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STUDY OF THE PASSAGE OF ELECTRONS WITH ENERGY OF 12 – 15 keV THROUGH GLASS TAPERED CAPILLARIES 能量为12 - 15kev的电子通过玻璃锥形毛细血管的研究
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.02.pp.027-031
A. D. Piatigor, L. Myshelovka, K. Vokhmyanina, V. Sotnikova, A. A. Kubankina, Yuri V. Grigoriev
{"title":"STUDY OF THE PASSAGE OF ELECTRONS WITH ENERGY OF 12 – 15 keV THROUGH GLASS TAPERED CAPILLARIES","authors":"A. D. Piatigor, L. Myshelovka, K. Vokhmyanina, V. Sotnikova, A. A. Kubankina, Yuri V. Grigoriev","doi":"10.14489/glc.2022.02.pp.027-031","DOIUrl":"https://doi.org/10.14489/glc.2022.02.pp.027-031","url":null,"abstract":"This paper presents the results of experimental studies on the passage of an electron beam with an energy of 12 and 15 keV through glass tapered macrocapillaries. As a result of the measurement, the absence of an explicit dependence of the output current on the electron energy was shown. Time-dependent measurements of the beam current at the exit from the capillaries were carried out.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"42 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":"114209016","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}
引用次数: 0
EFFECT OF CALCIUM ADDITION ON THE PROPERTIES AND MICROSTRUCTURE OF FLY ASH-BASED GEOPOLYMERS FOR APPLICATIONS IN SUSTAINABLE CONSTRUCTIONE 掺钙对可持续建筑用粉煤灰基地聚合物性能和微观结构的影响
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.02.pp.032-039
N. Klimenko, K. I. Kiseleva, L. Delitsyn, V. Sigaev
{"title":"EFFECT OF CALCIUM ADDITION ON THE PROPERTIES AND MICROSTRUCTURE OF FLY ASH-BASED GEOPOLYMERS FOR APPLICATIONS IN SUSTAINABLE CONSTRUCTIONE","authors":"N. Klimenko, K. I. Kiseleva, L. Delitsyn, V. Sigaev","doi":"10.14489/glc.2022.02.pp.032-039","DOIUrl":"https://doi.org/10.14489/glc.2022.02.pp.032-039","url":null,"abstract":"The article describes a study of the physical and mechanical properties and microstructure of geopolymer materials for construction based on low-calcium fly ash from CHP-22, depending on the type of activator, temperature and humidity conditions of curing and the introduction of an additional source of calcium (CaO) in the amount of 10, 15 and 20 wt. %.\u0000It was found that for the fly ash under study, the most promising type of activator is a sodium silicate solution with a silicate modulus SiO2 / Na2O = 1; the preferred curing mode is steam treatment at 90 °C. With the introduction of 15 % CaO into the geopolymer mixture, it was possible to increase the compressive strength by more than 2.5 times (to 38 МПа), the open porosity decreased from 24 to 7 %, and the water absorption from 15 to 3 %. However, a further increase in the CaO content leads to degradation of properties due to a significant reduction in the setting time of the raw mixture.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"53 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":"134184163","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}
引用次数: 0
POLARIZATION CONTROLLED BIREFRINGENCE IN LITHIUM ALUMINOSILI-CATE GLASS 硅铝酸锂玻璃偏振控制双折射
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.02.pp.003-007
V. Sigaev, A. Lipatiev, S. Fedotov, S. Lotarev, A. S. Naumov, D. M. Shevyakina
{"title":"POLARIZATION CONTROLLED BIREFRINGENCE IN LITHIUM ALUMINOSILI-CATE GLASS","authors":"V. Sigaev, A. Lipatiev, S. Fedotov, S. Lotarev, A. S. Naumov, D. M. Shevyakina","doi":"10.14489/glc.2022.02.pp.003-007","DOIUrl":"https://doi.org/10.14489/glc.2022.02.pp.003-007","url":null,"abstract":"The rise of polarization-controlled birefringence under a series of femtosecond laser pulses in the bulk of lithium silicate and lithium aluminosilicate glasstentatively attributed to the formation of nanogratings is demonstrated. The dependences of the retardance of the light passing through the modified regions on the parameter of laser radiation and the chemical composition of the glass are determined. It is shown that an increase of Al2O3 content at the expense of alkali content in glass composition leads to an increase in the minimum number of pulses for the formation of a birefringent region, as well as an increase in the retardance.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"165 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":"131196592","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}
引用次数: 0
CERAMICS IN THE Na2O–CaO–SO3 SYSTEM AS A PROMISING INORGANIC POROGEN na20 - cao - so3体系中的陶瓷作为一种有前途的无机孔隙剂
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.03.pp.009-018
T. V. Safronova, T. Shatalova, Y. Filippov, O. Toshev, A. Knotko, L. A. Vaimugin, D. V. Savchenkova
{"title":"CERAMICS IN THE Na2O–CaO–SO3 SYSTEM AS A PROMISING INORGANIC POROGEN","authors":"T. V. Safronova, T. Shatalova, Y. Filippov, O. Toshev, A. Knotko, L. A. Vaimugin, D. V. Savchenkova","doi":"10.14489/glc.2022.03.pp.009-018","DOIUrl":"https://doi.org/10.14489/glc.2022.03.pp.009-018","url":null,"abstract":"Ceramics with phase composition after firing in the range of 600 – 900 °C represented by anhydrous calcium sulfate CaSO4, and calcium sodium sulfates (Na0,8Ca0,1)2SO4 and Na6Ca(SO4)4 were obtained from a powder mixture of sodium sulfate Na2SO4 and calcium sulfate dihydrate CaSO42H2O, taken at a molar ratio CaSO42H2O/Na2SO4 = 1. The phase composition of the powder mixture after homogenization in a planetary mill in an acetone medium, in addition to the starting salts, also included hydrated sodium calcium sulfate Na4Ca(SO4)32H2O. When kept in water for 5 and 60 min the mass loss of ceramic sample fired at 700 °C was 15 and 75 % respectively. Ceramics in the Na2O–CaO–SO3 system in the form of granules or complex shapes obtained using 3D printing can be used as a removable (soluble or leachable) porogen and/or a prototype of a porous space with a given architecture when creating porous polymer or inorganic materials.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"81 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":"126373190","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}
引用次数: 0
POLARIZATION CONTROLLED BIREFRINGENCE IN SODIUM ALUMINOBORATE GLASS 铝酸钠玻璃的偏振控制双折射
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.03.pp.003-008
S. Fedotov, A. Lipatiev, T. Lipateva, S. Lotarev, N. K. Prichach, V. Sigaev
{"title":"POLARIZATION CONTROLLED BIREFRINGENCE IN SODIUM ALUMINOBORATE GLASS","authors":"S. Fedotov, A. Lipatiev, T. Lipateva, S. Lotarev, N. K. Prichach, V. Sigaev","doi":"10.14489/glc.2022.03.pp.003-008","DOIUrl":"https://doi.org/10.14489/glc.2022.03.pp.003-008","url":null,"abstract":"The formation of birefringent nanogratings by a femtosecond laser beam in the volume of sodium aluminoborate glasses is demonstrated. The dependences of the optical retardance of the nanogratings on the parameters of laser exposure and the chemical composition of the glass are determined. It was shown that an increase in the Al2O3 concentration at a constant [Na2O]/([B2O3 + Al2O3]) molar ratio does not affect the ranges of laser exposure parameter for nanogratings formation but leads to an increase in the retardance of the nanogratings.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"14 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":"126653202","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}
引用次数: 0
CERAMICS BASED ON FLUORINATED TALC 含氟滑石粉陶瓷
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.02.pp.020-026
S. Sharafeev, V. Vereschagin, A. Mezhenin
{"title":"CERAMICS BASED ON FLUORINATED TALC","authors":"S. Sharafeev, V. Vereschagin, A. Mezhenin","doi":"10.14489/glc.2022.02.pp.020-026","DOIUrl":"https://doi.org/10.14489/glc.2022.02.pp.020-026","url":null,"abstract":"A dense-sintered protoenstatite ceramics based on fluorinated talc was obtained. Influence of BaO and Al2O3 additives on the sinterability, structure and strength of ceramics was investigated. It makes possible to reduce the sintering temperature to 1225 – 1250 °C due to formation of glassy phase. Additive of ZnO intensifies solid phase sintering at 1320 °C. \u0000It significantly improves compressive strength of ceramics up to 660 MPa that exceeds the strength of traditional steatite materials by 3 times.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"62 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":"124656564","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}
引用次数: 0
THE USE OF TECHNOGENIC METALLURGICAL RAW MATERIALS FOR THE PRODUCTION OF CERAMIC MATERIALS WITH AN ANORTHITE PHASE 利用技术冶金原料生产具有钙长石相的陶瓷材料
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.03.pp.019-025
M. Semenovykh, N. Skripnikova, O. Volokitin, V. Shekhovtsov
{"title":"THE USE OF TECHNOGENIC METALLURGICAL RAW MATERIALS FOR THE PRODUCTION OF CERAMIC MATERIALS WITH AN ANORTHITE PHASE","authors":"M. Semenovykh, N. Skripnikova, O. Volokitin, V. Shekhovtsov","doi":"10.14489/glc.2022.03.pp.019-025","DOIUrl":"https://doi.org/10.14489/glc.2022.03.pp.019-025","url":null,"abstract":"Studies have been carried out on the topic of obtaining ceramic materials for construction purposes with an anorthite phase. Clay and blast-furnace gas cleaning sludge were used as raw materials. The chemical compositions of raw materials for their use in the production of ceramic products have been studied. The calcium- and iron-containing compounds included in the composition of the gas cleaning sludge contribute to a decrease in the temperature of the formation of solid solutions and the anorthite phase. It has been established that with the addition of sludge up to 80 wt.% into the composition of the ceramic mixture increases the likelihood of an anorthite phase formation. The physico-mechanical parameters of the obtained ceramic samples have been studied. It has been established that the amount of gas cleaning sludge in the composition of the charge is 10 – 40 wt.% allows to obtain products with compressive strength 18 % higher than the control sample. The improvement in physical and mechanical properties is associated with an increase in the amount of the formed anorthite phase, which is confirmed by the data of X-ray phase analysis.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","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":"128095185","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}
引用次数: 0
PHYSICO-CHEMICAL PROPERTIES OF MINERAL FIBERS OBTAINED ON THE BASIS OF ANDESIBASALTS 安山岩基矿物纤维的物理化学性质
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.03.pp.038-045
Sh. M. Niyazova, Z. R. Kadyrova, Kh. L. Usmanov, A. A. Éminov, F. Khomidov
{"title":"PHYSICO-CHEMICAL PROPERTIES OF MINERAL FIBERS OBTAINED ON THE BASIS OF ANDESIBASALTS","authors":"Sh. M. Niyazova, Z. R. Kadyrova, Kh. L. Usmanov, A. A. Éminov, F. Khomidov","doi":"10.14489/glc.2022.03.pp.038-045","DOIUrl":"https://doi.org/10.14489/glc.2022.03.pp.038-045","url":null,"abstract":"The article presents the results of research on the development of prototypes for obtaining mineral fibers based on the andesibazalt–slag–dolomit composition and the results of testing their physicochemical properties. Tests of chemical resistance of optimal compositions in aggressive conditions showed that the chemical resistance of the fibers depends on the content of metal oxides in the glass and their ratios that take into account the mutual influence of SiO2, Al2O3, Fe2O3, CaO, MgO, Na2O, K2O. It has been established that the studied andesibasalt of the Karahtay field is a promising raw material component for obtaining mineral fibers.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"8 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":"123723467","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}
引用次数: 0
METHODS OF UNCREASING OF THE WAX MODEL SURFACE PRIMARY WETTABILITY DURING LOST-WAX CASTING 失蜡铸造过程中降低蜡模表面初级润湿性的方法
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.03.pp.032-037
E. Novokreshchennykh, A. Gulyaeva, N. Uglev
{"title":"METHODS OF UNCREASING OF THE WAX MODEL SURFACE PRIMARY WETTABILITY DURING LOST-WAX CASTING","authors":"E. Novokreshchennykh, A. Gulyaeva, N. Uglev","doi":"10.14489/glc.2022.03.pp.032-037","DOIUrl":"https://doi.org/10.14489/glc.2022.03.pp.032-037","url":null,"abstract":"Lost-wax casting is one of the most advanced ways to obtain geometrically complex castings of high quality. \u0000One of the main factors influenced on the casting properties is the quality of the ceramic mold face layer. A uniform deposition of the ceramic slurry can be achieved by condition of the wax surface is well wetted by the suspension dispersion medium. Since the surface of the wax model is hydrophobic and the dispersion medium of ceramic suspension is water, an increase of wettability may be achieved not only by SAS-wetting agent adding in suspension composition but also by activating of the model surface by chemical or physical methods.\u0000The paper presents the results of the different ways of chemical activation influence on the wettability of the wax model surface.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"58 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":"134120480","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}
引用次数: 0
CERAMIC TILE BASED ON LOCAL HYDROMICA CLAY AND PEGMATITE DUST REMOVAL WASTE 瓷砖基于局部的水云母粘土和伟晶岩粉尘去除废弃物
Steklo i Keramika Pub Date : 1900-01-01 DOI: 10.14489/glc.2022.02.pp.012-019
V. Ilyina
{"title":"CERAMIC TILE BASED ON LOCAL HYDROMICA CLAY AND PEGMATITE DUST REMOVAL WASTE","authors":"V. Ilyina","doi":"10.14489/glc.2022.02.pp.012-019","DOIUrl":"https://doi.org/10.14489/glc.2022.02.pp.012-019","url":null,"abstract":"The goal of the present contribution is to study the possible use of local clay of hydromica type for facing tile production. Pegmatite dust removal waste from the Chupa Milling and Dressing Factory was added as flux to the clay. Mineralogical, chemical and grain-size analyses of the clay and waste were performed. The mineral composition of the waste and clay were analyzed using the laboratory equipment of the Analytical Centre at the Institute of Geology, Karelian Research Centre, RAS. Experimental samples of ceramic tile were produced and the physico-mechanical properties of the products were assessed. The ceramics produced can be used for facing walls and furnaces. Local clay of hydromica type and pegmatite dust removal waste can be used to increase the mechanical bending strength and heat resistance of facing tiles, to decrease their thermal conductivity in comparison with samples containing clay, kaolin, feldspar and lime and to contribute to pegmatite waste utilization.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"16 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":"121239244","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}
引用次数: 0
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