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Ferroelectric Piezoelectric Ceramics Based on Alkali Metal Niobates 碱金属铌酸盐基铁电压电陶瓷
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325702752
D. I. Zorin, E. V. Glazunova, I. N. Andryushina, S. I. Dudkina, I. A. Verbenko, L. A. Reznichenko
{"title":"Ferroelectric Piezoelectric Ceramics Based on Alkali Metal Niobates","authors":"D. I. Zorin,&nbsp;E. V. Glazunova,&nbsp;I. N. Andryushina,&nbsp;S. I. Dudkina,&nbsp;I. A. Verbenko,&nbsp;L. A. Reznichenko","doi":"10.1134/S2075113325702752","DOIUrl":"10.1134/S2075113325702752","url":null,"abstract":"<p>A comparison of the properties of environmentally friendly alkaline niobate-based ferroelectric piezoceramic materials was conducted, focusing on the transition from traditional manufacturing methods to processes utilizing externally applied pressure, mechanoactivation of synthesized powders, modification of the elemental composition, and the introduction of an additional isothermal dwell time during sintering via hot pressing. Crystal structure, micristructure, piesoelectrical, electroelastic, and mechanical properties of objects were investigated. Optimal processing parameters that ensure the best electrophysical properties of the materials were selected. It was concluded that the obtained results are promising for use in the development of similar materials and electronic devices based on them.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"296 - 300"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743654","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
Chemical Vapor Deposition of Tungsten Borides 化学气相沉积硼化钨
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325703022
A. V. Poligenko, K. M. Osipov, E. A. Ruban, A. A. Shaporenkov, V. V. Dushik
{"title":"Chemical Vapor Deposition of Tungsten Borides","authors":"A. V. Poligenko,&nbsp;K. M. Osipov,&nbsp;E. A. Ruban,&nbsp;A. A. Shaporenkov,&nbsp;V. V. Dushik","doi":"10.1134/S2075113325703022","DOIUrl":"10.1134/S2075113325703022","url":null,"abstract":"<p>This paper presents the results of experiments on the synthesis of tungsten boride (WB), as part of the W–C–B system by chemical vapor deposition from a vapor–gas mixture containing tungsten hexafluoride, hydrogen, and trimethylamine borane (TMAB), using argon as a carrier gas. The schematic diagram of the working unit is described, the materials used and the synthesis modes are presented. The feasibility of forming the WB and W<sub>2</sub>B<sub>5</sub> phases via deposition using a tungsten fluoride precursor is demonstrated. Data on the phase composition and morphology of deposits obtained under various deposition conditions are presented, along with a proposed possible mechanism of phase formation during chemical deposition from the WF<sub>6</sub>–H<sub>2</sub>–TMAB gas mixture.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"546 - 553"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743662","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 Capacity and Changes in the Thermodynamic Functions of the Aluminum Conductor Alloy AlV0.1, Doped with Sodium as a Function of Temperature 掺钠铝导体AlV0.1的热容及热力学函数随温度的变化
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S207511332570306X
I. N. Ganiev, Sh. Sh. Okilov, D. Ch. Kurbonov, D. K. Azizova
{"title":"Heat Capacity and Changes in the Thermodynamic Functions of the Aluminum Conductor Alloy AlV0.1, Doped with Sodium as a Function of Temperature","authors":"I. N. Ganiev,&nbsp;Sh. Sh. Okilov,&nbsp;D. Ch. Kurbonov,&nbsp;D. K. Azizova","doi":"10.1134/S207511332570306X","DOIUrl":"10.1134/S207511332570306X","url":null,"abstract":"<p>The specific heat capacity, heat-transfer coefficient and thermodynamic functions of the AlV0.1 aluminum conductor alloy with sodium were determined in the cooling mode using the known specific heat capacity of a reference aluminum sample (grade A5N). To this end, polynomial fits describing the cooling rates were obtained by processing the cooling-rate curves of the AlV0.1 alloy samples with sodium and of the reference. Using the cooling-rate values of the tested alloy samples and of the reference, together with their masses, the specific heat capacity and thermodynamic functions of the AlV0.1 aluminum conductor alloy with sodium were calculated as functions of temperature. It was shown that with increasing temperature and sodium content the heat capacity, enthalpy and entropy of the AlV0.1 aluminum alloy increase slightly, while the Gibbs free energy decreases.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"576 - 582"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743665","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
High-Entropy Bioceramics Based on Mixed-Cationic Silicon Germanium Phosphates with Glaserite-Like Structure 基于类glasermite结构的混合阳离子磷酸硅锗的高熵生物陶瓷
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S207511332570279X
N. V. Leontiev, D. S. Larionov, D. O. Golubchikov, Ya. Yu. Filippov, E. S. Klimashina, V. A. Bitanova, A. M. Murashko, I. M. Scherbakov, P. V. Evdokimov, V. I. Putlayev
{"title":"High-Entropy Bioceramics Based on Mixed-Cationic Silicon Germanium Phosphates with Glaserite-Like Structure","authors":"N. V. Leontiev,&nbsp;D. S. Larionov,&nbsp;D. O. Golubchikov,&nbsp;Ya. Yu. Filippov,&nbsp;E. S. Klimashina,&nbsp;V. A. Bitanova,&nbsp;A. M. Murashko,&nbsp;I. M. Scherbakov,&nbsp;P. V. Evdokimov,&nbsp;V. I. Putlayev","doi":"10.1134/S207511332570279X","DOIUrl":"10.1134/S207511332570279X","url":null,"abstract":"<p>Presented are the results of stereolithographic fabrication of bioceramics with the high-temperature glaserite structure based on mixed‑cation silicon germanium phosphates containing up to 10 different osteoinductive chemical elements occupying sites in the glaserite structure. The complex chemical composition of the solid solutions is required to produce bioceramics with improved properties intended for bone tissue reconstruction. The increased configurational entropy of the solid solutions used allows stabilization of the high‑temperature glaserite modification, which exhibits significant resorbability. Powders with submicron‑sized particles and enhanced sintering activity were prepared by a gel‑polymerization synthesis method.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"336 - 344"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743689","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
Control of Mechanical Properties of Cement Composites Using Modifier Additives 改性剂对水泥复合材料力学性能的控制
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325702880
A. V. Puzatova, A. D. Kogai, M. A. Dmitrieva, T. S. Khlebtsova
{"title":"Control of Mechanical Properties of Cement Composites Using Modifier Additives","authors":"A. V. Puzatova,&nbsp;A. D. Kogai,&nbsp;M. A. Dmitrieva,&nbsp;T. S. Khlebtsova","doi":"10.1134/S2075113325702880","DOIUrl":"10.1134/S2075113325702880","url":null,"abstract":"<p>The efficiency of redispersible polymer powder, cellulose ether, and calcium formate additives for controlling the mechanical properties of cement composites was examined. The early strength of modified cement composite specimens was determined after 30–90 min of curing, and the curing kinetics were investigated using isothermal calorimetry. For the most promising specimens, the rheological characteristics of the fresh mix, strength properties at later curing ages (up to 28 days), and sample structure (analyzed by X‑ray computed tomography) were determined. Additions of redispersible polymer powder and calcium formate at a dosage of 2% by weight of cement contribute to improved compressive strength of the cement composites. Both additives increase specimen strength by 42–64% after 1 day and by 21–47% after 3 days. After 7 days, 2% calcium formate increases specimen strength by 32%, and after 28 days by 15%. The studied additives increase the viscosity and density of the mix; in addition, with 2% redispersible polymer powder the initial and final setting times are shortened by 15 min. The results indicate that the additives investigated can be regarded as efficient modifiers of cement composites suitable for additive construction technologies.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"429 - 437"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743695","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
Synthesis of Functional-Gradient Material by Direct Laser Deposition with Ultrasonic Impact 超声冲击直接激光沉积法合成功能梯度材料
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325703009
I. V. Shvarts, S. A. Nikiforov, A. I. Gorunov, A. Kh. Gilmutdinov
{"title":"Synthesis of Functional-Gradient Material by Direct Laser Deposition with Ultrasonic Impact","authors":"I. V. Shvarts,&nbsp;S. A. Nikiforov,&nbsp;A. I. Gorunov,&nbsp;A. Kh. Gilmutdinov","doi":"10.1134/S2075113325703009","DOIUrl":"10.1134/S2075113325703009","url":null,"abstract":"<p>The possibility of synthesizing a functionally graded material by direct laser deposition (DLD) with ultrasonic excitation was investigated. A Langevin-type transducer with an output of 100 W and a frequency of 20 kHz was used as the high-frequency vibration source. The transitional structure from EuTroLoy 16316D.04 stainless steel to the nickel alloy Inconel 625 was studied. Thanks to the ultrasonic excitation, a structure composed of equiaxed columnar dendrites was obtained. The elemental distribution along the central line of the specimens’ cross-section was analyzed. The influence of ultrasonic vibrations on the relative contents of Fe and Ni was noted, producing a smoothing of the elemental composition across the transition from one composition to the other. Microhardness analysis along a line parallel to the central line of the cross-section showed a decrease in microhardness when transitioning from 100% Inconel 625 to 100% stainless steel, while the microhardness measured with ultrasonic excitation was 5–7% higher than that measured without it.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"529 - 535"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743720","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
Strain Sensitivity of Conductivity of Composites Based on Polypropylene and Carbon Nanotubes: Experimental and Numerical Studies of the Effect of Glass Fiber Reinforcement 聚丙烯/碳纳米管复合材料电导率的应变敏感性：玻璃纤维增强效应的实验与数值研究
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325702697
O. V. Lebedev, T. S. Kurkin, M. Yu. Yablokov, E. K. Golubev, A. N. Ozerin
{"title":"Strain Sensitivity of Conductivity of Composites Based on Polypropylene and Carbon Nanotubes: Experimental and Numerical Studies of the Effect of Glass Fiber Reinforcement","authors":"O. V. Lebedev,&nbsp;T. S. Kurkin,&nbsp;M. Yu. Yablokov,&nbsp;E. K. Golubev,&nbsp;A. N. Ozerin","doi":"10.1134/S2075113325702697","DOIUrl":"10.1134/S2075113325702697","url":null,"abstract":"<p>In order to develop an effective method for investigating and predicting the deformation behavior of the electrical conductivity of conductive nanocomposite materials additionally reinforced with glass fibers, a numerical model was developed that takes into account the interrelationship of the properties of such composites at different scales of their structure. For the experimental verification of the developed multiscale model, composites based on polypropylene modified with multi-walled carbon nanotubes were fabricated. The resulting nanocomposites were additionally reinforced with layers of glass fabric, with the layers stacked in a 0°/90° pattern. This ensured the multiscale structure of the resulting composite material, as well as the isotropy of the electrical conductivity in the plane of the glass fabric in the composite. The uniaxial deformation of the fabricated glass fiber reinforced nanocomposites with simultaneous continuous measurement of their electrical resistance was carried out by experimental and numerical methods. The results of the numerical modeling were compared with the experimental data obtained for both the nanotube-filled polypropylene and the fabricated glass fiber-reinforced nanocomposites based on it. It was shown that the introduction of glass fiber into an electrically conductive nanocomposite increases the strain sensitivity of the electrical conductivity of the material under uniaxial deformation, which is adequately predicted by the proposed method of multiscale modeling, provided that the structural features of the composite are correctly reflected.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"245 - 254"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743653","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
Synthesis of a Composite Material Based on Selenite-Substituted Hydroxyapatite and Collagen 亚硒酸盐取代羟基磷灰石与胶原复合材料的合成
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325702788
S. M. Sipyagina, O. A. Golovanova
{"title":"Synthesis of a Composite Material Based on Selenite-Substituted Hydroxyapatite and Collagen","authors":"S. M. Sipyagina,&nbsp;O. A. Golovanova","doi":"10.1134/S2075113325702788","DOIUrl":"10.1134/S2075113325702788","url":null,"abstract":"<p>Composite materials based on calcium phosphate with added selenite ions and collagen were synthesized. Composition, morphology, density, porosity, and degradation of samples in a Tris-buffered saline solution and a simulated body fluid (SBF) solution were studied. It was found that adding selenite ions to hydroxyapatite increases its solubility and porosity, and the density of this material is almost comparable to that of human bone. Addition of collagen increases the dissolution rate and porosity, while decreasing the density. It was found that the synthesized hydroxyapatite samples with added selenite ions, collagen, and selenite ions can be used as bone-substituting materials in various applications, each with unique properties.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"326 - 335"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743678","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
Study of Corrosion-Fatigue Fracture of Industrial Aluminum Alloys Al–Mg 工业铝合金Al-Mg腐蚀疲劳断裂研究
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325703125
O. A. Belkin, M. K. Chegurov, V. N. Chuvil’deev, A. V. Nokhrin, A. N. Sysoev, A. V. Komel’kov, N. A. Kozlova, N. N. Berendeev, V. D. Chupriyanova
{"title":"Study of Corrosion-Fatigue Fracture of Industrial Aluminum Alloys Al–Mg","authors":"O. A. Belkin,&nbsp;M. K. Chegurov,&nbsp;V. N. Chuvil’deev,&nbsp;A. V. Nokhrin,&nbsp;A. N. Sysoev,&nbsp;A. V. Komel’kov,&nbsp;N. A. Kozlova,&nbsp;N. N. Berendeev,&nbsp;V. D. Chupriyanova","doi":"10.1134/S2075113325703125","DOIUrl":"10.1134/S2075113325703125","url":null,"abstract":"<p>Fatigue and corrosion-fatigue tests were carried out on commercial aluminum alloys of the Al–Mg system: AMg2, AMg5, and 1570. These alloys have a coarse-grained deformed microstructure with two types of inclusions oriented along the rolling axis. Fatigue tests were carried out at room temperature, using a bending-rotation scheme in air and in a 3% aqueous NaCl solution. Fatigue curves for tests in air and in a corrosive environment can be described using the Basquin equation and a crack tip plastic deformation model. Reduced fatigue limits (σ<sub>–1</sub>) of commercial Al–Mg alloys during fatigue tests in air are due to the presence of micron-sized inclusions. When tested in air, an increase in the strength of Al–Mg alloys is accompanied by an increase in σ<sub>–1</sub> and a slight decrease in the fatigue curve slope (an increase in the plastic deformation activation energy at the crack tip Δ<i>F</i>/<i>kT</i>). The decrease in σ<sub>–1</sub> and Δ<i>F</i>/<i>kT</i> during corrosion-fatigue testing of Al–Mg alloys is due to the Rehbinder effect and the occurrence of corrosion defects on the surface of aluminum alloys, primarily pitting and crack-like defects of intergranular corrosion on β-phase particles that form microgalvanic pairs with a crystal lattice.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"396 - 405"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743694","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 Influence of Aluminum on the Physical and Mechanical Properties and Corrosion Resistance of Medium-Entropy Al–Co–Fe–C–Mo–W Alloys 铝对中熵Al-Co-Fe-C-Mo-W合金物理力学性能和耐蚀性的影响
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2026-04-26 DOI: 10.1134/S2075113325703101
M. A. Kudashev, A. Yu. Ivannikov, A. B. Mikhailova, V. S. Yusupov
{"title":"The Influence of Aluminum on the Physical and Mechanical Properties and Corrosion Resistance of Medium-Entropy Al–Co–Fe–C–Mo–W Alloys","authors":"M. A. Kudashev,&nbsp;A. Yu. Ivannikov,&nbsp;A. B. Mikhailova,&nbsp;V. S. Yusupov","doi":"10.1134/S2075113325703101","DOIUrl":"10.1134/S2075113325703101","url":null,"abstract":"<p>The effect of aluminum on the density, compressive strength, and corrosion resistance in a 3.5% aqueous NaCl solution of sintered medium-entropy (0, 2.5, 5)Al–20Co–Fe–30Cr–3Mo–2 W alloy is under consideration. Doping of the alloy with 5 wt % of aluminum contributes to the reduction of density from 8.1 to 7.1 g/cm<sup>3</sup> and the specific compressive strength from 118 to 103 (MPa cm<sup>3</sup>)/g. At the same time, an increase in corrosion resistance is ensured, since the corrosion current density is reduced from 117.7 to 25.6 μA/cm<sup>2</sup>, and the passivation area is also significantly expanded.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"17 2","pages":"451 - 454"},"PeriodicalIF":0.3,"publicationDate":"2026-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147743717","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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