A. G. Chetverikova, V. N. Makarov, A. R. Sadykov, O. N. Kanygina, M. M. Filyak, A. A. Smorokov, A. D. Trofimov
{"title":"Synthesis of Mullite-Silica Ceramics with Enhanced Electrophysical Properties","authors":"A. G. Chetverikova, V. N. Makarov, A. R. Sadykov, O. N. Kanygina, M. M. Filyak, A. A. Smorokov, A. D. Trofimov","doi":"10.1007/s10717-026-00801-0","DOIUrl":"10.1007/s10717-026-00801-0","url":null,"abstract":"<p>This study presents the synthesis of mullite–silica ceramics with enhanced electrophysical properties from natural kaolinite sourced from the Orenburg region. The work focuses on the influence of heat treatment and raw material dispersion on the phase formation process. The phase composition was characterized using differential thermal analysis (DTA), thermal process simulation during firing, and x-ray diffraction (XRD). The results indicate that an optimal temperature regime, combined with preliminary mechanical activation (grinding) and chemical activation with oxalic acid, stabilizes the mullite phase and reduces the maturing of residual silica. This process yields materials with low dielectric loss across a wide frequency range, along with high thermal stability and improved insulating properties. The obtained samples exceed the stipulated requirements of GOST 20419–83 for key parameters, including thermal conductivity and dielectric loss, thereby confirming their potential for use in electrical insulation and thermal barrier applications in the energy and engineering sectors.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"369 - 376"},"PeriodicalIF":0.6,"publicationDate":"2026-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. N. Belyakov, M. A. Markov, A. D. Kashtanov, A. D. Bykova, A. G. Chekuryaev, D. A. Dyuskina, A. N. Nikolaev
{"title":"Ballistic Performance of Diamond – Silicon Carbide Composite Fabricated by Reaction Sintering","authors":"A. N. Belyakov, M. A. Markov, A. D. Kashtanov, A. D. Bykova, A. G. Chekuryaev, D. A. Dyuskina, A. N. Nikolaev","doi":"10.1007/s10717-026-00799-5","DOIUrl":"10.1007/s10717-026-00799-5","url":null,"abstract":"<p>This study demonstrates the functional advantages of a reaction-sintered diamond – silicon carbide (D–SiC) composite for armor applications over standard silicon carbide, boron carbide, and corundum-based materials. Experimentally, the armor properties of the reaction-sintered D–SiC composite were found to meet the Br4 protection class. The prototype armor panels consisted of ceramic plates (thicknesses of 6 – 10 mm) bonded to a flexible backing of ultra-high-molecular-weight polyethylene (thickness of 8 – 10 mm). Ballistic testing confirmed that the panels exhibited no penetrations.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"356 - 362"},"PeriodicalIF":0.6,"publicationDate":"2026-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. D. Kapustin, A. O. Kirillov, A. S. Fedotov, D. Yu. Grachev
{"title":"Corrosion- and Heat-Resistant Nanoporous Ceramic Membranes Based on Y2O3 and α-Al2O3","authors":"R. D. Kapustin, A. O. Kirillov, A. S. Fedotov, D. Yu. Grachev","doi":"10.1007/s10717-026-00800-1","DOIUrl":"10.1007/s10717-026-00800-1","url":null,"abstract":"<p>We synthesized nanoporous ceramic materials using yttrium oxide (Y<sub>2</sub>O<sub>3</sub>) characterized by a cubic crystal structure, which is resistant to sintering. The synthesized materials included composites containing approximately 10 wt.% α-Al<sub>2</sub>O<sub>3</sub>. The pore structure and filtration characteristics of the resulting ceramics were examined. The materials were tested in aggressive environments, including 20 wt.% H<sub>2</sub>SO<sub>4</sub> and 10 wt.% KOH aqueous solutions, and under thermal cycling. The results showed no deformation or degradation in corrosive media, and thermal cycling led to no deterioration of the physical or mechanical properties. Filtration tests using model SiC particle suspensions (<i>D</i><sub>50</sub> = 500 nm) demonstrated a rejection efficiency exceeding 99.9%. The combination of favorable performance characteristics and a well-developed porous structure makes these materials suitable for the micro- and ultrafiltration of liquids and for catalytic processes under aggressive media and high thermal loads.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"363 - 368"},"PeriodicalIF":0.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. V. Mishinov, A. P. Velmuzhov, E. A. Tyurina, I. I. Evdokimov, B. S. Stepanov
{"title":"Adhesion of (Ge21Te79)100–x(AgI)x (x = 30, 40, 50) Glasses and Melts to Quartz Glass","authors":"S. V. Mishinov, A. P. Velmuzhov, E. A. Tyurina, I. I. Evdokimov, B. S. Stepanov","doi":"10.1007/s10717-026-00804-x","DOIUrl":"10.1007/s10717-026-00804-x","url":null,"abstract":"<p>This study investigates the effect of the formation temperature of an adhesion contact on the interfacial strength in (Ge<sub>21</sub>Te<sub>79</sub>)<sub>100–<i>x</i></sub>(AgI)<sub><i>x</i></sub> glass–quartz glass systems. The contact wetting angles of (Ge<sub>21</sub>Te<sub>79</sub>)<sub>100–<i>x</i></sub>(AgI)<sub><i>x</i></sub> glass melts on a quartz glass substrate were determined experimentally, and the surface tension of these chalcogenide glasses was measured. The temperature dependence of the work of adhesion for the (Ge<sub>21</sub>Te<sub>79</sub>)<sub>100–<i>x</i></sub>(AgI)<sub><i>x</i></sub> glass melts to quartz glass was also examined. The findings indicate a correlation between the adhesive strength of the solid-phase boundary and the work of adhesion of the chalcogenide melt to the quartz glass surface. The adhesive strength of the (Ge<sub>21</sub>Te<sub>79</sub>)<sub>100–<i>x</i></sub> (AgI)<sub><i>x</i></sub> glasses to quartz glass increases from 508 to 1104 kPa as the silver iodide content rises from 30 to 50 mol.%.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"388 - 392"},"PeriodicalIF":0.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Z. Kh. Tukhtamurodova, A. A. Eminov, Z. R. Kadyrova, Sh. M. Niyazova
{"title":"Physical and Chemical Studies of Diabase Rocks from the Uzunbulak Deposit (Uzbekistan) for the Production of Acid-Resistant Materials","authors":"Z. Kh. Tukhtamurodova, A. A. Eminov, Z. R. Kadyrova, Sh. M. Niyazova","doi":"10.1007/s10717-026-00803-y","DOIUrl":"10.1007/s10717-026-00803-y","url":null,"abstract":"<p>This study investigates the physicochemical characteristics and phase transformations of diabase rocks from the Uzunbulak deposit, Uzbekistan. The results demonstrate that firing at 1000°C induces phase transformations in the diabase samples, leading to the formation of wollastonite, pyroxene, and minor amounts of high-temperature quartz and cristobalite. The feasibility of using this diabase rock as a raw material component for producing acid-resistant materials with various applications has been established.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"383 - 387"},"PeriodicalIF":0.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. V. Nekipelov, B. A. Makeev, A. V. Fedorova, N. A. Zhuk
{"title":"Chromium-Doped Calcium Copper Titanate CaCu3Ti4O12 Investigated by Ultrasoft X-Ray Spectroscopy","authors":"S. V. Nekipelov, B. A. Makeev, A. V. Fedorova, N. A. Zhuk","doi":"10.1007/s10717-026-00808-7","DOIUrl":"10.1007/s10717-026-00808-7","url":null,"abstract":"<p>Chromium-containing solid solutions CaCu<sub>3</sub>Ti<sub>4 – 4<i>x</i></sub>Cr<sub>4<i>x</i></sub>O<sub>12–δ</sub> (space group <i>Im3</i>) were synthesized by the solid-state method. The unit cell parameters vary slightly, from 7.3897 Å (<i>x</i> = 0.02) to 7.3866 Å (<i>x</i> = 0.06). Copper oxide is detected in the intergranular space of all samples. The ceramics exhibit a low-porosity grain microstructure. Scanning electron microscopy (SEM) indicates that an increase in the chromium content (<i>x</i> = 0.01 – 0.06) leads to a reduction in the maximum longitudinal crystallite size from 16 to 10 μm. The charge states of cations in chromium-doped calcium copper titanate CaCu<sub>3</sub>Ti<sub>4</sub>O<sub>12</sub> (CCTO) were investigated using x-ray photoelectron spectroscopy (XPS) and near-edge x-ray absorption fine structure spectroscopy (NEXAFS). Spectroscopic data confirm that titanium cations exhibit a +(4 – δ) charge state, while copper and calcium cations are in the +2 state and chromium cations in the +3 state.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"406 - 411"},"PeriodicalIF":0.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V. S. Lesovik, L. Kh. Zagorodniuk, D. K. Madaminov, M. Yu. Yunusov, A. Sh. Ruzmetova, Z. B. Djumaniyazov
{"title":"Dune Sands from the Kushkupyr Deposit (Uzbekistan) for the Production of Sodium Silicate Based on a Microsilica – Dune Sand – Caustic Soda System","authors":"V. S. Lesovik, L. Kh. Zagorodniuk, D. K. Madaminov, M. Yu. Yunusov, A. Sh. Ruzmetova, Z. B. Djumaniyazov","doi":"10.1007/s10717-026-00802-z","DOIUrl":"10.1007/s10717-026-00802-z","url":null,"abstract":"<p>This study investigates the chemical and mineralogical composition, particle size distribution, and physical and chemical properties of raw dune sands from the Kushkupyr district of Uzbekistan. The particle size distribution indicates a predominance of particles larger than 0.007 mm, with a fineness modulus of less than one, which classifies these sands as fine-grained. Scanning electron microscopy (SEM) reveals that the sand particles consist primarily of irregularly shaped quartz grains. This work proposes compositions for producing sodium silicate based on a microsilica – dune sand – caustic soda system.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 9-10","pages":"377 - 382"},"PeriodicalIF":0.6,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. E. Petrov, I. Yu. Bakeev, A. A. Zenin, A. S. Klimov
{"title":"Electron Beam Sintering of Zirconia-Based Ceramics with Varying Yttria Content","authors":"A. E. Petrov, I. Yu. Bakeev, A. A. Zenin, A. S. Klimov","doi":"10.1007/s10717-025-00785-3","DOIUrl":"10.1007/s10717-025-00785-3","url":null,"abstract":"<p>The study examines the effect of varying yttria (Y<sub>2</sub>O<sub>3</sub>) content, used as a stabilizing dopant, on the micro-structure, phase composition, and mechanical properties of zirconia (ZrO<sub>2</sub>)-based ceramics fabricated by electron-beam sintering under forevacuum conditions. Samples with Y<sub>2</sub>O<sub>3</sub> concentrations ranging from 1.8 to 31.5 wt.% were investigated. An increase in the proportion of yttria in the initial mixture resulted in a decrease in the density of the sintered ceramics, while simultaneously promoting the stabilization of the tetragonal ZrO<sub>2</sub> phase. This phase stabilization enhanced the strength characteristics of the material, even in the absence of applied pressure during sintering. The highest microhardness, reaching 5.64 GPa, was achieved at a concentration of 15 wt.% Y<sub>2</sub>O<sub>3</sub>.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 7-8","pages":"277 - 282"},"PeriodicalIF":0.6,"publicationDate":"2025-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145595233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Low-Temperature Ceramics Based on Wollastonite and Perovskite Modified with Al2O3–CuO–Li2CO3 for LTCC Technology","authors":"D. S. Voloschuk, V. V. Anisimov, N. A. Makarov","doi":"10.1007/s10717-025-00784-4","DOIUrl":"10.1007/s10717-025-00784-4","url":null,"abstract":"<p>A ceramic composite was synthesized using β-CaSiO<sub>3</sub> (wollastonite) with perovskite additives and an Al<sub>2</sub>O<sub>3</sub>–CuO–Li<sub>2</sub>CO<sub>3</sub> sintering aid. This study examines the influence of sintering additives on the ceramic and dielectric properties of both CaSiO<sub>3</sub>/Al<sub>2</sub>O<sub>3</sub>–CuO–Li<sub>2</sub>CO<sub>3</sub> and CaSiO<sub>3</sub>/CaTiO<sub>3</sub>–Al<sub>2</sub>O<sub>3</sub>–CuO–Li<sub>2</sub>CO<sub>3</sub> systems. The thermal conductivity λ of the obtained samples ranged from 0.43 to 0.65 W/(m ∙ K), which is characteristic of wollastonite ceramics. The relative dielectric permittivity ε<sub><i>r</i></sub> ranged from 4.9 to 8.0, the dielectric loss tangent (tan δ) was (15.3–17.9) × 10 <sup>–3</sup> at a frequency <i>f</i> of 1 MHz, and the average density ρ<sub>av</sub> was 2.44 – 2.63 g/cm<sup>3</sup>. Sintering was carried out at temperatures ranging from 875 to 950°C. The combination of these properties, along with low thermal conductivity λ, meets the criteria for thermally stable ceramic packages and substrates used in low-temperature co-fired ceramic (LTCC) microelectronics applications.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 7-8","pages":"272 - 276"},"PeriodicalIF":0.6,"publicationDate":"2025-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145595234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. A. Leonidova, M. D. Basmanov, V. A. Aseev, N. V. Nikonorov
{"title":"Development of a Laser-Induced Breakdown Spectroscopy Method for Mapping the Chemical Composition of Lead Silicate Glasses","authors":"A. A. Leonidova, M. D. Basmanov, V. A. Aseev, N. V. Nikonorov","doi":"10.1007/s10717-025-00790-6","DOIUrl":"10.1007/s10717-025-00790-6","url":null,"abstract":"<p>In this work, we set out to develop a laser-induced breakdown spectroscopy (LIBS) method for monitoring the homogeneity of optical glasses in terms of chemical composition. A quantitative LIBS-based method for studying lead distribution over the surface area of lead silicate glasses is proposed. The parameters of laser radiation acting on the surface of lead silicate glasses (pulse energy, laser pulse repetition rate, laser wavelength, delay between the pulse and the analytical signal registration) are optimized. The minimum step of scanning the chemical composition over the surface area of a sample was established to be 300 μm.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"82 7-8","pages":"304 - 314"},"PeriodicalIF":0.6,"publicationDate":"2025-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145595145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}