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INFLUENCE OF THE ADDITIVE OF EUTECTIC COMPOSITION IN THE Li2O–B2O3 SYSTEM ON THE SINTERING PROCESS AND PROPERTIES OF CERAMICS BASED ON Li2MgTi3O8 Li2O-B2O3 体系中外加剂对基于 Li2MgTi3O8 的陶瓷的烧结过程和性能的影响
Steklo i Keramika Pub Date : 2023-11-01 DOI: 10.14489/glc.2023.11.pp.003-009
V. D. Stolyarov, O. E. Shubabko, D. I. Vershinin
{"title":"INFLUENCE OF THE ADDITIVE OF EUTECTIC COMPOSITION IN THE Li2O–B2O3 SYSTEM ON THE SINTERING PROCESS AND PROPERTIES OF CERAMICS BASED ON Li2MgTi3O8","authors":"V. D. Stolyarov, O. E. Shubabko, D. I. Vershinin","doi":"10.14489/glc.2023.11.pp.003-009","DOIUrl":"https://doi.org/10.14489/glc.2023.11.pp.003-009","url":null,"abstract":"The influence of the eutectic additive of the Li2O–B2O3 system on the sintering process and dielectric properties of ceramics based on Li2MgTi3O8 has been investigated. It was determined that the introduction of an additive in the amount of 10.0 – 15.0 % contributes to the sintering of ceramics by a liquid-phase mechanism. Li2MgTi3O8 ceramics, containing a sintering additive in an amount of 15.0 % and obtained at a firing temperature of 900 ?С, demonstrates the following level of properties ?av = 3.04 g/cm3, Po = 5.7 %, ?r = 19.0 and tg? = 0.028. The lowered sintering temperature of ceramic will allow the production of various electronic components based on it using low-temperature cofiring ceramic (LTCC) technology, and the specified level of dielectric properties will allow to miniaturize the devices.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139294270","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
INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS yag 陶瓷粉研磨条件对光学陶瓷性能的影响
Steklo i Keramika Pub Date : 2023-11-01 DOI: 10.14489/glc.2023.11.pp.035-046
V. E. Suprunchuk, A. A. Kravtsov, V. Lapin, V. Tarala, L. V. Tarala, E. V. Medyanik, F. Malyavin
{"title":"INFLUENCE OF YAG CERAMIC POWDERS GRINDING CONDITIONS OF ON THE PROPERTIES OF OPTICAL CERAMICS","authors":"V. E. Suprunchuk, A. A. Kravtsov, V. Lapin, V. Tarala, L. V. Tarala, E. V. Medyanik, F. Malyavin","doi":"10.14489/glc.2023.11.pp.035-046","DOIUrl":"https://doi.org/10.14489/glc.2023.11.pp.035-046","url":null,"abstract":"In this study, the changes in the morphology and degree of agglomeration of both precursor powders and ceramic YAG powders under varying grinding conditions was considered. The effect of these parameters on the optical properties and structure of the ceramics was assessed. The YAG precursor powders were obtained through chemical co-precipitation. The morphology, size of agglomerates, and crystallites was evaluated using scanning electron microscopy, laser diffraction analysis, X-ray phase analysis, and Brunauer–Emmett–Teller gas adsorption. It was found that milling the YAG precursor powders allows for a reduction in the degree of agglomeration of the ceramic powders. It was discovered that optimal modes can be achieved at a mass ratio of grinding balls to precursor powder of 6.75/1 and a ratio of the mass of the grinding medium to the mass of the precursor powder of 4.5/1. These modes provide the necessary granulometric characteristics and the highest monodispersity. Therefore, it has been demonstrated that the use of an additional milling stage for powders synthesized by chemical precipitation, along with the selection of milling modes, can improve the properties of YAG optical ceramics.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"238 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139295489","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
FIXATION OF THE OPTICAL FIBER IN THE CONNECTOR USING HYDROGEL 使用水凝胶将光纤固定在连接器中
Steklo i Keramika Pub Date : 2023-11-01 DOI: 10.14489/glc.2023.11.pp.047-052
L. Zhikina, A. M. Minkin, M. Krasnovskikh, E. A. Yatsenko, A. Ketov
{"title":"FIXATION OF THE OPTICAL FIBER IN THE CONNECTOR USING HYDROGEL","authors":"L. Zhikina, A. M. Minkin, M. Krasnovskikh, E. A. Yatsenko, A. Ketov","doi":"10.14489/glc.2023.11.pp.047-052","DOIUrl":"https://doi.org/10.14489/glc.2023.11.pp.047-052","url":null,"abstract":"A method of fastening optical fiber in a quartz connector with a sodium polysilicate hydrogel obtained in a cylindrical gap between the connector and the fiber due to the alkaline decomposition of quartz surfaces of parts was developed. The conditions of thermal decomposition of the hydrogel are determined and it is shown that the decomposition of the hydrogel with the formation of a cellular structure is possible at temperatures below the temperature of thermal decomposition of the polymer coating of the fiber. The conditions for obtaining and thermal properties of the hydrogel are determined. Conclusions are drawn about the suitability of the proposed method for fixing optical fiber in a quartz connector.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139296003","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
TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM 基于锂铝硅酸盐体系的透明玻璃陶瓷
Steklo i Keramika Pub Date : 2023-11-01 DOI: 10.14489/glc.2023.11.pp.054-063
A. S. Naumov, V. Sigaev
{"title":"TRANSPARENT GLASS-CERAMICS BASED ON LITHIUM ALUMINOSILICATE SYSTEM","authors":"A. S. Naumov, V. Sigaev","doi":"10.14489/glc.2023.11.pp.054-063","DOIUrl":"https://doi.org/10.14489/glc.2023.11.pp.054-063","url":null,"abstract":"Methods of laser micro- and nanomodification structure of transparent dielectrics open promising prospects for the creation of a new type glass-crystalline materials and new applications. In this work, after a brief excursion into the history of glass-ceramics, transparent aluminosilicate glass-ceramics are discussed, mainly using the example of the Li2O–Al2O3–SiO2 system, and the areas of their new applications. The recently discovered possibilities of laser micromodification of structures and direct laser writing of elements photonics and integrated optics in their volume are considered. In this case, special attention is paid to transparent glass-ceramics with coefficient of thermal expansion close to zero.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139294525","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
CHARACTERISTICS AND MORPHOLOGY OF THE PORE SPACE OF SYNTHETIZED HIGHLY POROUS Sc2O3 CERAMIC MATERIALS 合成高孔隙率 Sc2O3 陶瓷材料孔隙的特性和形态
Steklo i Keramika Pub Date : 2023-11-01 DOI: 10.14489/glc.2023.11.pp.026-034
R. Kapustin, V. I. Uvarov, A. O. Kirillov
{"title":"CHARACTERISTICS AND MORPHOLOGY OF THE PORE SPACE OF SYNTHETIZED HIGHLY POROUS Sc2O3 CERAMIC MATERIALS","authors":"R. Kapustin, V. I. Uvarov, A. O. Kirillov","doi":"10.14489/glc.2023.11.pp.026-034","DOIUrl":"https://doi.org/10.14489/glc.2023.11.pp.026-034","url":null,"abstract":"An energy-efficient synthesis of highly porous ceramic materials based on Sc2O3 was carried out using a combination of compaction and technological combustion methods with the participation of active binders. Using XRD, SEM, and EDA methods, it was found that the material has a highly developed multilevel microstructure morphology based on Sc2O3 and tortveitite Sc2Si2O7. The main characteristics of the pore space of the material (porosity, pore size, specific surface area, permeability, etc.) were determined by mercury porosimetry and alternative methods.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139292802","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
INVESTIGATION OF THE KINETICS OF VACUUM SINTERING OF OPTICAL LUMINESCENT CERAMICS Y3-xScxA5O12:Cr 光致发光陶瓷 Y3-xScxA5O12:Cr 真空变细的动力学研究
Steklo i Keramika Pub Date : 2023-11-01 DOI: 10.14489/glc.2023.11.pp.015-025
V. Lapin, V. E. Suprunchuk, V. Tarala, D. Vakalov, A. A. Kravtsov, F. Malyavin, L. V. Tarala, E. V. Medyanik, L. Kozhitov
{"title":"INVESTIGATION OF THE KINETICS OF VACUUM SINTERING OF OPTICAL LUMINESCENT CERAMICS Y3-xScxA5O12:Cr","authors":"V. Lapin, V. E. Suprunchuk, V. Tarala, D. Vakalov, A. A. Kravtsov, F. Malyavin, L. V. Tarala, E. V. Medyanik, L. Kozhitov","doi":"10.14489/glc.2023.11.pp.015-025","DOIUrl":"https://doi.org/10.14489/glc.2023.11.pp.015-025","url":null,"abstract":"The purpose of this work is to study the effect of scandium in the dodecahedral and octahedral positions of the garnet crystal lattice on the features of vacuum sintering of optical ceramics Y3-хScxAl2-yScyAl3O12:Cr, as well as on its optical and luminescent properties. YSAG:Cr optical luminescent ceramics were manufactured for the first time from ceramic powders of metastable compositions with a high scandium content in a dodecahedral position. The considered compositions were described by the general formula Y3-хScxAl2-yScyAl3O12, where 0,12 ? x ? 1,50 and 0,08 ? y ? 1,00 f. u. with a total scandium content from 0.12 to 1.70 f. u. The following studies of YSAG:Cr: ceramic samples were carried out: X-ray diffractometry, measurement of the shrinkage kinetics of ceramic compacts by dilatometry, study of the morphology and elemental composition of the ceramic surface by scanning electron microscopy (SEM). The light transmission and luminescence spectra were measured. It is shown that ceramics made from compositions with a predominant scandium content in the dodecahedral position reach maximum density at lower temperatures compared to compositions containing a greater amount of scandium in octahedral positions. It was found that with an increase in the sintering temperature of YSAG:Cr ceramics compositions with a high scandium content in the dodecahedral position become unstable.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139294955","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
INVESTIGATION OF THE INFLUENCE OF YTTERBIUM OXIDE ON PHASE COMPOSITION AND SHS PARAMETERS OF COMPOSITIONS BASED ON SILICON NITRIDE 研究氧化镱对氮化硅基成分的相组成和嘶嘶声参数的影响
Steklo i Keramika Pub Date : 2023-10-01 DOI: 10.14489/glc.2023.10.pp.021-025
I. A. Shibakov, V. V. Zakorzhevsky, I. D. Kovalev
{"title":"INVESTIGATION OF THE INFLUENCE OF YTTERBIUM OXIDE ON PHASE COMPOSITION AND SHS PARAMETERS OF COMPOSITIONS BASED ON SILICON NITRIDE","authors":"I. A. Shibakov, V. V. Zakorzhevsky, I. D. Kovalev","doi":"10.14489/glc.2023.10.pp.021-025","DOIUrl":"https://doi.org/10.14489/glc.2023.10.pp.021-025","url":null,"abstract":"Using the method of self-propagating high-temperature synthesis (SHS) SHS compositions based on the Si3N4–Yb2O3 system were obtained. Synthesis by combustion was carried out in a nitrogen atmosphere at a pressure of 4 MPa in a reactor with a volume of 30 liters. The mass of the loaded mixture was 3 kg. It has been established that the amount of ytterbium oxide in the charge affects the combustion temperature and the phase composition of the synthesis products. With an increase in the proportion of ytterbium oxide in the mixture, the content of the alpha phase decreases, and the secondary phases are represented by quaternary ytterbium-silicon oxynitride and ytterbium disilicate.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139325023","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
NANOCRYTALLINE GLASS CERAMICS BASED ON PERLITE: SYNTHESIS AND RESEARCH 基于珍珠岩的纳米金刚石玻璃陶瓷：合成与研究
Steklo i Keramika Pub Date : 2023-10-01 DOI: 10.14489/glc.2023.10.pp.039-047
S. G. Petrosyan, L. Grigoryan, P. Petrosyan
{"title":"NANOCRYTALLINE GLASS CERAMICS BASED ON PERLITE: SYNTHESIS AND RESEARCH","authors":"S. G. Petrosyan, L. Grigoryan, P. Petrosyan","doi":"10.14489/glc.2023.10.pp.039-047","DOIUrl":"https://doi.org/10.14489/glc.2023.10.pp.039-047","url":null,"abstract":"From a cheap perlite as the basic raw material an opaque glass-crystalline material was synthesized containing nanosized crystals of wollastonite and gehlenite with an average size of 100 nm. The phase composition, microstructure and strength properties of the material were investigated. Changes in the composition and size of crystal grains caused by varying the amount of catalyst and the content of quartz in the initial mixtures make it possible to control the physico-mechanical properties of the obtained material. High strength and hardness allow using this material for protection against high-speed impact, including small arms bullets.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139325062","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
ENRICHMENT OF QUARTZ SANDS OF THE OYNAKUM DEPOSIT FOR SYNTHESIS OF HIGH-QUALITY TRANSPARENT GLASS 富集奥伊纳库姆矿床的石英砂以合成优质透明玻璃
Steklo i Keramika Pub Date : 2023-10-01 DOI: 10.14489/glc.2023.10.pp.048-054
A. B. Anvarov, Z. R. Kadyrova
{"title":"ENRICHMENT OF QUARTZ SANDS OF THE OYNAKUM DEPOSIT FOR SYNTHESIS OF HIGH-QUALITY TRANSPARENT GLASS","authors":"A. B. Anvarov, Z. R. Kadyrova","doi":"10.14489/glc.2023.10.pp.048-054","DOIUrl":"https://doi.org/10.14489/glc.2023.10.pp.048-054","url":null,"abstract":"The article discusses the possibility of using quartz sands from the Oynakum deposit as a promising source of high-quality quartz-containing raw materials for the glass industry in order to obtain higher grades of glass. The chemical, granulometric and mineralogical composition of quartz sands of the Oynakum deposit was studied, high concentrations of quartz sand were obtained using various enrichment schemes.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139328166","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
HEAT-RESISTANT MULTIFUNCTIONAL COATING FOR THE PROTECTION OF CORROSION-RESISTANT STEEL PARTS 用于保护耐腐蚀钢件的耐热多功能涂层
Steklo i Keramika Pub Date : 2023-10-01 DOI: 10.14489/glc.2023.10.pp.003-009
A. V. Zakalashniy, V. S. Denisova, O. V. Kulikova, A. Agarkov
{"title":"HEAT-RESISTANT MULTIFUNCTIONAL COATING FOR THE PROTECTION OF CORROSION-RESISTANT STEEL PARTS","authors":"A. V. Zakalashniy, V. S. Denisova, O. V. Kulikova, A. Agarkov","doi":"10.14489/glc.2023.10.pp.003-009","DOIUrl":"https://doi.org/10.14489/glc.2023.10.pp.003-009","url":null,"abstract":"A new heat-resistant multifunctional glass-based coating has been developed in the BaO–B2O3–SiO2 system, which protects parts made of corrosion-resistant steels from high-temperature gas corrosion at temperatures up to 900 ?C. The developed heat-resistant multifunctional coating has increased resistance to high temperatures, high dielectric properties, and therefore is multifunctional. A high level of properties is provided by a composition based on refractory glass and the addition of a bonding activator.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"70 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139324993","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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