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Deformation Structure Evolution during Mechanical Cycling of Nanocristalline TiNi alloy 纳米晶TiNi合金机械循环过程中的变形组织演变
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325701953
S. L. Girsova, T. M. Poletika, S. M. Bitter, Yu. P. Mironov
{"title":"Deformation Structure Evolution during Mechanical Cycling of Nanocristalline TiNi alloy","authors":"S. L. Girsova,&nbsp;T. M. Poletika,&nbsp;S. M. Bitter,&nbsp;Yu. P. Mironov","doi":"10.1134/S2075113325701953","DOIUrl":"10.1134/S2075113325701953","url":null,"abstract":"<p>The influence of cyclic tensile deformation in the loading/unloading mode for up to 45 cycles in the superelastic loop region on the inelastic characteristics and deformation structure of the nanocrystalline aging superelastic alloy Ti–50.9 at % Ni is studied. It is established that the distinctive feature of the initial stage (up to 5–10 cycles) is the accumulation of dislocations and the formation of a three-dimensional network with nodes pinned by Ti<sub>3</sub>Ni<sub>4</sub> particles, limiting the dislocation activity. Achieving a high level of stresses in the strengthened dislocation structure with an increase in the number of cycles to 10–20 contributes to a decrease in the shear stability of the B2 structure and the occurrence of additional accommodative deformation mechanisms. The result of the relaxation of internal stresses arising near the boundaries of primary grains and their joints is the formation of kink-like deformation bands, providing a collective nature of the reorientation of the crystal lattice.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1737 - 1742"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698570","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
Smoothing and Structural Hardening of the Additive Surface of the TiZrNb Alloy by Electric Spark Treatment with an AlCaZrY Electrode AlCaZrY电极电火花处理TiZrNb合金添加剂表面的平滑和组织硬化
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325701825
S. K. Mukanov, M. I. Petrzhik, V. A. Sheremetyev, E. A. Levashov
{"title":"Smoothing and Structural Hardening of the Additive Surface of the TiZrNb Alloy by Electric Spark Treatment with an AlCaZrY Electrode","authors":"S. K. Mukanov,&nbsp;M. I. Petrzhik,&nbsp;V. A. Sheremetyev,&nbsp;E. A. Levashov","doi":"10.1134/S2075113325701825","DOIUrl":"10.1134/S2075113325701825","url":null,"abstract":"<p>The conditions of healing of surface defects and structural strengthening of additive surface of Ti-ZrNb samples obtained by selective laser melting (SLM) with subsequent vacuum electric spark treatment (EST) by low-melting AlCaZrY electrode were investigated. The effect of electrode polarity on kinetics of mass transfer, structure, chemical and phase composition of modified surface was studied. The investigations were performed by methods of scanning electron microscopy, energy-dispersive spectroscopy and optical profilometry. It is shown that the use of the optimal mode of EST reduces the roughness of the additive surface by 3 times as a result of local melting of protrusions and filling of cavities up to 200 μm deep with the melt formed in-situ during the EST process. It is found that the structure of such a coating consists of an aluminum matrix strengthened by dispersed intermetallic inclusions Ti<sub>3</sub>Al with a size of about 4 μm. The applied treatment made it possible to increase the wear resistance of the TiZrNb alloy against a steel ball by 2 times, and also to reduce the friction coefficient from 0.37 to 0.29.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1654 - 1660"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698669","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
Sol-Gel Synthesis and Characterization of Titanium Dioxide Nanoparticles for Efficient Arsenic Sorption from Aqueous Solutions 溶胶-凝胶法制备二氧化钛纳米粒子对砷的高效吸附
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325702053
I. B. Dorosheva, N. V. Pechishcheva, L. G. Burdina, A. A. Rempel
{"title":"Sol-Gel Synthesis and Characterization of Titanium Dioxide Nanoparticles for Efficient Arsenic Sorption from Aqueous Solutions","authors":"I. B. Dorosheva,&nbsp;N. V. Pechishcheva,&nbsp;L. G. Burdina,&nbsp;A. A. Rempel","doi":"10.1134/S2075113325702053","DOIUrl":"10.1134/S2075113325702053","url":null,"abstract":"<p>Titanium dioxide nanoparticles were synthesized by the sol-gel method. The phase composition (amorphous), particle size (from 20 to 80 nm), pycnometric density (3.50 g/cm<sup>3</sup>), specific surface area (300 m<sup>2</sup>/g) and band gap width (3.4 eV) were determined. As(III) sorption experiments were carried out in the dark and under 440 nm LED irradiation, varying the pH of the aqueous medium from 1 to 12 and the sorption time from 15 to 180 min. Sorption kinetic curves were obtained and the maximum allowable concentration of arsenic in water was achieved.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1810 - 1813"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698782","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 Synthesis, Structure, and Features of Biocomposites Based on Selenite-Substituted Hydroxyapatite and Collagen 亚硒酸盐取代羟基磷灰石-胶原生物复合材料的合成、结构及性能研究
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S207511332570203X
S. M. Sipiagina, O. A. Golovanova
{"title":"The Synthesis, Structure, and Features of Biocomposites Based on Selenite-Substituted Hydroxyapatite and Collagen","authors":"S. M. Sipiagina,&nbsp;O. A. Golovanova","doi":"10.1134/S207511332570203X","DOIUrl":"10.1134/S207511332570203X","url":null,"abstract":"<p>Materials based on selenite-substituted hydroxyapatite and collagen were synthesized. Chemical analysis of solutions after precipitate separation confirmed the substitution of phosphate ions by selenite ions in the hydroxyapatite structure. Results of elemental analysis, X-ray phase analysis (XRD), and infrared spectroscopy (IR) verified these substitutions in the hydroxyapatite structure. Morphological studies revealed a trend of increasing aggregate size with higher concentrations of selenite ions and collagen. Scanning probe microscopy showed that samples with selenite ions exhibited greater surface roughness compared to collagen-containing samples. The BET (Brunauer-Emmett-Teller) method provided specific surface area measurements of synthesized powders. The highest values were recorded for samples with 10.0 g/L selenite ions, while the lowest were for collagen-containing materials. Resorption studies in TRIS-buffer (pH 7.40) and simulated body fluid (SBF) demonstrated increased dissolution rates for samples with high selenite ion content. Collagen addition reduced dissolution rates. Thermal analysis (200–800°C) identified the sample with lowest selenite ion concentration (1.5 g/L) as most thermally stable.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1795 - 1804"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698378","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
Application of Modern Provisions of the Kinetic Theory of Strength to Solve Problems of High-Precision Prediction of the Defining Characteristics of Composites in Extreme Conditions 应用现代强度动力学理论解决极端条件下复合材料定义特性高精度预测问题
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325702223
E. L. Gusev, V. N. Bakulin
{"title":"Application of Modern Provisions of the Kinetic Theory of Strength to Solve Problems of High-Precision Prediction of the Defining Characteristics of Composites in Extreme Conditions","authors":"E. L. Gusev,&nbsp;V. N. Bakulin","doi":"10.1134/S2075113325702223","DOIUrl":"10.1134/S2075113325702223","url":null,"abstract":"<p>The problem of developing effective methods for predicting the defining characteristics of polymer composites under the influence of extreme environmental factors characteristic of the climatic conditions of the Arctic and Subarctic zones has been investigated. The formulated problems of developing effective forecasting methods are investigated within the framework of refined variational formulations based on modern provisions of the kinetic theory of strength. A number of fundamental principles and concepts were introduced that make it possible to optimally coordinate the defining parameters calculated on the basis of the constructed mathematical models at the macro level with the defining parameters of physical models describing molecular interactions at the micro level. A methodology has been developed for matching the parameters of mathematical and physical models at the micro and macro levels, which made it possible to solve the problem of restoring the parameters of physico-chemical processes occurring at the micro level, leading to destructive changes in composites and deterioration of their characteristics over time. Based on the conducted physical experiments, an objective assessment of the parameters of destructive chemical reactions in composites was carried out, which made it possible to construct effective generalized models of durability for a long-term period, as well as to conduct a constructive analysis of the influence of individual extreme factors on durability. The results of computational experiments are presented.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1922 - 1926"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698474","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 Methylated Silica from Mineral Silicate Raw Materials 以矿物硅酸盐为原料合成甲基化二氧化硅
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325702235
Y. O. Velyaev, D. V. Mayorov, K. A. Pimenov, H. C. Silva, Saif Alauldeen Ridha
{"title":"Synthesis of Methylated Silica from Mineral Silicate Raw Materials","authors":"Y. O. Velyaev,&nbsp;D. V. Mayorov,&nbsp;K. A. Pimenov,&nbsp;H. C. Silva,&nbsp;Saif Alauldeen Ridha","doi":"10.1134/S2075113325702235","DOIUrl":"10.1134/S2075113325702235","url":null,"abstract":"<p>This paper presents research on the methylation of silicon dioxide surfaces derived from sulfuric acid decomposition of nepheline concentrate. Two methylation approaches were investigated: (1) direct attachment of methyl groups to the silica surface in nonpolar media with water molecule condensation, and (2) intermediate formation in an alkaline medium. Through comprehensive physicochemical characterization, we analyzed the morphology, surface elemental composition, and structural-surface properties of the methylated silica samples. The study revealed that silica subjected to direct methanol treatment exhibits a higher specific surface area (496 m<sup>2</sup>/g) compared to the sample prepared via alkaline intermediate formation (278 m<sup>2</sup>/g), likely due to the more complex synthesis mechanism of the latter. IR spectroscopy confirmed the presence of characteristic –C–H and –C–C-bond vibrations, indicating successful surface methylation. These findings, supported by porometry data, demonstrate partial hydrophobization of the silica surface and enhanced affinity for nonpolar organic compounds. The results suggest potential applications in developing membrane filters for organic compound separation.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1927 - 1934"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698522","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
Dielectric Properties of Thiourea Embedded in a Nanoporous Barium Titanate Matrix 纳米多孔钛酸钡基质中嵌入硫脲的介电性能
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325701874
A. Yu. Milinsky, S. V. Baryshnikov, E. V. Stukova
{"title":"Dielectric Properties of Thiourea Embedded in a Nanoporous Barium Titanate Matrix","authors":"A. Yu. Milinsky,&nbsp;S. V. Baryshnikov,&nbsp;E. V. Stukova","doi":"10.1134/S2075113325701874","DOIUrl":"10.1134/S2075113325701874","url":null,"abstract":"<p>In this work, the effect of a polar nanoporous matrix of barium titanate on the phase transition temperatures of embedded thiourea was investigated. An increase in the ferroelectric-paraelectric transition temperature of embedded SC(NH<sub>2</sub>)<sub>2</sub> has been detected. This is explained by the fact that due to the higher coefficient of thermal expansion for thiourea compared to barium titanate, when the temperature drops from room temperature (not stressed) to 178 K (stressed), the compression of thiourea crystals occurs faster than barium titanate.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1687 - 1691"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698524","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
Cryochemical Synthesis of Magnetic Nanoparticles 磁性纳米颗粒的低温化学合成
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325702004
A. S. Shumilkin, O. I. Vernaya, A. S. Kravchenko, A. V. Shabatin, T. I. Shabatina
{"title":"Cryochemical Synthesis of Magnetic Nanoparticles","authors":"A. S. Shumilkin,&nbsp;O. I. Vernaya,&nbsp;A. S. Kravchenko,&nbsp;A. V. Shabatin,&nbsp;T. I. Shabatina","doi":"10.1134/S2075113325702004","DOIUrl":"10.1134/S2075113325702004","url":null,"abstract":"<p>Magnetic nanoparticles of maghemite (γ-Fe<sub>2</sub>O<sub>3</sub>), cobalt (CoFe<sub>2</sub>O<sub>4</sub>), and zinc ferrites (ZnFe<sub>2</sub>O<sub>4</sub>) with varied size and morphology were synthesized by means cryochemical technologies. The synthesis route involved cryogenic spray drying of organic metal salts followed by their subsequent thermal decomposition. The use of iron(II) gluconate and iron(III) ammonium citrate as precursors results in the formation of micron-sized maghemite macroporous particles and 50–150 nm nanoparticles aggregated into micron-sized plate-shaped structures, respectively. Both maghemite samples exhibited an admixture of goethite. If solutions of iron acetylacetonate with zinc or cobalt acetate are used as precursors, then ZnFe<sub>2</sub>O<sub>4</sub> nanoparticles with average size 10 nm and CoFe<sub>2</sub>O<sub>4</sub> nanoparticles with average size 15 nm are formed.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1770 - 1778"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698781","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 Texture Change Due to Bending of Aluminum Alloy Sheets 铝合金板材弯曲后织构变化的研究
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325701758
D. N. Klepov, E. V. Aryshensky, Ya. A. Erisov, S. V. Konovalov, D. Yu. Rasposienko
{"title":"Study of Texture Change Due to Bending of Aluminum Alloy Sheets","authors":"D. N. Klepov,&nbsp;E. V. Aryshensky,&nbsp;Ya. A. Erisov,&nbsp;S. V. Konovalov,&nbsp;D. Yu. Rasposienko","doi":"10.1134/S2075113325701758","DOIUrl":"10.1134/S2075113325701758","url":null,"abstract":"<p>Evolution of textural compositions in aluminum alloys during bending is studied. The change in crystallographic texture in billets and samples after bending of two materials is analyzed using X-ray diffraction. It is shown that bending leads to the formation of an anisotropic texture with a dominance of shear-type components. Particular attention is paid to the role of recrystallization nuclei in the reorientation of the grain structure. The relationship between texture evolution and mechanical properties of materials is also analyzed. It is experimentally established that the ductile A5 alloy is characterized by an ordered transformation of texture during bending. In contrast, in the high-strength 1565ch alloy, bending leads to texture blurring with an increase in the textureless fraction, which is due to the heterogeneity of deformation. The results of the study are of practical importance for predicting the mechanical properties of aluminum alloys after bending and optimizing the technological parameters of processing.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1607 - 1612"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698476","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
Kinetics of Lüders Bands in Al–Mg Alloy with Structural Heterogeneity 结构不均匀Al-Mg合金中l<s:1> ders带动力学
IF 0.3
Inorganic Materials: Applied Research Pub Date : 2025-12-08 DOI: 10.1134/S2075113325702193
D. V. Orlova, V. V. Gorbatenko, G. V. Schlyakhova
{"title":"Kinetics of Lüders Bands in Al–Mg Alloy with Structural Heterogeneity","authors":"D. V. Orlova,&nbsp;V. V. Gorbatenko,&nbsp;G. V. Schlyakhova","doi":"10.1134/S2075113325702193","DOIUrl":"10.1134/S2075113325702193","url":null,"abstract":"<p>The paper deals with Lüders deformation in an aluminum-magnesium alloy with structural heterogeneity in the form of a friction stir weld. It is found that a complex structural state due to the weld seam causes two zones in the specimen: the base metal where Lüders deformation occurs and the stir zone where deformation does not localize. Thermomechanically affected zones with increased microhardness compared to the base metal and stir zone are sources of Lüders deformation fronts. Depending on the strain rate, deformation fronts can move intermittently or continuously. The kinetics of fronts is determined by the response of active deformable media to external mechanical action and can be described within the autowave concept of plastic deformation similarly to homogeneous materials.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 6","pages":"1907 - 1912"},"PeriodicalIF":0.3,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698676","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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