Pub Date : 2022-09-01DOI: 10.22226/2410-3535-2022-3-237-242
A. Burkov, L. Konevtsov, V. Khe
{"title":"Formation of electric spark WC-Co coatings with modifying Cr2O3 additives","authors":"A. Burkov, L. Konevtsov, V. Khe","doi":"10.22226/2410-3535-2022-3-237-242","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-237-242","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47315073","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 : 2022-09-01DOI: 10.22226/2410-3535-2022-3-219-224
P. Bykov, I. Kalashnikov, L. Kobeleva, I. Katin, R. Mikheev
{"title":"Wear modes in testing the antifriction layer of babbitt B83","authors":"P. Bykov, I. Kalashnikov, L. Kobeleva, I. Katin, R. Mikheev","doi":"10.22226/2410-3535-2022-3-219-224","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-219-224","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41244278","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 : 2022-09-01DOI: 10.22226/2410-3535-2022-3-261-265
V. Danilov, D. Merson
Despite being widely used in such industries as chemical, aviation and food ones, aluminum and its alloys are known to be prone to localized corrosion, and this remains a problem to be solved, especially when it comes to pitting corrosion. Therefore, there is a necessity to detect traces of corrosion at the earliest stages and to quantify the extent of corrosion damage. The simplest solution for assessing the overall corrosion rate is to use the gravimetric method, which, however, does not provide information for assessment of localized corrosion. This paper is devoted to the consideration of the possibilities of using the method of confocal laser scanning microscopy (CLSM) for assessing corrosion resistance using high-purity aluminum. The CLSM method, due to its high resolution (especially along the vertical axis), enables to obtain quantitative data on the volume of corroded metal, determine the depth of corrosion damage including building their profilograms, and analyze the morphology of the surface damaged by corrosion. Owing to the high sensitivity of the CLSM method, corrosion losses were detected within 21 days, contrary to the standard gravimetric method, which failed to determine the loss of metal even after 160 days of corrosion testing.
{"title":"On the quantitative assessment of corrosion damages of aluminum at the early stages using confocal laser scanning microscopy","authors":"V. Danilov, D. Merson","doi":"10.22226/2410-3535-2022-3-261-265","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-261-265","url":null,"abstract":"Despite being widely used in such industries as chemical, aviation and food ones, aluminum and its alloys are known to be prone to localized corrosion, and this remains a problem to be solved, especially when it comes to pitting corrosion. Therefore, there is a necessity to detect traces of corrosion at the earliest stages and to quantify the extent of corrosion damage. The simplest solution for assessing the overall corrosion rate is to use the gravimetric method, which, however, does not provide information for assessment of localized corrosion. This paper is devoted to the consideration of the possibilities of using the method of confocal laser scanning microscopy (CLSM) for assessing corrosion resistance using high-purity aluminum. The CLSM method, due to its high resolution (especially along the vertical axis), enables to obtain quantitative data on the volume of corroded metal, determine the depth of corrosion damage including building their profilograms, and analyze the morphology of the surface damaged by corrosion. Owing to the high sensitivity of the CLSM method, corrosion losses were detected within 21 days, contrary to the standard gravimetric method, which failed to determine the loss of metal even after 160 days of corrosion testing.","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45150569","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 : 2022-09-01DOI: 10.22226/2410-3535-2022-3-243-248
E. Galieva, A. Akhunova, V. Valitov, E. Klassman
{"title":"Computer and physical modeling of multiple isothermal forging of EK61 superalloy","authors":"E. Galieva, A. Akhunova, V. Valitov, E. Klassman","doi":"10.22226/2410-3535-2022-3-243-248","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-243-248","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43226519","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 : 2022-09-01DOI: 10.22226/2410-3535-2022-3-231-236
R. Maksimov, V. Platonov, A. Yurovskikh, V. Shitov, V. Osipov
{"title":"Synthesis of Tb2O3 nanoparticles by laser ablation in Ar gas flow","authors":"R. Maksimov, V. Platonov, A. Yurovskikh, V. Shitov, V. Osipov","doi":"10.22226/2410-3535-2022-3-231-236","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-231-236","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48266765","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 : 2022-09-01DOI: 10.22226/2410-3535-2022-3-214-218
S. Boroznin, I. Zaporotskova
{"title":"Sensory properties of carbon nanotubes containing impurity boron atoms","authors":"S. Boroznin, I. Zaporotskova","doi":"10.22226/2410-3535-2022-3-214-218","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-214-218","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49184412","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 : 2022-09-01DOI: 10.22226/2410-3535-2022-3-177-183
E. Merson, V. Poluyanov, P. Myagkikh, D. Merson, A. Vinogradov
{"title":"The effect of testing conditions on stress corrosion cracking of biodegradable magnesium alloy ZK60","authors":"E. Merson, V. Poluyanov, P. Myagkikh, D. Merson, A. Vinogradov","doi":"10.22226/2410-3535-2022-3-177-183","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-3-177-183","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46023746","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 : 2022-06-01DOI: 10.22226/2410-3535-2022-2-131-136
A. Verkhovykh, K. Okishev, A. Mirzoev, N. Dyuryagina
{"title":"First-principles calculation of possible carbon positions over cementite lattice","authors":"A. Verkhovykh, K. Okishev, A. Mirzoev, N. Dyuryagina","doi":"10.22226/2410-3535-2022-2-131-136","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-2-131-136","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47565645","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 : 2022-06-01DOI: 10.22226/2410-3535-2022-2-126-130
S. Belim, O. Lyakh
{"title":"Phase transitions in an ordered 2D array of cubic nanoparticles","authors":"S. Belim, O. Lyakh","doi":"10.22226/2410-3535-2022-2-126-130","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-2-126-130","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43798113","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 : 2022-06-01DOI: 10.22226/2410-3535-2022-2-100-105
V. Ivchenko
{"title":"A study of the distribution of Au atoms in the LI2 superstructure of the Fe25Pd50Au25 alloy using field ion microscopy","authors":"V. Ivchenko","doi":"10.22226/2410-3535-2022-2-100-105","DOIUrl":"https://doi.org/10.22226/2410-3535-2022-2-100-105","url":null,"abstract":"","PeriodicalId":45792,"journal":{"name":"Letters on Materials","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44137878","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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