Oxidation of Metals最新文献_第10页

The Effect of O(_2) Traces in H(_2)/H(_2)O Atmosphere on Oxide Growth on Iron and Crofer 22 APU at 550 and 600 (^{circ })C H (_2) /H (_2) O气氛中O (_2)痕量对550和600 (^{circ })℃下铁和Crofer 22 APU氧化生长的影响

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-02-24 DOI: 10.1007/s11085-026-10375-5

Thorbjørn Krogsgaard, Jan-Erik Svensson, Lars-Gunnar Johansson, Jan Froitzheim

{"title":"The Effect of O(_2) Traces in H(_2)/H(_2)O Atmosphere on Oxide Growth on Iron and Crofer 22 APU at 550 and 600 (^{circ })C","authors":"Thorbjørn Krogsgaard, Jan-Erik Svensson, Lars-Gunnar Johansson, Jan Froitzheim","doi":"10.1007/s11085-026-10375-5","DOIUrl":"10.1007/s11085-026-10375-5","url":null,"abstract":"<div><p>The effect of O<span>(_2)</span> traces on the oxidation behavior of iron and a Fe–Cr steel interconnect material (Crofer 22 APU) in a 5<span>(%)</span> H<span>(_2)</span> + 3<span>(%)</span> H<span>(_2)</span>O (bal. Ar) environment at 550 and 600 <span>(^{circ })</span>C has been investigated. The reaction of O<span>(_2)</span> with H<span>(_2)</span> in the gas at 550 and 600 <span>(^{circ })</span>C is slow, allowing O<span>(_2)</span> traces to reach the samples, despite an excess of H<span>(_2)</span> in the gas. Traces of unreacted O<span>(_2)</span> resulted in increased oxidation rate as well as hematite formation on iron. The rate of iron oxidation increased with the level of O<span>(_2)</span> in the range of 2–550 ppm. The acceleration of oxide growth by O<span>(_2)</span> traces is attributed to a greater oxygen activity gradient across the iron oxide scale. To remove O<span>(_2)</span> from the gas, a nickel component was positioned upstream from the samples which allowed the gas to equilibrate. Consequently, iron oxidized without hematite formation. Moreover, the use of the nickel component greatly improved the reproducibility of results for both iron and Crofer 22 APU. The use of a catalyst for the O<span>(_2)</span> + H<span>(_2)</span> reaction in H<span>(_2)</span>/H<span>(_2)</span>O exposures proved essential because it provides better control of experimental conditions and thereby more reliable experimental outcomes.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 2","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11085-026-10375-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Hot Corrosion Behavior and Protection of 430 Ferritic Stainless Steel in Nitrate Salts at 650 ℃ 430铁素体不锈钢在650 ℃硝酸盐中的热腐蚀行为及防护

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-02-06 DOI: 10.1007/s11085-026-10374-6

Xingyue Liu, Wenchao Zheng, Xiaolong Li, Guo-jun Tang, Lin Hu, Sanlin Fei, Dunshi Zhou, Lu Gan

{"title":"Hot Corrosion Behavior and Protection of 430 Ferritic Stainless Steel in Nitrate Salts at 650 ℃","authors":"Xingyue Liu, Wenchao Zheng, Xiaolong Li, Guo-jun Tang, Lin Hu, Sanlin Fei, Dunshi Zhou, Lu Gan","doi":"10.1007/s11085-026-10374-6","DOIUrl":"10.1007/s11085-026-10374-6","url":null,"abstract":"<div><p>Hot corrosion leads to a significant challenge for next-generation concentrating solar power systems, particularly in thermal energy storage and heat transfer applications at elevated temperatures. This study investigated the corrosion behavior of 430 ferritic stainless steel in nitrate salts at 650 °C and proposed a targeted protective strategy. The primary novelty lies in the identification of a critical interfacial oxygen recombination mechanism via in situ <sup>18</sup>O isotopic tracing. This mechanism drives oxide phase transformations, reducing activation energy and generating high-density defects that accelerate oxidant transport. Consequently, the uncoated steel suffered catastrophic failure, characterized by a 12-fold increase in oxide scale thickness and severe Cr-depletion. To mitigate this, a multilayer Si-P-Co-W (SPCW) coating was developed. Mechanistically, the coating blocks the interfacial oxygen recombination and suppresses Cr<sup>3+</sup> outward diffusion through a dense tungsten-rich barrier. The coating significantly enhances corrosion resistance, reducing the internal oxidation depth from 13 ± 2.18 μm to 4.5 ± 0.9 μm, demonstrating its potential for high-temperature thermal energy storage applications.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147337207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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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Kinetics and oxide morphology of chromium–tantalate formation on a model alloy Cr-20Ta in low oxygen partial pressure 低氧分压下Cr-20Ta模型合金上钽酸铬生成动力学和氧化物形态

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-01-31 DOI: 10.1007/s11085-025-10365-z

F. Lanoy, E. M. H. White, B. Schäfer, C. Tang, C. Schroer, M. T. Duerrschnabel, B. Gorr, M. C. Galetz

{"title":"Kinetics and oxide morphology of chromium–tantalate formation on a model alloy Cr-20Ta in low oxygen partial pressure","authors":"F. Lanoy, E. M. H. White, B. Schäfer, C. Tang, C. Schroer, M. T. Duerrschnabel, B. Gorr, M. C. Galetz","doi":"10.1007/s11085-025-10365-z","DOIUrl":"10.1007/s11085-025-10365-z","url":null,"abstract":"<div><p>This study investigates the oxidation behavior of a binary Cr-20 at.%Ta alloy in a nitrogen-free, reduced oxygen partial pressure environment at 1000 °C for 48 h, aiming to clarify the intrinsic formation and growth mechanisms of protective (Cr, Ta)O<sub>2</sub> oxides. Chromium outward diffusion primarily governs oxidation, leading to a duplex scale with an outer Cr<sub>2</sub>O<sub>3</sub> layer and an inner (Cr,Ta)O<sub>2</sub> subscale. Two distinct (Cr, Ta)O<sub>2</sub> phases were identified: CrTaO<sub>4</sub> (rutile structure) in outer regions and CrTa<sub>2</sub>O<sub>6</sub> (trirutile structure) closer to the substrate, with CrTa<sub>2</sub>O<sub>6</sub> confirmed as thermodynamically more stable through post-oxidation heat treatment and calculations. Thermogravimetric analysis revealed the parabolic oxidation constant of Cr-20 at.%Ta for fine-grained samples was eight times lower than pure chromium, highlighting the beneficial effect of the (Cr, Ta)O<sub>2</sub> layer. The microstructure significantly influences the protectiveness: fine-grained alloys promoted a continuous (Cr, Ta)O<sub>2</sub> layer, leading to enhanced oxidation resistance, particularly after a transient period required for the protective subscale to establish. This research underscores the critical role of (Cr, Ta)O<sub>2</sub> and microstructure in developing advanced oxidation-resistant refractory alloys.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11085-025-10365-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147342825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Advanced Concepts of Cellular Automata Modeling of Microstructure-Controlled Internal Oxidation 微结构控制内氧化的元胞自动机建模的先进概念

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-01-23 DOI: 10.1007/s11085-026-10373-7

Aleksei Seregin, Katrin Jahns, Dmitry Naumenko, Nima Babaei, Marion Kreins, Ulrich Krupp

{"title":"Advanced Concepts of Cellular Automata Modeling of Microstructure-Controlled Internal Oxidation","authors":"Aleksei Seregin, Katrin Jahns, Dmitry Naumenko, Nima Babaei, Marion Kreins, Ulrich Krupp","doi":"10.1007/s11085-026-10373-7","DOIUrl":"10.1007/s11085-026-10373-7","url":null,"abstract":"<div><p>This study presents an advanced cellular automata model for simulating high-temperature corrosion processes in nickel-based superalloys, with a particular focus on internal oxidation phenomena. Building upon previous work, this enhanced model addresses the limitations of Wagner’s theory by incorporating three-dimensional diffusion, precipitation growth and dissolution, and the influence of grain boundary diffusion. Integrating thermodynamic data, the model simulates the formation of oxide layers and precipitates, predicting oxidation behavior under various conditions. The final model shows good agreement with experimental data and was used to investigate the influence of aluminum on the oxidation behavior of Ni–Cr alloys. The results clearly show that an Al content of 2.5 wt% leads to a discontinuous alumina layer, whereas a continuous barrier with correspondingly improved corrosion properties forms at 5 wt% aluminum and above. Through these insights and the possibility of broad application to a wide range of alloy systems and corrosion conditions, the advanced cellular automata approach enables a more comprehensive understanding of corrosion mechanisms and contributes to the development of corrosion-resistant materials for high-temperature applications.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11085-026-10373-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146027225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Screening of Materials in NaCl–MgCl2 at 600 °C: A Comparative Study Leading to a New Corrosion-Resistance Criterion 600℃NaCl-MgCl2中材料的筛选：一种新的耐腐蚀标准的比较研究

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-01-18 DOI: 10.1007/s11085-025-10370-2

Romain Malacarne, Clara Desgranges, Olivier Genève, Nathalie Gruet, Laure Martinelli, Julien Pertuiset, Jules Phocas, Annabelle Vernouillet

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Compared SIMS and NanoSIMS Analyses of Duplex Oxide Layers Growth After Sequential Oxidation Tests Using Oxygen Isotope Tracers 比较使用氧同位素示踪剂连续氧化测试后双氧化层生长的SIMS和NanoSIMS分析

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-01-16 DOI: 10.1007/s11085-025-10372-0

Sergio Diez Mayo, Fabien Rouillard, François Jomard, Maximilien Verdier Paoletti, Laure Martinelli

{"title":"Compared SIMS and NanoSIMS Analyses of Duplex Oxide Layers Growth After Sequential Oxidation Tests Using Oxygen Isotope Tracers","authors":"Sergio Diez Mayo, Fabien Rouillard, François Jomard, Maximilien Verdier Paoletti, Laure Martinelli","doi":"10.1007/s11085-025-10372-0","DOIUrl":"10.1007/s11085-025-10372-0","url":null,"abstract":"<div><p>A precise methodology for determining the growth mode of oxide layers on metallic materials at high temperatures is proposed. The approach combines sequential isotopic oxidation tests (using <sup>16</sup>O and <sup>18</sup>O isotopes) with secondary ion mass spectrometry (SIMS and nanoSIMS) analyses. NanoSIMS provides high-resolution localisation of oxygen diffusion pathways and oxide growth zones. However, its limited accessibility and specialised instrumentation can pose practical constraints. In contrast, dynamic SIMS offers broader accessibility and the ability to directly quantify oxygen isotope ratios across depth profiles. The detection of both conventional atomic (O<sup>−</sup>) and diatomic (O<sub>2</sub><sup>−</sup>) oxygen signals in dynamic SIMS analysis proved highly effective in offering insights on oxide growth mode, closely replicating nanoSIMS results. The diatomic signal analysis complements the atomic signal data by improving the understanding of oxidant transport within the oxide layer. The methodology was validated through its application to a Co-10Cr alloy oxidised at 900 °C in O<sub>2</sub>, under sequential exposures to <sup>16</sup>O and <sup>18</sup>O isotopes. Both SIMS and nanoSIMS revealed the formation of a duplex oxide layer, consisting of an outer layer formed by outward Co cation diffusion and an inner layer growing by inward oxygen penetration, particularly in the grain-boundary regions of the outer oxide layer. The alloy is proposed to oxidise according to the Available Space Model.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11085-025-10372-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145983045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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The Effect of Microstructure and Surface Finish on the High Temperature Oxidation of Laser Powder Bed Fused IN625 显微组织和表面光洁度对激光粉末床熔合IN625高温氧化的影响

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-01-08 DOI: 10.1007/s11085-025-10369-9

E. R. Lewis, A. C. Cruchley, B. Attard, Z. Gao, N. Cruchley, M. M. Attallah, S. Cruchley

{"title":"The Effect of Microstructure and Surface Finish on the High Temperature Oxidation of Laser Powder Bed Fused IN625","authors":"E. R. Lewis, A. C. Cruchley, B. Attard, Z. Gao, N. Cruchley, M. M. Attallah, S. Cruchley","doi":"10.1007/s11085-025-10369-9","DOIUrl":"10.1007/s11085-025-10369-9","url":null,"abstract":"<div><p>Isothermal oxidation of Laser Powder Bed-Fused (L-PBF) IN625 was investigated in air at 950 ℃ for 1000 h, across multiple heat-treated and surface conditions. Surface finish was the dominant factor influencing oxidation kinetics, with microstructure exerting a measurable secondary effect. Ground L-PBF IN625 exhibited oxidation behaviour comparable to wrought Ni-based superalloys, regardless of microstructural anisotropy. Additive surface roughness and Centrifugal High Energy Finished surfaces exhibited accelerated kinetics and a departure from sub-parabolic to cubic behaviour, showing spallation, severe void formation and intergranular oxidation. Segmented kinetic analysis revealed that additive surfaces exhibited an oxidation rate index (<i>n</i> > 2) during early exposure, followed by a transition to slower growth. Mn-spinel was detected throughout the external scale, but its mechanistic contribution to this transition remains uncertain. Growth of the near-continuous Ni<sub>3</sub>(Nb, Mo) <i>δ</i>-phase varied by condition and is proposed to improve the adherence of chromia by increasing the critical temperature change for spallation.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11085-025-10369-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145930456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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High Temperature Oxidation Behavior of Haynes 214 Superalloy and the Influence of Yttrium Element Haynes 214高温合金的高温氧化行为及钇元素的影响

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2026-01-07 DOI: 10.1007/s11085-025-10371-1

Jiaao Liu, Weihong Zhang, Leiwen Wang, Xin Xin, Yichao Cao, Chongwei Zhu, Xuhui Zhu, Wenru Sun

{"title":"High Temperature Oxidation Behavior of Haynes 214 Superalloy and the Influence of Yttrium Element","authors":"Jiaao Liu, Weihong Zhang, Leiwen Wang, Xin Xin, Yichao Cao, Chongwei Zhu, Xuhui Zhu, Wenru Sun","doi":"10.1007/s11085-025-10371-1","DOIUrl":"10.1007/s11085-025-10371-1","url":null,"abstract":"<div><p>The high-temperature oxidation behavior of Haynes 214 alloy with different yttrium contents (0.0016 ~ 0.089 wt.%) at 950 °C was investigated. The results revealed a non-monotonic dependence of oxidation resistance on Y content, with an optimum at approximately 0.012 wt.%. At this optimal composition, Y increases the alloy lattice constant, which enhances the diffusion of Al to the surface. This ensures the formation of a continuous and dense Al<sub>2</sub>O<sub>3</sub>-based protective scale. In contrast, at Y contents below this optimum, insufficient Al diffusion leads to a non-protective oxide scale prone to spallation. When Y exceeds its solid solubility limit, excess Y precipitates as Ni<sub>5</sub>Y phases. These precipitates act as fixed short-circuit paths for oxygen during oxidation, initiating internal oxidation and ultimately degrading the protective scale. Therefore, the optimal Y window for Haynes 214 is defined by a balance between enhanced Al diffusion and the avoidance of detrimental Ni<sub>5</sub>Y precipitation.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145930517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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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High-power Arc Ion Plating γ’-Based Coatings: α/β-Free Design for Oxidation and Interdiffusion Behavior 大功率电弧离子镀γ′基涂层：无α/β氧化和互扩散行为设计

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2025-12-29 DOI: 10.1007/s11085-025-10367-x

Yuesui Lei, Zejie Li, Wei Wang, Yuxian Cheng, Mingli Shen, Shenglong Zhu, Fuhui Wang

{"title":"High-power Arc Ion Plating γ’-Based Coatings: α/β-Free Design for Oxidation and Interdiffusion Behavior","authors":"Yuesui Lei, Zejie Li, Wei Wang, Yuxian Cheng, Mingli Shen, Shenglong Zhu, Fuhui Wang","doi":"10.1007/s11085-025-10367-x","DOIUrl":"10.1007/s11085-025-10367-x","url":null,"abstract":"<div><p>Conventional NiCrAlY coatings primarily consist of α, β, and γ phases. Interdiffusion between the coating and substrate during high-temperature oxidation, along with the associated issue of oxide spallation, has long been a significant concern. In this study, a novel α/β-free γ’ coating was developed, and its oxidation and interdiffusion behavior at 1100 °C was compared with that of a conventional NiCrAlY coating. The oxidation rate constant of the α/β/γ NiCrAlY coating was measured to be 2.4 times that of the γ’ coating, which may be attributed to the doping of reactive elements in the oxide scale promoting oxide growth, while oxide scale spallation further accelerates this kinetic process. The Ta-rich γ’ phase formed at the γ’ coating/substrate interface effectively suppresses the diffusion of substrate elements such as Hf into the coating. Simultaneously, the inherent suppression of α and β phase formation in the γ’ coating is expected to prevent oxide scale spallation induced by phase transformations. Furthermore, a second reaction zone (SRZ) over 50 μm thick was observed beneath the α/β/γ NiCrAlY coating after only 20 h of oxidation, while no SRZ was observed beneath the γ’ coating during oxidation. This significant difference indicates that variations in phase composition directly affect the chemical compatibility between the coating and substrate, thereby playing a crucial role in SRZ formation.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145886895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 Eu3+ Doping on the Interfacial Fracture Toughness of Yttria-Stabilized Zirconia Thermal Barrier Coatings in Flame Thermal Shock Condition Eu3+掺杂对氧化钇稳定氧化锆热障涂层火焰热冲击界面断裂韧性的影响

IF 1.5 3区材料科学

Oxidation of Metals Pub Date : 2025-12-26 DOI: 10.1007/s11085-025-10363-1

Yankuan Liu, Etienne Copin, Liping Yang, Sandrine Duluard, Florence Ansart, Philippe Lours, Zhiping Wang

{"title":"Effect of Eu3+ Doping on the Interfacial Fracture Toughness of Yttria-Stabilized Zirconia Thermal Barrier Coatings in Flame Thermal Shock Condition","authors":"Yankuan Liu, Etienne Copin, Liping Yang, Sandrine Duluard, Florence Ansart, Philippe Lours, Zhiping Wang","doi":"10.1007/s11085-025-10363-1","DOIUrl":"10.1007/s11085-025-10363-1","url":null,"abstract":"<div><p>This study mainly focuses on the effect of small amount additions of Eu<sup>3+</sup> in substitution for Y<sup>3+</sup> on the thermal conductivity of YSZ TBCs, and the evaluation of coatings resistance to severe thermal shock cycles. Eu<sup>3+</sup> doped and undoped YSZ coatings were prepared by APS method. Thermal conductivity of the two coatings was measured and both types of coatings were subjected to thermal shock condition under a steady propane flame at 1100 °C. Results showed that thermal conductivity of the YSZ:Eu coating is 10–19% lower than that of the YSZ coating at the same temperature, indicating that only 2 mol% Eu<sup>3+</sup> doping can effectively reduce the thermal conductivity of the YSZ TBCs. For the same treatment conditions, the interfacial fracture toughness of the YSZ:Eu coating is slightly higher than that of the YSZ coating and the TGO thickness is thinner, indicating that 2 mol% Eu<sup>3+</sup> doping is prone to inhibit the growth of TGO and improve the coating’s interfacial properties. Comparison between flame thermal shock and furnace isothermal / cyclic oxidation treatment confirmed that flame thermal shock is a more severe and destructive treatment as it results in higher densities of micro-cracks and pores within the TGO, thus inducing a lower interfacial fracture toughness value.</p></div>","PeriodicalId":724,"journal":{"name":"Oxidation of Metals","volume":"103 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2025-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145831526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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