Pub Date : 2023-06-01DOI: 10.22226/2410-3535-2023-2-104-108
S. Zasypkin, D. Merson, Aleksandr Brilevsky, Alexey Irtegov
{"title":"On selection of advanced compositions of flame resistant magnesium alloys","authors":"S. Zasypkin, D. Merson, Aleksandr Brilevsky, Alexey Irtegov","doi":"10.22226/2410-3535-2023-2-104-108","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-2-104-108","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43540010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.22226/2410-3535-2023-2-149-152
I. Isaeva, G. Ostaeva, E. Eliseeva, A. Golovin, Alexander Vasiliev
{"title":"Effect of synthesis temperature on the formation of nickel-copper composite nanoparticles","authors":"I. Isaeva, G. Ostaeva, E. Eliseeva, A. Golovin, Alexander Vasiliev","doi":"10.22226/2410-3535-2023-2-149-152","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-2-149-152","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44717927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.22226/2410-3535-2023-2-115-120
B. Atanov, S. Galyshev, N. Zaripov, U. Shayakhmetov, A. Khamidullin
{"title":"Investigation of the effect of compacting mode parameters of a carbon-aluminum wire preform on the strength of the produced compact","authors":"B. Atanov, S. Galyshev, N. Zaripov, U. Shayakhmetov, A. Khamidullin","doi":"10.22226/2410-3535-2023-2-115-120","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-2-115-120","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42190456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.22226/2410-3535-2023-2-177-182
Anastasiia Petrova, D. Rasposienko, V. Astafyev, A. Yakovleva
{"title":"Structure and strength of Al-Mn-Cu-Zr-Cr-Fe ALTEC alloy after radial-shear rolling","authors":"Anastasiia Petrova, D. Rasposienko, V. Astafyev, A. Yakovleva","doi":"10.22226/2410-3535-2023-2-177-182","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-2-177-182","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48296195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.22226/2410-3535-2023-2-132-137
R. Salikhov, R. Zilberg, E. Bulysheva, Anastasia Ostaltsova, Timur Salikhov, Yulia B. Teres
{"title":"Nanocomposite thin-film structures based on a polyelectrolyte complex of chitosan and chitosan succinamide with SWCNT","authors":"R. Salikhov, R. Zilberg, E. Bulysheva, Anastasia Ostaltsova, Timur Salikhov, Yulia B. Teres","doi":"10.22226/2410-3535-2023-2-132-137","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-2-132-137","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44235678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.22226/2410-3535-2023-2-93-97
O. Naimark, S. Uvarov, I. Bannikova, D. Efremov, Y. Bayandin, N. Dezhkunov
{"title":"Localized shear as a quasi-plastic mechanism of momentum transfer in liquids","authors":"O. Naimark, S. Uvarov, I. Bannikova, D. Efremov, Y. Bayandin, N. Dezhkunov","doi":"10.22226/2410-3535-2023-2-93-97","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-2-93-97","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48991013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-01DOI: 10.22226/2410-3535-2023-1-45-49
M. Rozhkov, N. Abramenko, Andrei Smirnov, A. Kolesnikova, A. Romanov
{"title":"Modelling of disclinated phosphorene crystals","authors":"M. Rozhkov, N. Abramenko, Andrei Smirnov, A. Kolesnikova, A. Romanov","doi":"10.22226/2410-3535-2023-1-45-49","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-1-45-49","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47625113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-01DOI: 10.22226/2410-3535-2023-1-79-84
E. Galieva, E. Klassman, R. Gabbasov, Egor M. Stepukhov, V. Valitov
It is shown that thermomechanical treatment (TMT) of the EK61 superalloy with a strain rate (ε ∙ ) of 10 −3 s −1 and a gradual decrease in the treatment temperature from (0.92 – 0.65) T δ leads to the transformation of the initial coarse-grained structure into an ultrafine-grained (UFG) mixed type structure. Such a mixed UFG microstructure consists of γ-phase grains and δ-phase particles 0.3 μm in size and relatively large particles of the δ-phase up to 2 μm in size. The EK61 superalloy having such a microstructure exhibits low-temperature superplasticity in the temperature range of 700 – 900°C, the maximum characteristics of which are achieved at 850°C and ε ∙ =10 −3 s −1 . Low-temperature TMT in the temperature range of (0.84 – 0.8) Т γ' also leads to the formation of an UFG structure in the EP975 superalloy. The UFG microstructure of the EP975 superalloy consists of γ-phase grains and γ'-phase particles 0.5 μm in size. And there are relatively large particles of the γ'-phase up to 3.5 μm in size of a globular-shaped form. The EP975 superalloy with such a structure exhibits low-temperature superplasticity in the temperature range of 900 –1000°C, the maximum characteristics of which are achieved at 1000°C and ε ∙ =10 −3 s −1 .
{"title":"Low-temperature superplastic deformation of EK61 and EP975 wrought nickel-based superalloys with an ultrafine-grained structure","authors":"E. Galieva, E. Klassman, R. Gabbasov, Egor M. Stepukhov, V. Valitov","doi":"10.22226/2410-3535-2023-1-79-84","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-1-79-84","url":null,"abstract":"It is shown that thermomechanical treatment (TMT) of the EK61 superalloy with a strain rate (ε ∙ ) of 10 −3 s −1 and a gradual decrease in the treatment temperature from (0.92 – 0.65) T δ leads to the transformation of the initial coarse-grained structure into an ultrafine-grained (UFG) mixed type structure. Such a mixed UFG microstructure consists of γ-phase grains and δ-phase particles 0.3 μm in size and relatively large particles of the δ-phase up to 2 μm in size. The EK61 superalloy having such a microstructure exhibits low-temperature superplasticity in the temperature range of 700 – 900°C, the maximum characteristics of which are achieved at 850°C and ε ∙ =10 −3 s −1 . Low-temperature TMT in the temperature range of (0.84 – 0.8) Т γ' also leads to the formation of an UFG structure in the EP975 superalloy. The UFG microstructure of the EP975 superalloy consists of γ-phase grains and γ'-phase particles 0.5 μm in size. And there are relatively large particles of the γ'-phase up to 3.5 μm in size of a globular-shaped form. The EP975 superalloy with such a structure exhibits low-temperature superplasticity in the temperature range of 900 –1000°C, the maximum characteristics of which are achieved at 1000°C and ε ∙ =10 −3 s −1 .","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44498589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-01DOI: 10.22226/2410-3535-2023-1-50-55
Evgeniy B. Serebryakov, Alena Shpynova, R. Korolev, N. Sekushin, A. Selyutin, B. Makeev, N. Zhuk
{"title":"Optical and dielectric properties of nanosized ceramics Bi2Mg1-xСrxTa2O9.5-Δ with pyrochlore structure","authors":"Evgeniy B. Serebryakov, Alena Shpynova, R. Korolev, N. Sekushin, A. Selyutin, B. Makeev, N. Zhuk","doi":"10.22226/2410-3535-2023-1-50-55","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-1-50-55","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43391737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-01DOI: 10.22226/2410-3535-2023-1-73-78
M. Migranov, M. Volosova, S. Shekhtman, N. Suhova, A. Migranov, A. Gusev
{"title":"Tribotechnical characteristics of nanostructured multilayer composite coatings on tools for machining heat-resistant alloys","authors":"M. Migranov, M. Volosova, S. Shekhtman, N. Suhova, A. Migranov, A. Gusev","doi":"10.22226/2410-3535-2023-1-73-78","DOIUrl":"https://doi.org/10.22226/2410-3535-2023-1-73-78","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49568304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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