文献_第3页

On the corrosion of a nano-oxide dispersion strengthened CoCrNi medium entropy alloy prepared by laser powder bed fusion 激光粉末床熔合法制备纳米氧化物弥散强化CoCrNi介质熵合金的腐蚀研究

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-20 DOI: 10.1016/j.corsci.2025.113341

Mingyang Li , Yao Qiu , Nick Birbilis , Adam Taylor , Ross K.W. Marceau , Cunshuai Zhang , Yu Yan , Jing Liu

引用次数: 0

Alloy 304HCu in advanced ultra-supercritical steam: Exploring the early oxidation mechanism, oxide scale structure and the effect of steam pressure 304HCu合金在先进超超临界蒸汽中的早期氧化机理、氧化垢结构及蒸汽压力的影响

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-20 DOI: 10.1016/j.corsci.2025.113339

C. Sundaresan, Bhagwat Ghule , Dandapani Vijayshankar, V.S. Raja

{"title":"Alloy 304HCu in advanced ultra-supercritical steam: Exploring the early oxidation mechanism, oxide scale structure and the effect of steam pressure","authors":"C. Sundaresan, Bhagwat Ghule , Dandapani Vijayshankar, V.S. Raja","doi":"10.1016/j.corsci.2025.113339","DOIUrl":"10.1016/j.corsci.2025.113339","url":null,"abstract":"<div><div>Alloy 304HCu was exposed to a simulated advanced ultra-supercritical steam (AUSC) environment at 650 ℃, 31 MPa, for various time durations ranging up to a maximum of 600 h. The nature of early-stage oxidation and the evolution of oxide scales over time were studied in detail through complementary characterization techniques. Additionally, a 100-hour test at 650 ℃, 25 MPa, was carried out to validate the effect of steam pressure on oxidation. The alloy initially formed a thin Cr-rich oxide, which later broke down primarily due to Cr volatilization and gave rise to thick, dual-layered oxides comprising an outer magnetite and an internal oxidation zone (IOZ). The IOZ was made up of alternating regions of Fe-Cr solid solution spinel and metallic (Ni, Cu, Fe)-rich phase as a result of the low oxygen activity within the IOZ and the selective oxidation phenomenon. The unoxidized (Ni, Cu, Fe)-rich phase does not seem to offer any resistance to the growth of the internal oxide front. AUSC steam was found to cause severe oxidation compared to supercritical steam reported in the literature, and the role of steam pressure towards the same was experimentally validated. The results are important in light of the alloy’s proposed usage in the global AUSC program.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113339"},"PeriodicalIF":7.4,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154413","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

On the morphology and composition of κ-phases on localized corrosion in wire arc additive manufacturing nickel aluminum bronze 电弧增材制造镍铝青铜中κ相的形态和组成对局部腐蚀的影响

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-20 DOI: 10.1016/j.corsci.2025.113343

Ayda Shahriari , Sajad Shakerin , Nick Birbilis , Mohsen Mohammadi

{"title":"On the morphology and composition of κ-phases on localized corrosion in wire arc additive manufacturing nickel aluminum bronze","authors":"Ayda Shahriari , Sajad Shakerin , Nick Birbilis , Mohsen Mohammadi","doi":"10.1016/j.corsci.2025.113343","DOIUrl":"10.1016/j.corsci.2025.113343","url":null,"abstract":"<div><div>This study explores the influence of κ-phase morphology and chemical composition upon localized corrosion in wire arc additively manufactured (WAAM) nickel aluminum bronze (NAB). In addition to electrochemical analyses, the study utilized focused ion beam (FIB) milling, scanning transmission electron microscopy (TEM), and x-ray microanalysis to examine microstructural features in WAAM-NAB samples after exposure to a chloride-containing environment. It was determined that κ-phases exhibited so-called ‘cathodic’ behavior relative to the α-phase; however, their nobility was affected not only by composition, but also by morphology. Notably, elongated κ-phases - despite being Ni-Al-rich - promoted localized corrosion, which is associated with their increased interfacial area. Work function and chemical potential analyses support that phase morphology can have a key role in localized corrosion. This work highlights the critical role of microstructure in governing corrosion mechanisms in WAAM-fabricated alloys and the key insights provided by characterization at the nanoscale.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113343"},"PeriodicalIF":7.4,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145118247","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

Si and Y co-alloying for superior LBE corrosion resistance through tailored interphases 通过定制的界面相，Si和Y共合金化具有优异的LBE耐腐蚀性

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-20 DOI: 10.1016/j.corsci.2025.113337

Wenyao Li , Jin Zhou , Weichen Zhang , Hao Ren , Jun Zhang , Wei Fang , Xiaoxin Zhang , Qingzhi Yan , Tao Guo , Yang He , Lijie Qiao

{"title":"Si and Y co-alloying for superior LBE corrosion resistance through tailored interphases","authors":"Wenyao Li , Jin Zhou , Weichen Zhang , Hao Ren , Jun Zhang , Wei Fang , Xiaoxin Zhang , Qingzhi Yan , Tao Guo , Yang He , Lijie Qiao","doi":"10.1016/j.corsci.2025.113337","DOIUrl":"10.1016/j.corsci.2025.113337","url":null,"abstract":"<div><div>Liquid metal corrosion has long been a critical threat to the safe operation of lead-cooled fast neutron reactors (LFRs) since the 1950s. In preventing such a degradation mode in the ferrite-martensite (F-M) steel—a commonly-used structure material in reactor core, the alloying elements of Si or Y are reported to be useful presumably due to the rapid formation of a dense oxide scale on the steel surface. Herein, we demonstrate a synergy of Si and Y in alleviating corrosion of the F-M steels in the liquid lead-bismuth eutectic at 600 °C. Atomic-scale characterizations indicate that, while Si introduces primarily SiO<sub>2</sub> pockets within the spinel layer, Y further prompts the SiO<sub>2</sub> and Cr<sub>2</sub>O<sub>3</sub> formation at the interface of the oxide scale and the steel substrate, leading to unique interphase structure featuring amorphous SiO<sub>2</sub> and nanocrystalline Cr<sub>2</sub>O<sub>3</sub> composite. In contrast to the scenario of the baseline steel, this dual-phase layer can significantly reduce the mass transfer and ameliorate the damage tolerance of the oxide||matrix interface. The attendant corrosion rate drop reaches up to ∼67 %. The findings demonstrate the synergistic effects of Si and Y in alleviating corrosion of F-M steels in simulated working conditions of advanced LFR, shedding lights on tackling corrosion through tailored interphases.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113337"},"PeriodicalIF":7.4,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145108988","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

Impact of droplet conditions on corrosion inhibitor mechanisms: A case study on small azole molecules 液滴条件对缓蚀剂机理的影响：以小唑分子为例

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-20 DOI: 10.1016/j.corsci.2025.113340

Chathumini Samarawickrama , Qiushi Deng , Philipp Eiden , Paul White , Patrick Keil , Ivan Cole

{"title":"Impact of droplet conditions on corrosion inhibitor mechanisms: A case study on small azole molecules","authors":"Chathumini Samarawickrama , Qiushi Deng , Philipp Eiden , Paul White , Patrick Keil , Ivan Cole","doi":"10.1016/j.corsci.2025.113340","DOIUrl":"10.1016/j.corsci.2025.113340","url":null,"abstract":"<div><div>This study investigates the differences in corrosion inhibitor performance between droplet and bulk volumes using a novel electrochemical cell setup that accommodates both environments. Steel and galvanised steel, widely used in the automotive and construction industries, face significant corrosion challenges, with droplet corrosion presenting unique mechanisms compared to bulk volume corrosion. In droplet corrosion, oxygen gradients form due to oxygen depletion at the droplet centre, promoting uniform or localised corrosion based on factors such as salt concentration and droplet size. Despite its relevance, droplet corrosion remains understudied, particularly in the context of inhibitor performance. This study addresses the gap by employing a rapid electrochemical testing method and a database with a wide range of azole derivative structures to evaluate how corrosion inhibitor structures and the working mechanism of corrosion inhibitors affect corrosion protection in varying droplet volumes. Findings from this research are anticipated to enhance corrosion mitigation strategies and promote more effective use of inhibitors in real-world applications.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113340"},"PeriodicalIF":7.4,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154249","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 Si network continuity on the localized corrosion of AlSi10Mg alloy fabricated by selective laser melting Si网络连续性对选择性激光熔化AlSi10Mg合金局部腐蚀的影响

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-19 DOI: 10.1016/j.corsci.2025.113336

Futai Zhang , Zhe Liu , Chengcheng Pan , Yida Deng , Da-Hai Xia , Bernard Tribollet

{"title":"Effect of Si network continuity on the localized corrosion of AlSi10Mg alloy fabricated by selective laser melting","authors":"Futai Zhang , Zhe Liu , Chengcheng Pan , Yida Deng , Da-Hai Xia , Bernard Tribollet","doi":"10.1016/j.corsci.2025.113336","DOIUrl":"10.1016/j.corsci.2025.113336","url":null,"abstract":"<div><div>This paper aims to investigate the influence mechanism of silicon (Si) network morphology on the localized corrosion behavior of AlSi10Mg alloy prepared by selective laser melting (SLM) in 3.5 wt% NaCl solution. Four different Si microstructures, i.e., coarse Si network, fine Si network, broken Si network, and isolated Si particles, were regulated through stress relief annealing at 200 °C and 300 °C (designated as SR200 and SR300 respectively), and T6 heat treatment. Microstructure observation, electrochemical testing, corrosion morphology characterization, and scanning Kelvin probe force microscopy (SKPFM) are used to identify the corrosion mechanism. The results show that heat treatment significantly changes the morphology of Si microstructure. The SLM-AlSi10Mg alloy mainly undergoes pitting corrosion in NaCl solution, and pitting preferentially occurs at the molt pool boundary (MPB). The oxide film on the alloy surface has a bilayer structure: inner dense Al<sub>2</sub>O<sub>3</sub> layer and outer porous Al(OH)<sub>3</sub> layer. A more uniform and dense oxide film with stronger protectiveness is formed on Al matrix with networked Si. The inner dense layer on Al matrix with the particulate Si is thinner than with the Si network, resulting in weakened protectiveness. SKPFM analysis reveals that the potential difference between Si and Al matrix increases with the coarsening of the Si network, and the MPB becomes a preferential corrosion area due to the larger potential difference. This study provides a theoretical basis for optimizing the corrosion resistance of SLM-AlSi10Mg alloy.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113336"},"PeriodicalIF":7.4,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145118250","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

Improving the resistance of exfoliation corrosion and stress corrosion cracking for high-strength aluminum alloy via tailored nanoparticles 通过定制纳米颗粒提高高强铝合金的抗剥落腐蚀和应力腐蚀开裂能力

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-19 DOI: 10.1016/j.corsci.2025.113335

Yifu Jiang , Siyang Xu , Jinhua Zhou , Xiulu Zhang , Xiaowei Yin , Jie Hao

{"title":"Improving the resistance of exfoliation corrosion and stress corrosion cracking for high-strength aluminum alloy via tailored nanoparticles","authors":"Yifu Jiang , Siyang Xu , Jinhua Zhou , Xiulu Zhang , Xiaowei Yin , Jie Hao","doi":"10.1016/j.corsci.2025.113335","DOIUrl":"10.1016/j.corsci.2025.113335","url":null,"abstract":"<div><div>High-strength aluminum alloys have emerged as a focal point in materials research due to their exceptional potential for sustainable industrial applications. This study introduces a pre-aging and electric pulse treatment (EPT) following hot compression with 100 ℃ dies to achieve the balance of mechanical properties and corrosion resistance via tailored nanoparticles. Our findings demonstrate that EPT accelerated precipitation process due to its thermal effect and athermal effect. The specimen after EPT exhibited the excellent corrosion resistance, and the thick oxide layer, uniformly distributed η´ and large-sized grain boundary precipitation (GBP) with high Cu content enable to weaken the anodic dissolution, thus decreasing the corrosion rate. Comparing to the specimens in baking treatment condition, the corrosion morphology changes from intergranular corrosion (IGC)/IGC+local IGC to weak local IGC. Besides, the increasing die temperature and the application of EPT promote the improvement of stress corrosion cracking (SCC). The formation of T phase induced by EPT causes the hydrogen repartitioning, significantly enhancing the SCC resistance through decreasing the H accumulation at vulnerable microstructural sites.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113335"},"PeriodicalIF":7.4,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145099615","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

Atmospheric corrosion of Ni-advanced weathering steels in a marine atmosphere of moderate salinity: 10 years of exposure ni -高级耐候钢在中等盐度海洋大气中的大气腐蚀：暴露10年

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-19 DOI: 10.1016/j.corsci.2025.113322

I. Díaz , I. Llorente , V. Rojo , J.F. Marco , J.A. Jiménez , D. de la Fuente

{"title":"Atmospheric corrosion of Ni-advanced weathering steels in a marine atmosphere of moderate salinity: 10 years of exposure","authors":"I. Díaz , I. Llorente , V. Rojo , J.F. Marco , J.A. Jiménez , D. de la Fuente","doi":"10.1016/j.corsci.2025.113322","DOIUrl":"10.1016/j.corsci.2025.113322","url":null,"abstract":"<div><div>Three Ni-advanced weathering steels, with nominal nickel contents of 1 %, 2 %, and 3 wt%, respectively, along with a copper-bearing steel, all manufactured using the electroslag remelting technique, were exposed for 10 years to the pure marine atmosphere of Cabo Vilano in north-west Spain (Camariñas, A Coruña), with an average chloride ion deposition rate of 20.4 mg/m²day. The corrosion curve as a function of exposure time was obtained, yielding actual values of the exponent n from the power-law model. Rusts formed on the steels were quantitatively analyzed using the Rietveld refinement method applied to X-ray diffraction (XRD) data, Mössbauer spectroscopy, SEM/EDS, and BET surface area measurements. The crystallite size of the iron oxyhydroxides present was determined from XRD line broadening using the double-Voigt approach, and the average particle size was also estimated by Mössbauer spectroscopy. The corrosion rate decreased with increasing nickel content in the steel composition, although no significant differences were observed beyond 2 wt% Ni. The amount of goethite quantified by Mössbauer spectroscopy was higher in the nickel-containing steels compared to the values obtained by XRD. Moreover, the amount of superparamagnetic (nanosized) goethite determined by Mössbauer spectroscopy also increased with nickel content.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113322"},"PeriodicalIF":7.4,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154253","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 roles of CO2 and water vapour on the high temperature corrosion of a type 430 stainless steel as an interconnect of bio-gas fuel intermediate temperature SOFCs 二氧化碳和水蒸气对430型不锈钢作为生物气体燃料中温sofc互连的高温腐蚀的作用

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-18 DOI: 10.1016/j.corsci.2025.113330

Thammaporn Thublaor , Padungaut Srihathai , Watcharapon Tengprasert , Grid Suparapinyopapkul , Jiayi Yan , Zhigang Yang , Walairat Chandra-ambhorn , Somrerk Chandra-ambhorn

引用次数: 0

Enhancing the corrosion resistance of low-density steels via Al-rich oxide film formation by grain size optimization 优化晶粒尺寸形成富铝氧化膜以提高低密度钢的耐蚀性

IF 7.4 1区材料科学

Corrosion Science Pub Date : 2025-09-18 DOI: 10.1016/j.corsci.2025.113331

Guang Yang , Li Wang , Xiaoqian Fu , Yucheng Ji , Wenquan Cao , Cunyu Wang , Jianxiong Liang , Chaofang Dong

{"title":"Enhancing the corrosion resistance of low-density steels via Al-rich oxide film formation by grain size optimization","authors":"Guang Yang , Li Wang , Xiaoqian Fu , Yucheng Ji , Wenquan Cao , Cunyu Wang , Jianxiong Liang , Chaofang Dong","doi":"10.1016/j.corsci.2025.113331","DOIUrl":"10.1016/j.corsci.2025.113331","url":null,"abstract":"<div><div>Fe-Mn-Al-C low-density steels have gained widely attention in recent years due to its low density and superior mechanical properties. This study investigated the effects of grain size on oxide film formation and corrosion behavior. Low-density steels with various grain sizes (8.7–32 μm) were prepared by adjusting the solution treatment temperature between 950 ℃ and 1150 ℃. The results indicate that as the solution treatment temperature increases, the grain size increases, and the grain boundary density decreases. The fine-grained sample (S950) rapidly forms an Al-rich oxide film. The film thickness reaches 25.2 ± 1.2 nm, with a low defect density (0.68 ×10<sup>21</sup>/cm<sup>3</sup> and 0.26 ×10<sup>21</sup>/cm<sup>3</sup>) and the lowest corrosion rate (0.160 mm/y). Conversely, the coarse-grained sample (S1150), characterized by a grain size of 32 μm, forms a thinner oxide film (18 ± 0.9 nm) with a reduced Al content (90.17 at% to 69.91 at%) and a higher defect density, and the corrosion rate increases by 43 %. Further analysis reveals that smaller grain sizes and high-density grain boundaries promote the preferential dissolution of elements such as Al at the grain boundaries. This drives the formation of a uniform and stable oxide film. The coarse-grained structure results in discontinuous oxide film growth due to sparse grain boundaries, which increases the Fe/Mn content, and diminishes the corrosion resistance of steels.</div></div>","PeriodicalId":290,"journal":{"name":"Corrosion Science","volume":"257 ","pages":"Article 113331"},"PeriodicalIF":7.4,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145108989","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