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Notch sensitivity of combined mode I–II fracture behaviour of a rolled magnesium alloy 轧制镁合金I–II型复合断裂行为的缺口敏感性
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2023-02-14 DOI: 10.1080/09500839.2023.2173989
Dhrubjyoti Baruah, K. Vaishakh, S. Sreedhar, S. K. Gupta, S. Suwas, R. Narasimhan
{"title":"Notch sensitivity of combined mode I–II fracture behaviour of a rolled magnesium alloy","authors":"Dhrubjyoti Baruah, K. Vaishakh, S. Sreedhar, S. K. Gupta, S. Suwas, R. Narasimhan","doi":"10.1080/09500839.2023.2173989","DOIUrl":"https://doi.org/10.1080/09500839.2023.2173989","url":null,"abstract":"","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45345389","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
Comparative study of microstructure and mechanical properties of thermo-mechanically processed Al(0.2, 0.5) CoCrFeNiMo0.5 high-entropy alloys 热机械加工Al(0.2, 0.5) CoCrFeNiMo0.5高熵合金组织与力学性能的比较研究
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2023-02-14 DOI: 10.1080/09500839.2023.2170490
Yasam Palguna, Rajesh Korla
{"title":"Comparative study of microstructure and mechanical properties of thermo-mechanically processed Al(0.2, 0.5) CoCrFeNiMo0.5 high-entropy alloys","authors":"Yasam Palguna, Rajesh Korla","doi":"10.1080/09500839.2023.2170490","DOIUrl":"https://doi.org/10.1080/09500839.2023.2170490","url":null,"abstract":"","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48836599","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
Effect of ultrasonic treatment on grain refinement and mechanical properties of Al-2Mg alloy 超声处理对Al-2Mg合金晶粒细化及力学性能的影响
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2023-01-12 DOI: 10.1080/09500839.2022.2162617
A. Thakur, R. Gupta, V. Udhayabanu, D. Peshwe, Y. Mahajan
{"title":"Effect of ultrasonic treatment on grain refinement and mechanical properties of Al-2Mg alloy","authors":"A. Thakur, R. Gupta, V. Udhayabanu, D. Peshwe, Y. Mahajan","doi":"10.1080/09500839.2022.2162617","DOIUrl":"https://doi.org/10.1080/09500839.2022.2162617","url":null,"abstract":"","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47816490","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
Prospect for application of radial distribution function in coal carbonisation research 径向分布函数在煤碳化研究中的应用前景
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-12-02 DOI: 10.1080/09500839.2022.2155721
Xiaoxia Shang, Meijun Wang, Zhihong Li, L. Chang, Yanfeng Shen
{"title":"Prospect for application of radial distribution function in coal carbonisation research","authors":"Xiaoxia Shang, Meijun Wang, Zhihong Li, L. Chang, Yanfeng Shen","doi":"10.1080/09500839.2022.2155721","DOIUrl":"https://doi.org/10.1080/09500839.2022.2155721","url":null,"abstract":"ABSTRACT Carbonisation is an important way of comprehensive utilisation of coal. In this short contribution, the application of wide angle X-ray scattering (WAXD) and radial distribution function (RDF) in coal carbonisation research is briefly reviewed and prospected. General WAXD analysis can only provide basic geometrical structural parameters of crystals in the sample; while RDF derived from WAXD by Fourier transform can give further detailed structural parameters of coordination of atoms in sample. The application of RDF in coal science has been reported in offline static studies, but not in-situ studies. Here, a new ideal to perform in-situ RDF study on coal carbonisation is presented, which is based on a powerful synchrotron radiation platform with a proper detector and a high-temperature furnace. Thus, it is expected to obtain the fine dynamic structural evolution characteristics of coal during carbonisation.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"102 1","pages":"435 - 446"},"PeriodicalIF":1.2,"publicationDate":"2022-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48858499","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
Deformation behavior at cryogenic temperature in extruded Mg–Al–Zn alloy 挤压Mg–Al–Zn合金的低温变形行为
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-11-18 DOI: 10.1080/09500839.2022.2143592
H. Somekawa, Yukiko Ogawa, Y. Ono, Ashutosh Kumar Singh
{"title":"Deformation behavior at cryogenic temperature in extruded Mg–Al–Zn alloy","authors":"H. Somekawa, Yukiko Ogawa, Y. Ono, Ashutosh Kumar Singh","doi":"10.1080/09500839.2022.2143592","DOIUrl":"https://doi.org/10.1080/09500839.2022.2143592","url":null,"abstract":"ABSTRACT The effect of grain size on tensile deformation behaviors at room- and cryogenic-temperatures was examined using extruded Mg–Al–Zn (AZ31) alloys with different average grain sizes of 3.7, 14.0, and 38.7 μm. The mechanical properties were influenced by the grain size as well as the testing temperature. Strength increased with a finer grained structure and a lower testing temperature. Regarding the elongation-to-failure in tension, all the alloys tested at cryogenic-temperature exhibited about half the values of those at room-temperature. Deformed microstructural observations revealed that deformation twins formed in the alloys with coarse- and meso-grained structures, but decreased with grain refinement. The reduction of twin formation at both room- and cryogenic-temperatures is due to enhancement of grain boundary plasticity. Contrary to our expectation, it is interesting to note that grain boundary compatibility contributes to activation of non-basal dislocation slips, irrespective of testing temperatures. In addition, dislocation slips lead to occurrence of strain hardening after yielding even at 77 K.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"102 1","pages":"396 - 406"},"PeriodicalIF":1.2,"publicationDate":"2022-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48398914","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
Structure evolution of vacancy-hydrogen complexes in a nickel-based single-crystal superalloy 镍基单晶高温合金中空位-氢配合物的结构演变
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-11-12 DOI: 10.1080/09500839.2022.2145026
Xiaozhi Tang, Xiao-Tong Li, Ya-Fang Guo
{"title":"Structure evolution of vacancy-hydrogen complexes in a nickel-based single-crystal superalloy","authors":"Xiaozhi Tang, Xiao-Tong Li, Ya-Fang Guo","doi":"10.1080/09500839.2022.2145026","DOIUrl":"https://doi.org/10.1080/09500839.2022.2145026","url":null,"abstract":"ABSTRACT The structural stability of vacancy-hydrogen complexes at the interface in nickel-based single-crystal superalloy is accessed mainly by calculating the activation energies associated with the evolution of their structures. It is found that the structure evolution and subsequent decomposition of the complex needs little time to be thermally activated at the service temperature of an aeroengine, and misfit dislocations at the interface significantly reduces the energy barrier for decomposition. Therefore, during the creep process, which is more severe at high temperatures, vacancies around misfit dislocations are not expected to enhance hydrogen interfacial segregation, although vacancy-hydrogen complexes are quite stable at room temperature.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"102 1","pages":"407 - 416"},"PeriodicalIF":1.2,"publicationDate":"2022-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48720478","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
Effect of size and vacancy defects on buckling properties of arsenene nanosheets 尺寸和空位缺陷对亚砷酸纳米片屈曲性能的影响
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-11-07 DOI: 10.1080/09500839.2022.2140216
Zhenyu Sun, Guili Liu, Juan Guo
{"title":"Effect of size and vacancy defects on buckling properties of arsenene nanosheets","authors":"Zhenyu Sun, Guili Liu, Juan Guo","doi":"10.1080/09500839.2022.2140216","DOIUrl":"https://doi.org/10.1080/09500839.2022.2140216","url":null,"abstract":"ABSTRACT Vacancy defects and size variations are inevitable in the preparation of arsenene nanosheets, and the effect of size and random distribution of vacancy defects on the buckling properties of arsenene nanosheets is not negligible. Previous research methods, such as molecular dynamics, have limitations in terms of computational cost when investigating this aspect. In this paper, a model of arsenene nanosheets is developed based on the finite element method and the buckling properties of arsenene nanosheets are investigated under various operating conditions such as different sizes, different orientations and the presence of vacancy defects. The results show that the buckling performance of arsenene nanosheets is enhanced by smaller size. In contrast, the presence of vacancy defects leads to the destruction of the original structure of arsenene nanosheets, resulting in a decrease in their buckling properties. This study provides an important contribution to the investigation of the buckling properties of arsenene nanosheets.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"102 1","pages":"378 - 395"},"PeriodicalIF":1.2,"publicationDate":"2022-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43087712","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
Preparation and characterisation of the Al-Cr-Fe-Mn-Mo high-entropy alloy reinforced by in-situ formed carbides 原位生成碳化物增强Al-Cr-Fe-Mn-Mo高熵合金的制备及性能
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-10-20 DOI: 10.1080/09500839.2022.2134938
T. Stasiak, M. Sow, M. Touzin, F. Béclin, C. Cordier
{"title":"Preparation and characterisation of the Al-Cr-Fe-Mn-Mo high-entropy alloy reinforced by in-situ formed carbides","authors":"T. Stasiak, M. Sow, M. Touzin, F. Béclin, C. Cordier","doi":"10.1080/09500839.2022.2134938","DOIUrl":"https://doi.org/10.1080/09500839.2022.2134938","url":null,"abstract":"ABSTRACT This study aimed to prepare a composite of the high-entropy alloy from the Al-Cr-Fe-Mn-Mo system reinforced by in-situ formed carbides using powder metallurgy techniques. The alloyed powder was prepared by mechanical alloying in ball-mill devices from pure elemental powders with the addition of a process control agent, namely stearic acid. Then, the alloyed powder was consolidated by hot-press sintering. The structure and microstructure of powder and bulk samples were investigated. The mechanical properties of the bulk sample were evaluated. The investigations revealed two bcc phases in the mechanically alloyed powder. The powder annealing at 950°C triggered the phase transformations, which led to the formation of the multielement matrix bcc phase (a = 2.91 Å) reinforced by two carbides molybdenum-rich M6C (a = 11.15 Å) and chromium-rich M23C6 (a = 10.66 Å). A similar composite structure was present in the bulk sample. The investigations suggested that the primary carbon source for carbide formation was the process control agent – stearic acid. The produced bulk composite revealed promising mechanical properties, such as very high hardness up to 1223 ± 99 HV2 and Young’s modulus of 246 ± 10 GPa.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"102 1","pages":"368 - 377"},"PeriodicalIF":1.2,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47814075","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
Influence of Co content on the simultaneous enhancement of strength and ductility in severely drawn textured Ni-Co microwires Co含量对严重拉丝织构Ni-Co微丝强度和延性同时增强的影响
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-10-06 DOI: 10.1080/09500839.2022.2129108
Girish Bojjawar, Satyam Suwas, Atul H. Chokshi
{"title":"Influence of Co content on the simultaneous enhancement of strength and ductility in severely drawn textured Ni-Co microwires","authors":"Girish Bojjawar, Satyam Suwas, Atul H. Chokshi","doi":"10.1080/09500839.2022.2129108","DOIUrl":"https://doi.org/10.1080/09500839.2022.2129108","url":null,"abstract":"<p><b>ABSTRACT</b></p><p>This study examines the deformation behaviour of Ni-Co microwires exhibiting high strengths and ductility, where the addition of Co is intended to decrease the stacking fault energy. A reduction in stacking fault energy is likely to retard the recovery processes, refine grain size and enhance strain hardening by dislocation interactions at twin boundaries. Microwires were drawn to a strain of 5.88, from annealed Ni-Co alloys with Co content varying from 30 to 60 wt%. Subsequent tensile testing revealed a simultaneous increase in strength and ductility with an increase in Co content. The enhanced strength is a consequence of the finer grain size with an increase in Co, and the larger ductility is related to a combination of greater strain hardening and a higher strain rate sensitivity with an increase in Co. The textured drawn Ni-Co wires exhibited higher strengths than those obtained by severe plastic deformation with comparable grain sizes.</p>","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"157 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138520654","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 behaviour of SPS-prepared Mo and Mo–5Ta alloys sps制备Mo和Mo - 5ta合金的高温氧化行为
IF 1.2 4区 材料科学
Philosophical Magazine Letters Pub Date : 2022-10-06 DOI: 10.1080/09500839.2022.2129110
Dawei Liu, Jiuxing Zhang, Lei Huang, Song Li, B. Nong, Ying Jin, Yafei Pan
{"title":"High-temperature oxidation behaviour of SPS-prepared Mo and Mo–5Ta alloys","authors":"Dawei Liu, Jiuxing Zhang, Lei Huang, Song Li, B. Nong, Ying Jin, Yafei Pan","doi":"10.1080/09500839.2022.2129110","DOIUrl":"https://doi.org/10.1080/09500839.2022.2129110","url":null,"abstract":"ABSTRACT The high-temperature oxidation behaviour of SPS-prepared Mo and Mo–5Ta alloys are investigated under the temperature range 300–700°C for 0–120 min in static air condition. The oxidation weight gains of Mo and Mo–5Ta conform to parabolic law at different oxidation times of 500°C and all remain at low levels. At low temperature (≤ 500°C), the oxidation resistance improves with Ta addition. However, at 600°C and 700°C, the oxidation of Mo–5Ta increases and the weight gain is obvious. Compared with pure Mo, a continuous and dense oxide scale can be formed quickly on the surface of Mo–5Ta alloys during the oxidation process at 500°C, which improves the oxidation resistance of the alloys. The volatile MoO3 and generated Ta2O5 above 500°C cause more voids to form in the matrix, resulting in the deterioration of the oxidation resistance of the alloys.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"102 1","pages":"359 - 367"},"PeriodicalIF":1.2,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48784319","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
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