E. A. Shokodko, A. I. Sitnikov, A. V. Shokodko, A. S. Chernyavskii, S. S. Strelnikova, K. A. Solntsev
{"title":"Study of the Rheological Characteristics of a Zirconium Dioxide Suspension for Gel Casting","authors":"E. A. Shokodko, A. I. Sitnikov, A. V. Shokodko, A. S. Chernyavskii, S. S. Strelnikova, K. A. Solntsev","doi":"10.1134/S2075113325703046","DOIUrl":"10.1134/S2075113325703046","url":null,"abstract":"<p>The rheological characteristics of a zirconium dioxide based suspension were investigated, and an optimization of the composition for implementation of the gel casting technology (gel-casting) was proposed. Commercial zirconia powder, partially stabilized with 3 mol % yttria and doped with 0.25 wt % alumina, was used in the experiments. Acrylamide and N,N-methylenebisacrylamide monomers were used to obtain the polyacrylamide gel. Compositions with varying contents of the dispersant Dolapix CE 64 and zirconia powder were prepared. By electroacoustic spectroscopy, the average particle size of the prepared ceramic suspension was determined to be 0.056 μm (56 nm). It was established that at this particle size the system is sufficiently stable for casting. The influence of pH, dispersant content, and ZrO<sub>2</sub> powder concentration on the suspension’s zeta potential and viscosity was studied. Optimum ranges of pH and Dolapix CE 64 content were determined. During the experiments, the ZrO<sub>2</sub> powder loading was increased to 38 vol % while maintaining satisfactory casting properties of the suspension: low viscosity, resistance to flocculation, and low particle sedimentation rate.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"561 - 565"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743657","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}
A. Yu. Sozin, O. Yu. Chernova, T. G. Sorochkina, D. M. Zimina, O. Yu. Troshin, A. D. Bulanov
{"title":"Determination of Impurities in Isotopically Enriched Tetrakis(Trifluorophosphine) Nickel (58Ni(PF3)4) by Gas Chromatography-Mass Spectrometry (GC-MS)","authors":"A. Yu. Sozin, O. Yu. Chernova, T. G. Sorochkina, D. M. Zimina, O. Yu. Troshin, A. D. Bulanov","doi":"10.1134/S2075113325703095","DOIUrl":"10.1134/S2075113325703095","url":null,"abstract":"<p>The impurity composition of isotopically enriched tetrakis(trifluorophosphine) nickel <sup>58</sup>Ni(PF<sub>3</sub>)<sub>4</sub> was studied for the first time using the gas chromatography-mass-spectrometry. The possibilities of using GS-GasPro 60 m × 0.32 mm capillary columns with silica gel as a sorbent and DB-5MS 30 m × 0.32 mm × 0.25 μm with methylsiloxane for the separation of impurities were studied. Impurities were identified by comparing their mass spectra with those known from the literature. Impurities of permanent gases, a number of hydrocarbons from C<sub>1</sub> to C<sub>9</sub>, dichloromethane, 1-propene-1-(2-furanyl) and an alkyl derivative of tetrakis(trifluorophosphine)nickel were detected, and their concentrations were determined. Detection limits for impurities at the level of 9 × 10<sup>–5</sup>–4 × 10<sup>–6</sup> vol % were achieved. For the first time, the mass spectrum of Ni(PF<sub>3</sub>)<sub>3</sub>(PF<sub>2</sub>CH<sub>3</sub>), which is absent from literary sources, was obtained and described.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"596 - 600"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743666","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}
A. G. Penkin, I. O. Bannykh, V. I. Antipov, A. G. Kolmakov, N. A. Minina, Yu. E. Mukhina
{"title":"Study of Deformation and Destruction Mechanisms of Fibrous Composite Materials by Acoustic Emission Method","authors":"A. G. Penkin, I. O. Bannykh, V. I. Antipov, A. G. Kolmakov, N. A. Minina, Yu. E. Mukhina","doi":"10.1134/S2075113325703083","DOIUrl":"10.1134/S2075113325703083","url":null,"abstract":"<p>The mechanisms of deformation and destruction of the metallic fiber composite material “aluminum-steel” with different volume fractions of fibers and different structural states of the interphase boundary under static tension conditions were studied using the acoustic emission method. The AMG-6 alloy was used as the matrix of the aluminum-steel composite material, and the reinforcing fibers were stainless austenitic-martensitic steel EP322 wire with a diameter of 350 μm. Samples of matrix and composite material with different volume fractions of fibers, including samples with an intermetallic layer at the fiber-matrix boundary with a thickness of 20 μm, which was formed during annealing at a temperature of 470°C, have been investigated in the work. The samples were tested for static tension at room temperature with a strain rate of 2.8 × 10<sup>–3</sup> s<sup>–1</sup> using a low-noise 10-ton Instron 3382 mechanical machine with simultaneous recording of a set of acoustic emission signal parameters in the frequency range of 20–1000 kHz and a dynamic range of 84 dB using the SDS1008 diagnostic system. It is found that the amplitude and energy characteristics of acoustic emission signals recorded during static stretching of composite material samples make it possible to control the kinetics of plastic deformation processes, strain hardening of the matrix material, destruction of the intermetallic compound at the interface, and the dynamics of fiber destruction. The possibility of identifying deformation mechanisms based on the analysis of spectral characteristics of acoustic emission signals during static stretching at the stages of yield, strain hardening, plastic flow and fracture of aluminum-steel composite material samples, as well as assessing the degree of influence of the structural state of the matrix-fiber interphase boundary on the nature of fiber fracture has been demonstrated in the work.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"589 - 595"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743727","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}
{"title":"Elastic Constants of Hyperelastic Material Models","authors":"S. A. Muslov, A. I. Lotkov","doi":"10.1134/S207511332570282X","DOIUrl":"10.1134/S207511332570282X","url":null,"abstract":"<p>Numerical values of elastic constants of hyperelastic models of hyperelastic soft biological tissues of human and animal organs are compared. Hyperelastic material models most often used in scientific literature were considered: Neo-Hookean, Mooney-Rivlin, Ogden, Polynomial, Yeoh, and Veronda—Westmann. A very wide spread of numerical values of elastic constants of the studied organ tissues was found. The Ogden model demonstrated the lowest coefficient of variation <i>CV</i> for the numerical values of the parameters of hyperelastic material models (2.06 for the constant μ and 0.77 for α), while the largest ones were demonstrated by the Yeoh model (15.47 for the constant <i>C</i><sub>3</sub>) and the polynomial model (8.63 for the constant <i>C</i><sub>02</sub> and 7.6 for the constant <i>C</i><sub>11</sub>, respectively). Based on the elastic constants of the models and their combinations, the shear moduli of tissues in the undeformed state were calculated.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"359 - 363"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743658","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}
S. I. Lobanov, P. G. Krinitsyn, A. F. Kurus, A. P. Eliseev, K. E. Kozhneva, A. A. Goloshumova, V. N. Vedenyapin, A. Y. Tarasova, L. I. Isaenko
{"title":"Studies of Nonlinear Chalcogenide Crystals for the Mid-Ir Range","authors":"S. I. Lobanov, P. G. Krinitsyn, A. F. Kurus, A. P. Eliseev, K. E. Kozhneva, A. A. Goloshumova, V. N. Vedenyapin, A. Y. Tarasova, L. I. Isaenko","doi":"10.1134/S2075113325702739","DOIUrl":"10.1134/S2075113325702739","url":null,"abstract":"<p>The BaGa<sub>4</sub>Se<sub>7</sub> (BGSe) crystals are grown vertically using the Bridgman method and their main properties are studied. The thermal conductivity values of LiGaS<sub>2</sub> (LGS) crystal are clarified. The main defects are identified using photoluminescence spectra. It is shown that annealing of BGSe crystals in the BaSe atmosphere leads to a strong weakening of photoluminescence peak. A search for new promising crystals for high-power laser systems is carried out based on the results of molecular design. The AgLiGa<sub>2</sub>Se<sub>4</sub> crystal is found and grown by us using the Bridgman method. The main physical parameters for this crystal are investigated.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"283 - 288"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743659","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}
M. P. Lukyanets, A. S. Buyakov, I. A. Fotin, V. V. Shmakov, E. V. Abdulmenova, M. A. Rudmin, S. P. Buyakova
{"title":"Fracture Toughness of Ceramic Composites Based on ZrB2, TiB2, and SiC with Low-Modulus h-BN Inclusions","authors":"M. P. Lukyanets, A. S. Buyakov, I. A. Fotin, V. V. Shmakov, E. V. Abdulmenova, M. A. Rudmin, S. P. Buyakova","doi":"10.1134/S2075113325702879","DOIUrl":"10.1134/S2075113325702879","url":null,"abstract":"<p>The structure and properties of the (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC)–(<i>h</i>-BN) ceramic composites are studied. In the (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC)–(<i>h</i>-BN) system, the (Zr<sub>0.83</sub>Ti<sub>0.17</sub>)B<sub>2</sub> substitutional solid solution is formed during sintering. The addition of low-modulus hexagonal boron nitride (<i>h</i>-BN) inclusions increases the fracture toughness (<i>K</i><sub>IC</sub>) and the ultimate flexural strength (σ<sub><i>f</i></sub>). The highest values of <i>K</i><sub>IC</sub> = 6.01 ± 0.09 MPa m<sup>1/2</sup> and σ<sub><i>f</i></sub> = 544 ± 8 MPa of the (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC)–(<i>h</i>-BN) ceramic composites are achieved with the addition of 5 vol % of <i>h</i>-BN. The addition of low-modulus <i>h</i>-BN inclusions into a high-modulus ceramic (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC) matrix ensured the dissipation of crack energy at relatively weak internal “matrix–inclusion” boundaries due to crack bifurcation (the Cook–Gordon mechanism). In the (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC)–(<i>h</i>-BN) system, a noticeable increase in <i>K</i><sub>IC</sub> of the composites being studied is due to the action of two mechanisms: the Cook–Gordon mechanism and the stopping of cracks in the field of residual compressive stresses. It is found that as the volume content of <i>h</i>-BN increases, the contribution of the Cook–Gordon mechanism to the fracture toughness of the (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC)–(<i>h</i>-BN) ceramic composites increases. However, a further increase in the <i>h</i>‑BN content (over 5 vol %) leads to a significant decrease in the fracture toughness of the (ZrB<sub>2</sub>–TiB<sub>2</sub>–SiC)–(<i>h</i>-BN) ceramic composites.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"406 - 413"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743661","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}
N. A. Lebedeva, E. V. Galitsyna, N. V. Volkova, N. A. Ulyakina
{"title":"Calcium Phosphate Materials for Osteoplasty and Their Prospects as Anticancer Drug Delivery Systems: a Review of Research and Development","authors":"N. A. Lebedeva, E. V. Galitsyna, N. V. Volkova, N. A. Ulyakina","doi":"10.1134/S2075113325702703","DOIUrl":"10.1134/S2075113325702703","url":null,"abstract":"<p>In this paper we analyze the research and development in the field of calcium-phosphate materials for the replacement of bone tissue defects, including those with antitumor action—in the case of bone defects resulting from cancer diseases affecting and/or metastasizing to bone tissue. The following databases were used for the analysis: PubMed; Web of Science; The Lens; Espacenet; Information Search System of Federal Institute of Industrial Property (FIIP); digital platform “Rospatent”; Unified State Information System for Accounting of Research, Development and Technological Work of Civil Purpose (EGISU NIOKTR); electronic service of the Federal Service for Surveillance in Healthcare (Roszdravnadzor)—State Register of Medical Devices and Organizations (Individual Entrepreneurs) engaged in the production and manufacturing of medical devices (State Register of medical devices). According to the results of analysis of data in EGISU NIOKTR, the largest number of studies in the field of calcium-phosphate materials for replacement of bone tissue defects were started in Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences (Baikov Institute). A total of 81 research and development (R&D) works in this field are registered in the EGISU NIOKTR, of which only 16% of the works are devoted to obtaining materials intended for the restoration of bone tissue defects and having therapeutic potential, including in the field of oncology. As a result of the analysis of patent documents contained in the above databases, we can conclude that Russian Federation has low patent activity in the field of creation and application of calcium-phosphate materials for replacement of bone tissue defects compared to other countries of the world. Among patent holders from Russia, Baikov Institute is in the first place by the number of patents. The analysis of State Register of medical devices shows that 25 medical devices representing calcium-phosphate materials for bone tissue defects replacement are registered on the Russian market, and 16 of them belong to manufacturers from Russia. At the same time, seven registration certificates have been issued for calcium-phosphate materials, which additionally include active substances or medicinal preparations in their composition, and five of such materials belong to Russian organizations.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"255 - 266"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743667","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}
N. P. Sivtseva-Gladkina, V. I. Fedoseeva, A. M. Spiridonov, A. A. Okhlopkova
{"title":"The Influence of Modified SiO2 on the Tribological Properties of a Polymer Composite Material Based on Polytetrafluoroethylene","authors":"N. P. Sivtseva-Gladkina, V. I. Fedoseeva, A. M. Spiridonov, A. A. Okhlopkova","doi":"10.1134/S2075113325702892","DOIUrl":"10.1134/S2075113325702892","url":null,"abstract":"<p>Some wear features of polymer composite materials based on polytetrafluoroethylene filled with modified silicon oxide are characterized. The influence of ion-exchange modification of silicon oxide with aluminum cations from aqueous solutions on the surface activity of the filler in the processes of forming polymer composite materials is considered. The textural characteristics of silicon oxide before and after modification are determined using the low-temperature nitrogen adsorption. Using scanning electron microscopy, images of friction surfaces of polymer composite materials are studied to explain the improvement in their performance characteristics, and the elemental composition of the filler before and after processing is determined. The friction surfaces of samples after tribological tests are studied using infrared spectroscopy. It is shown that aluminum cations promote the intensification of tribo-oxidative reactions during the frictional wear of polymer composite materials with a modified filler followed by structuring of the surface layers and the formation of secondary structures on the friction surface, which leads to an increase in the wear resistance of the material by several times compared to a polymer composite material filled with unmodified silicon oxide.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"438 - 444"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743673","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}
D. V. Belov, S. N. Belyaev, N. A. Sorokoletova, E. I. Serebrov
{"title":"Magnetorheological Polishing of KDP Crystals Surface","authors":"D. V. Belov, S. N. Belyaev, N. A. Sorokoletova, E. I. Serebrov","doi":"10.1134/S2075113325702764","DOIUrl":"10.1134/S2075113325702764","url":null,"abstract":"<p>The magnetorheological finishing treatment (magnetorheological polishing) of the surface of water-soluble crystals of potassium dihydroorthophosphate (KDP) is studied. A nano-abrasive based on amorphous silicon dioxide obtained by modified sol-gel synthesis is introduced into magnetorheological suspension. The study of the surface roughness of optical elements after magnetorheological polishing is carried out using the profilometry. The advantages of the developed method of magnetorheological polishing of the surface of KDP single crystals include the possibility of processing large-aperture samples, as well as achieving high-quality surface treatment. Final polishing of the KDP single crystal surface with SiO<sub>2</sub> nano-abrasive provides a roughness value of no more than 0.6 nm.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"301 - 312"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743687","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}
I. V. Shvarts, S. A. Nikiforov, A. I. Gorunov, A. Kh. Gilmutdinov
{"title":"Analysis of the Influence of Ultrasonic Vibrations on the Microstructure of Stainless Steel During Direct Laser Deposition","authors":"I. V. Shvarts, S. A. Nikiforov, A. I. Gorunov, A. Kh. Gilmutdinov","doi":"10.1134/S207511332570296X","DOIUrl":"10.1134/S207511332570296X","url":null,"abstract":"<p>A combined method of direct laser deposition with ultrasonic treatment was investigated. An experimental test rig was developed to validate the method, ensuring immobilization of the substrate and protecting the Langevin ultrasonic transducer from overheating. To perform a quantitative analysis of the effect of ultrasonic treatment on the microstructure of stainless steel, a program was developed to determine the size distribution of columnar dendrites from optical images. Comparative analysis of the results showed that ultrasonic vibrations lead to refinement of the columnar dendritic structure. The average size of the columnar dendrites decreased by between 22.1 and 43.3% for different zones of the specimen’s cross section. Analysis of the standard deviation indicated that dendrite size values are more tightly clustered around the mean, which points to a more uniformly distributed metal structure in experiments with ultrasonic treatment. It is concluded that the observed refinement may be caused by acoustic streaming and cavitation effects.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"488 - 496"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743655","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}