Pub Date : 1900-01-01DOI: 10.31044/1994-6260-2023-0-5-28-34
I. S. Bolotnikov, E. Kosenko, P. E. Demin
The results of tests using the three-point bending method to assess the change in the strength of carbon fiber reinforced plastics produced by the milling method using various cutting conditions are presented. The tests were carried out on samples of three series, each of which was made in two sets. The series of samples differ in the applied cutting conditions (frequency of rotation of a cutter at the same feed), and sets differ in the conditions of exposure before testing: at a positive temperature 20±2 °С and at a negative one –50 °C for 60 hours. It has been established that the cutter rotation frequency has practically no effect on the change in bending strength, however, it significantly affects the value of the maximum deflection and the finish of the cut surface. Reducing the speed of the cutter leads to an increase in temperature in the cutting zone, an improvement in the quality of the cut surface and an increase in maximum deflection. The influence of negative temperature leads to an increase in the maximum deflection and a decrease in the bending strength of carbon fiber reinforced plastics
{"title":"INFLUENCE OF MECHANICAL TREATMENT AND NEGATIVE TEMPERATURE ON THE STRENGTH OF CARBON FIBER REINFORCED PLASTICS UNDER STATIC BENDING","authors":"I. S. Bolotnikov, E. Kosenko, P. E. Demin","doi":"10.31044/1994-6260-2023-0-5-28-34","DOIUrl":"https://doi.org/10.31044/1994-6260-2023-0-5-28-34","url":null,"abstract":"The results of tests using the three-point bending method to assess the change in the strength of carbon fiber reinforced plastics produced by the milling method using various cutting conditions are presented. The tests were carried out on samples of three series, each of which was made in two sets. The series of samples differ in the applied cutting conditions (frequency of rotation of a cutter at the same feed), and sets differ in the conditions of exposure before testing: at a positive temperature 20±2 °С and at a negative one –50 °C for 60 hours. It has been established that the cutter rotation frequency has practically no effect on the change in bending strength, however, it significantly affects the value of the maximum deflection and the finish of the cut surface. Reducing the speed of the cutter leads to an increase in temperature in the cutting zone, an improvement in the quality of the cut surface and an increase in maximum deflection. The influence of negative temperature leads to an increase in the maximum deflection and a decrease in the bending strength of carbon fiber reinforced plastics","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116739094","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 : 1900-01-01DOI: 10.31044/1994-6260-2022-0-12-36-42
O. Burenina, A. Andreeva, M. Savvinova
{"title":"Use of local mineral raw materials of Yakutia for manufacture of high-strength concrete","authors":"O. Burenina, A. Andreeva, M. Savvinova","doi":"10.31044/1994-6260-2022-0-12-36-42","DOIUrl":"https://doi.org/10.31044/1994-6260-2022-0-12-36-42","url":null,"abstract":"","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126458472","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 : 1900-01-01DOI: 10.31044/1994-6260-2019-0-12-30-33
O. A. Legon’kova, A. Baranchikov, A. I. Korotaeva, T. Vinokurova, K. Yorov, K. B. Ustinovich, V. Ivanov
{"title":"THE POROUS AEROGELS BASED ON ALGINATES: POSSIBILITIES OF APPLICATION FOR WOUND TREATMENT","authors":"O. A. Legon’kova, A. Baranchikov, A. I. Korotaeva, T. Vinokurova, K. Yorov, K. B. Ustinovich, V. Ivanov","doi":"10.31044/1994-6260-2019-0-12-30-33","DOIUrl":"https://doi.org/10.31044/1994-6260-2019-0-12-30-33","url":null,"abstract":"","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124129729","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 : 1900-01-01DOI: 10.31044/1813-7008-2022-0-14-9-13
V. Senichev, E. Pogorel’tsev
The effect of the chemical structure of urethane elastomers on their wear resistance was investigated. The function the volumetric wear degree of the studied elastomers versus the content of hard segments had a pronounced form with an extremum. It was established that the best wear resistance was typical for polyurethanes and polyurethanes with some optimal content of hard segments, the level of which depended on the chemical nature of the oligomers used in the synthesis.
{"title":"RELATIONSHIP OF THE ABRASIVE RESISTANCE OF URETHANE-CONTAINING ELASTOMERS AND THEIR STRUCTURE","authors":"V. Senichev, E. Pogorel’tsev","doi":"10.31044/1813-7008-2022-0-14-9-13","DOIUrl":"https://doi.org/10.31044/1813-7008-2022-0-14-9-13","url":null,"abstract":"The effect of the chemical structure of urethane elastomers on their wear resistance was investigated. The function the volumetric wear degree of the studied elastomers versus the content of hard segments had a pronounced form with an extremum. It was established that the best wear resistance was typical for polyurethanes and polyurethanes with some optimal content of hard segments, the level of which depended on the chemical nature of the oligomers used in the synthesis.","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131058216","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 : 1900-01-01DOI: 10.31044/1994-6260-2022-0-14-14-18
K. A. Shubin, A. L. Abaturov, D. Kiselkov
{"title":"DETERMINATION OF TIME-TEMPERATURE INTERVALS OF CARBOMESOPHASE FORMATION FOR SOME KINDS OF COKING FEEDSTOCKS","authors":"K. A. Shubin, A. L. Abaturov, D. Kiselkov","doi":"10.31044/1994-6260-2022-0-14-14-18","DOIUrl":"https://doi.org/10.31044/1994-6260-2022-0-14-14-18","url":null,"abstract":"","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114093885","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 : 1900-01-01DOI: 10.31044/1994-6260-2019-0-10-41-47
I. Kravchenko, A. V. Kolomeychenko, N. V. Titov, M. I. Sidorov, M. Glinskiy
{"title":"Multiparametric model for assessment of gasthermal method of deposition","authors":"I. Kravchenko, A. V. Kolomeychenko, N. V. Titov, M. I. Sidorov, M. Glinskiy","doi":"10.31044/1994-6260-2019-0-10-41-47","DOIUrl":"https://doi.org/10.31044/1994-6260-2019-0-10-41-47","url":null,"abstract":"","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117279543","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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