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Effect of NaCl and SO2 on the stress corrosion cracking of CMSX-4 at 550°C NaCl和SO2对550℃CMSX-4应力腐蚀开裂的影响
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-05-01 DOI: 10.1080/09603409.2023.2205760
F. Duarte Martinez, A. Syed, K. Dawson, G. Tatlock, N. Morar, M. Kothari, C. Tang, J. Leggett, J. Mason-Flucke, G. Gibson, J. Nicholls, S. Gray, G. Castelluccio
{"title":"Effect of NaCl and SO2 on the stress corrosion cracking of CMSX-4 at 550°C","authors":"F. Duarte Martinez, A. Syed, K. Dawson, G. Tatlock, N. Morar, M. Kothari, C. Tang, J. Leggett, J. Mason-Flucke, G. Gibson, J. Nicholls, S. Gray, G. Castelluccio","doi":"10.1080/09603409.2023.2205760","DOIUrl":"https://doi.org/10.1080/09603409.2023.2205760","url":null,"abstract":"ABSTRACT In the pursuit of more efficient gas turbine engines, components are required to operate for longer times at elevated temperatures. This increased time in service, together with a complex loading regime, can expose the material to environmental attack. This work has demonstrated that the interaction of stress, NaCl and a sulphur-containing environment is critical to cause crack initiation in the early stages of the exposure and accelerated corrosion rates in CMSX-4 at 550°C. The effect of having small concentrations of moisture in the gaseous environment or as water crystallisation in the salt is still to be investigated. A working hypothesis is that the interaction of alkali chlorides with a sulphur-containing atmosphere is the trigger to a self-sustaining cycle where metal chloride formation, vaporisation and oxidation lead to high amounts of hydrogen injection in a rapid manner and, therefore, hydrogen embrittlement.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87262631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Low cycle fatigue and creep–fatigue performance of 316SS formed by selective laser melting 选择性激光熔化成形316SS的低周疲劳和蠕变疲劳性能
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-05-01 DOI: 10.1080/09603409.2023.2205761
Lingfeng Pan, Peishan Ding, Dezhou Kong, Lijun Liu, Xiaotao Zheng
{"title":"Low cycle fatigue and creep–fatigue performance of 316SS formed by selective laser melting","authors":"Lingfeng Pan, Peishan Ding, Dezhou Kong, Lijun Liu, Xiaotao Zheng","doi":"10.1080/09603409.2023.2205761","DOIUrl":"https://doi.org/10.1080/09603409.2023.2205761","url":null,"abstract":"ABSTRACT The fatigue and creep–fatigue properties of 316SS formed by selective laser melting (SLM) were investigated, considering the effects of different peak stresses, stress rates and peak-holding times on the ratcheting and creep-ratcheting behaviour of SLM 316 SS specimens at different sampling angles (0°, 90°) and high temperatures (550°C, 650°C, 750°C). Results show that the 90° specimens exhibited better fatigue life than that of the 0° specimens. Moreover, the ratcheting evolution can be divided into three stages, but the first stage is very short and the main ratcheting behaviour takes place in the second and third stages. Interestingly, it was found that at stress rates above 10 MPa/s, the ratcheting evolution curves are highly overlapping. Furthermore, the creep–fatigue interaction promotes the evolution of material damage. Besides, creep increases the total strain of 316SS even with a short dwell time (0.5 min).","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82216292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Study on the composition, microstructure and properties of new W-Al alloyed ethylene cracking furnace tube under 1100 ℃ carburising test conditions 1100℃渗碳试验条件下新型W-Al合金乙烯裂解炉管的组成、组织和性能研究
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-04-27 DOI: 10.1080/09603409.2023.2205763
C. Liu, Tao Chen, Zhigang Wu, Xinglei Wang, H. Luo, Jiantao Wang
{"title":"Study on the composition, microstructure and properties of new W-Al alloyed ethylene cracking furnace tube under 1100 ℃ carburising test conditions","authors":"C. Liu, Tao Chen, Zhigang Wu, Xinglei Wang, H. Luo, Jiantao Wang","doi":"10.1080/09603409.2023.2205763","DOIUrl":"https://doi.org/10.1080/09603409.2023.2205763","url":null,"abstract":"ABSTRACT The carburising tests were carried out at 1100 ℃ for 50 h, 100 h, 150 h and 200 h for a new type of tungsten-aluminium alloyed ethylene cracking furnace tube. The composition, microstructure transformation and performance of furnace tubes were analysed. The results showed that the average carbon content within 1 mm of the inner wall increased with the prolongation of carburising time. The thickness of carburised layer increased from 0.3 mm to 1.5 mm. The carbides in as cast structure were mainly massive (Cr, Fe, W)23C6 on the outside and fishbone (Cr, Fe, W)7C3 on the inside. During carburising process, the external (Cr, Fe, W)23C6 carbides coarsened and transformed into (Cr, Fe)7C3, and then gradually transformed into (Cr, Fe, W)7C3. Carbide coarsening mainly occurred in internal (Cr, Fe, W)7C3 during carburising. The carbide precipitation and transformation also led to Vickers hardness value of furnace tube increased.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85894841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
High-temperature oxidation of Haynes 282 microtubes in CO2 Haynes 282微管在CO2中的高温氧化
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-04-25 DOI: 10.1080/09603409.2023.2205666
Narayanan Murali, A. Ghazari, Shiqi Zheng, Kaiyuan Jin, T. Fisher, N. Ghoniem, Xiaochun Li
{"title":"High-temperature oxidation of Haynes 282 microtubes in CO2","authors":"Narayanan Murali, A. Ghazari, Shiqi Zheng, Kaiyuan Jin, T. Fisher, N. Ghoniem, Xiaochun Li","doi":"10.1080/09603409.2023.2205666","DOIUrl":"https://doi.org/10.1080/09603409.2023.2205666","url":null,"abstract":"ABSTRACT The oxidation characteristics of Haynes 282 microtubes measuring 1 mm in diameter and 200 µm thick exposed to CO2 at elevated temperature are reported. After 215 hours at 700°C and 1 atm, a thin, protective chromia scale accumulates up to 2.03 µm from the outer surface, approximately 1% of the thickness, and internal aluminum oxidation is observed 2.59 µm from the inner surface. The results suggest that oxidation is limited by oxygen diffusion through the growing oxide scale layer. The average grain size in the microtube is 10 µm, and it decreases to 5 µm closer to the inner surface. Severe plastic deformation and variable dynamic recovery and recrystallization from the manufacturing process were observed throughout the microtube. Overall grain size and distribution in the microtube were found to be independent of thermal exposure, despite the occurrence of recrystallization. The superalloy microtube geometry shows promising performance in high-temperature thermal applications.      ","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77346803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
Creep behaviour of Q245R steel at 550 ℃ 550℃时Q245R钢的蠕变行为
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-04-11 DOI: 10.1080/09603409.2023.2201713
Jinquan Guo, Chao Tang, Fang Wang, K. Liu, Jingwei Zhang, H. Lai
{"title":"Creep behaviour of Q245R steel at 550 ℃","authors":"Jinquan Guo, Chao Tang, Fang Wang, K. Liu, Jingwei Zhang, H. Lai","doi":"10.1080/09603409.2023.2201713","DOIUrl":"https://doi.org/10.1080/09603409.2023.2201713","url":null,"abstract":"ABSTRACT Q245R steel has good heat and corrosion resistant and is used in various applications, such as reactors, regenerators, reformed gas steam generators, and other equipment. In this study, the creep behaviour of Q245R steel at the temperature of 550 ℃ is investigated. In addition to the modified Kachanov-Robotnov (K-R) method, the traditional and modified θ projection methods were employed to establish the creep constitutive equations of Q245R steel. The results revealed that at small strains, the creep prediction curve was in good agreement with the test curve, and the prediction accuracy of the modified θ projection method was better than that of the other two models.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87718868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Creep ductility and modified Monkman-Grant equation for Gr.92 by incorporating total strain 包含总应变的Gr.92的蠕变延性和修正的Monkman-Grant方程
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-04-03 DOI: 10.1080/09603409.2023.2195060
F. Abe
{"title":"Creep ductility and modified Monkman-Grant equation for Gr.92 by incorporating total strain","authors":"F. Abe","doi":"10.1080/09603409.2023.2195060","DOIUrl":"https://doi.org/10.1080/09603409.2023.2195060","url":null,"abstract":"ABSTRACT A modified Monkman-Grant equation, which can provide a more accurate means of predicting creep rupture life than the standard Monkman-Grant formula, has been investigated for Gr.92 using creep data in the NIMS Creep Data Sheets at 550 to 750°C. The t r versus minimum creep rate min plot, which is called the Monkman-Grant relation, deviates downward at low stresses and long times. Better correlation of the t r with the min is obtained by the replacement of t r with (t r /ε r), where ε r is the total or rupture strain. The (t r /ε r) is inversely proportional to the min over a wide range of stress, temperature and test duration, and the magnitude of data scattering is only a little bit even at low stresses and long times. The creep life of Gr.92 can be predicted by evaluating the min, together with the ε r evaluated from the stress and or min dependence.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80663172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Fabrication of Ni-Co film for enhancing the high-temperature corrosion resistance of interconnects in solid oxide fuel cells (SOFCs) 提高固体氧化物燃料电池互连层耐高温腐蚀性能的Ni-Co膜的制备
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-03-29 DOI: 10.1080/09603409.2023.2195706
Rungsan Sriwilai, Piyapong Tongsong, Jennarong Tungtrongpairoj, P. Visuttipitukul, Kattareeya Taweesup
{"title":"Fabrication of Ni-Co film for enhancing the high-temperature corrosion resistance of interconnects in solid oxide fuel cells (SOFCs)","authors":"Rungsan Sriwilai, Piyapong Tongsong, Jennarong Tungtrongpairoj, P. Visuttipitukul, Kattareeya Taweesup","doi":"10.1080/09603409.2023.2195706","DOIUrl":"https://doi.org/10.1080/09603409.2023.2195706","url":null,"abstract":"ABSTRACT Low-cost Ni-Co alloy coating was performed by electroplating technique to improve the high-temperature corrosion resistance of stainless steel interconnects in solid oxide fuel cells (SOFCs). The effect of plating on the surface morphology, microstructure and composition of Ni-Co alloys was investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD) and atomic force microscopy (AFM). The Ni-Co coatings were fabricated at thickness of around two microns and compared at different Ni-Co molar ratios. Corrosion performance of Ni-Co coating was evaluated in a muffle furnace under ambient atmosphere at 800℃ for 110 h. Co2NiO4 spinel oxides and Cr2O3 were found on the Ni-Co coated samples after the oxidation test. Results indicated that steel substrate corrosion protection improved with a low parabolic rate constant of 20 times after Ni-Co alloy electrodeposition coating. A smooth coating layer containing Co2NiO4 oxide with fewer defects promoted high oxidation resistance of the steel samples.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83789756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
Fireside performance of different coatings in biomass power plant 生物质发电厂不同涂料炉边性能研究
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-03-12 DOI: 10.1080/09603409.2023.2188351
S. Mori, Andrew Pidcock, J. Sumner, N. Simms, J. Oakey
{"title":"Fireside performance of different coatings in biomass power plant","authors":"S. Mori, Andrew Pidcock, J. Sumner, N. Simms, J. Oakey","doi":"10.1080/09603409.2023.2188351","DOIUrl":"https://doi.org/10.1080/09603409.2023.2188351","url":null,"abstract":"ABSTRACT The energy sector will need to employ novel strategies to reduce greenhouse gas emissions, such as the increase of steam temperatures/pressures or the use of low carbon fuels (i.e. biomass). Both cause heat exchanger materials’ degradation issues, due to the formation of more/different corrosive deposits, which requires the use of expensive nickel-based materials or coatings. This paper focuses on the behaviour of three different coatings (HVOF NiCrFeSi, laser clad FeCrAl and Laser Clad NiCrFeSi) deposited on TP347HFG, at 700°C (up to 1000 h exposure). Tests were performed using the ‘deposit recoat’ method (KCl deposit) in simulated biomass combustion environments. Cross-sections were analysed using dimensional metrology, to determine distributions of metal loss and internal damage. Intergranular damage and pits were identified using SEM/EDX. A ‘diffusion cell’ behaviour was observed, which led to depletion of alloying elements from the coating and consequent increase in damage. The results suggested a severe degradation of all coatings.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81906748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 microscopy study of nickel-based superalloys performance in type I hot corrosion conditions 镍基高温合金在I型热腐蚀条件下性能的显微研究
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-03-10 DOI: 10.1080/09603409.2023.2188355
Manon Waeytens, A. Syed, Tracey Roberts, F. D. Martinez, S. Gray, J. Nicholls
{"title":"A microscopy study of nickel-based superalloys performance in type I hot corrosion conditions","authors":"Manon Waeytens, A. Syed, Tracey Roberts, F. D. Martinez, S. Gray, J. Nicholls","doi":"10.1080/09603409.2023.2188355","DOIUrl":"https://doi.org/10.1080/09603409.2023.2188355","url":null,"abstract":"ABSTRACT Alloy material selection for sustainable, efficient, and cost-effective use in components is a key requirement for both power generation and aerospace sectors. Superalloys are manufactured using a combination of different elements, selected carefully to balance mechanical performance and environmental resistance to be used in a variety of different service conditions. Therefore, a fundamental understanding of each element is critical to alloy design. In this paper, the interaction of alloy chemistry, particularly chromium as a corrosion-resistant element along with titanium and molybdenum, and their effect on alloys performance for the relevant gas turbine industries were discussed. Based on the findings, the single-crystal alloy is found to be a better corrosion resistant alloy exhibited higher corrosion resistance in comparison to polycrystal alloys and proved that microstructure has a significant impact on alloy performance. This study also established that molybdenum level in chromia former alloys can significantly enhance the corrosion damage.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75132509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 2
Evaluation of the environmental impacts and economical study of Solar Salt in CSP-parabolic trough technology 光热抛物面槽技术中太阳能盐的环境影响评价及经济性研究
IF 1.3 4区 材料科学
Materials at High Temperatures Pub Date : 2023-03-06 DOI: 10.1080/09603409.2023.2182588
M. Lambrecht, G. García-Martin, M. I. Lasanta, M. Miguel, R. Díaz, F. Pérez-Trujillo
{"title":"Evaluation of the environmental impacts and economical study of Solar Salt in CSP-parabolic trough technology","authors":"M. Lambrecht, G. García-Martin, M. I. Lasanta, M. Miguel, R. Díaz, F. Pérez-Trujillo","doi":"10.1080/09603409.2023.2182588","DOIUrl":"https://doi.org/10.1080/09603409.2023.2182588","url":null,"abstract":"ABSTRACT The performance of a concentrated solar power plant is strongly driven by its heat storage capacity and is evolving through the development of new salt mixtures. Molten nitrates, which have already proved their high potential, can be further improved in terms of economic and environmental aspects, with the mitigation of toxic compounds and a higher electricity generation capability. In this work, stability range and energy density characterisations were performed on the nitrate ‘Solar’ salt, along with its life cycle assessment, environmental impact, and cost analysis.","PeriodicalId":49877,"journal":{"name":"Materials at High Temperatures","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2023-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81013321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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