Glass Physics and Chemistry最新文献

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Formation and Thermal Stability of the Complex Aluminate Dy2SrAl2O7 络合铝酸盐Dy2SrAl2O7的形成及热稳定性
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659625600061
V. F. Popova, V. L. Ugolkov, E. A. Tugova
{"title":"Formation and Thermal Stability of the Complex Aluminate Dy2SrAl2O7","authors":"V. F. Popova,&nbsp;V. L. Ugolkov,&nbsp;E. A. Tugova","doi":"10.1134/S1087659625600061","DOIUrl":"10.1134/S1087659625600061","url":null,"abstract":"<p>The formation conditions and processes of the complex aluminate Dy<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> are studied. It is established that solid-state synthesis of Dy<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> proceeds through the formation of strontium aluminate SrAl<sub>2</sub>O<sub>4</sub>. At temperatures above 1200°C, active interaction begins between the intermediate compound SrAl<sub>2</sub>O<sub>4</sub> and Dy<sub>2</sub>O<sub>3</sub>, associated with the transition of the two-dimensional nonautonomous phase SrAl<sub>2</sub>O<sub>4</sub> into a liquid-like state. The thermal stability of Dy<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> up to the temperature of incongruent melting at 1750°С is characterized for the first time. The coefficient of thermal expansion (CTE) of Dy<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> is experimentally determined to be 8 × 10<sup>–6</sup> K<sup>–1</sup> in the temperature range of 400–1300°С. It is shown that active sintering of Dy<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> begins at 1300°С. A change in the type of melting diagrams is shown in the <i>Ln</i><sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> series, where <i>Ln</i> = La → Gd → Dy, Ho. A decrease in both melting temperatures and CTE values is revealed across the <i>Ln</i><sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> series (<i>Ln</i> = La → Ho).</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"337 - 343"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122335","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}
引用次数: 0
Luminescent Properties of Composites Based on Silicate Porous Glasses Activated with Bismuth and Silver 铋和银活化硅酸盐多孔玻璃复合材料的发光性能
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659625600279
M. A. Girsova, I. N. Anfimova, L. N. Kurilenko, T. V. Antropova
{"title":"Luminescent Properties of Composites Based on Silicate Porous Glasses Activated with Bismuth and Silver","authors":"M. A. Girsova,&nbsp;I. N. Anfimova,&nbsp;L. N. Kurilenko,&nbsp;T. V. Antropova","doi":"10.1134/S1087659625600279","DOIUrl":"10.1134/S1087659625600279","url":null,"abstract":"<p>Bismuth-containing composite materials (CMs) with variable silver content are synthesized by impregnating porous silicate glass matrices in acidified aqueous-salt solutions of Bi(NO<sub>3</sub>)<sub>3</sub>·5H<sub>2</sub>O in the presence of AgNO<sub>3</sub> with their subsequent heat treatment at 650 or 870°C and their luminescent properties are studied. The synthesized materials exhibit photoluminescence in a wide spectral range (220–900 nm) due to the presence of various active centers (Bi<sup>3+</sup>, Bi<sup>2+</sup>, Bi<sup>+</sup> ions, bismuth dimers, bismuth active centers (BACs) associated with silicon, Ag<sup>+</sup> ions, silver nanoclusters, silicon oxygen-deficient centers, =Si<sup>0</sup> centers).</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"243 - 254"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122370","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}
引用次数: 0
Structure and Microwave Properties of Thick-Film Composite Materials BaSrTiO3/NiFe2O4 厚膜复合材料BaSrTiO3/NiFe2O4的结构与微波性能
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659624601321
A. Tumarkin, N. Tyurnina, Z. Tyurnina, O. Sinelshchikova, D. Tsygankova, A. Drozdovskii, A. Karamov, A. Bogdan
{"title":"Structure and Microwave Properties of Thick-Film Composite Materials BaSrTiO3/NiFe2O4","authors":"A. Tumarkin,&nbsp;N. Tyurnina,&nbsp;Z. Tyurnina,&nbsp;O. Sinelshchikova,&nbsp;D. Tsygankova,&nbsp;A. Drozdovskii,&nbsp;A. Karamov,&nbsp;A. Bogdan","doi":"10.1134/S1087659624601321","DOIUrl":"10.1134/S1087659624601321","url":null,"abstract":"<p>Multiferroic composites consisting of barium–strontium titanate and nickel ferrite have been successfully synthesized by low-temperature sintering in the form of thick films on a dielectric substrate. The crystal structure and composition of the composites were studied by X-ray diffraction and electron microscopy. The electrical and magnetic characteristics of the obtained composites were studied at microwaves. The studied samples demonstrate a dielectric permittivity from 80 to 160 and dielectric losses from 0.05 to 0.1 at a frequency of 1 GHz, as well as the ability to control the magnetization of the composite within 30% by changing the magnetization field in the range 0–2000 Oe. This is the first successful attempt to synthesize a ferroelectric/ferrite composite with both low microwave losses and magnetization controllability.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"283 - 292"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122339","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}
引用次数: 0
Synthesis and Physical-Chemical Study of Nanopowders and Ceramics in the Gd2O3–La2O3–SrO–Ni(Co)O3 – δ System for Cathode Fuel Cell Materials 阴极燃料电池材料Gd2O3-La2O3-SrO-Ni (Co)O3 - δ体系纳米粉体及陶瓷的合成与物理化学研究
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659625600176
M. V. Kalinina, I. G. Polyakova, S. V. Myakin, A. S. Kovalenko, I. A. Drozdova, O. A. Shilova
{"title":"Synthesis and Physical-Chemical Study of Nanopowders and Ceramics in the Gd2O3–La2O3–SrO–Ni(Co)O3 – δ System for Cathode Fuel Cell Materials","authors":"M. V. Kalinina,&nbsp;I. G. Polyakova,&nbsp;S. V. Myakin,&nbsp;A. S. Kovalenko,&nbsp;I. A. Drozdova,&nbsp;O. A. Shilova","doi":"10.1134/S1087659625600176","DOIUrl":"10.1134/S1087659625600176","url":null,"abstract":"<p>Highly dispersed mesoporous powders of the composition Gd<sub>1 – <i>x</i></sub>Sr<sub><i>x</i></sub>Co<sub>0.5</sub>O<sub>3 – δ</sub> (<i>x</i> = 0.1, 0.15, 0.2, 0.25), Gd<sub>0.4</sub>Sr<sub>0.1</sub>Ni<sub>0.5</sub>O<sub>3 – δ</sub>, and Gd<sub>0.125</sub>La<sub>0.125</sub>Sr<sub>0.25</sub>Co<sub>0.5</sub>O<sub>3 – δ</sub> are synthesized using the method of the cocrystallization of nitrate salts. Ceramic nanomaterials of the given composition with a CSR of ~49–62 nm (1200°С), open porosity of 17–42%, and apparent density of 5–7 g/cm<sup>3</sup> are obtained based on them. Nanopowders and ceramics in the range of 600–1200°C have a tetragonal and orthorhombic structure of the perovskite type in the Gd<sub>2</sub>O<sub>3</sub>‒SrO‒Co<sub>2</sub>O<sub>3 – δ</sub> system. It is established that in order to obtain the optimal characteristics of density and porous structure of ceramics, combined additives of polyvinyl alcohol (PVA) are required in combination with aluminum hydroxide Al(OH)<sub>3</sub>, acting as a pore-forming and sintering additive. The solid solutions have mixed electron-ionic conductivity with transport numbers <i>t</i><sub>e</sub> = 0.92–0.99 and <i>t</i><sub>i</sub> = 0.08–0.01. Due to their physical, chemical, and electrophysical properties associated with the structural features of solid solutions, ceramic materials obtained based on them are promising for use as solid oxide cathodes for medium-temperature fuel cells.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"325 - 336"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122368","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}
引用次数: 0
Technical and Economic Analysis on Properties of Waste Glass Sand Concrete Based on the Principle of Value Engineering 基于价值工程原理的废玻璃砂混凝土性能技术经济分析
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659624601047
Zhao Yi, Meng Bin, Yin Xiaosan, Bao Yijie
{"title":"Technical and Economic Analysis on Properties of Waste Glass Sand Concrete Based on the Principle of Value Engineering","authors":"Zhao Yi,&nbsp;Meng Bin,&nbsp;Yin Xiaosan,&nbsp;Bao Yijie","doi":"10.1134/S1087659624601047","DOIUrl":"10.1134/S1087659624601047","url":null,"abstract":"<p>The increasing depletion of natural sand resources and the urgent need for sustainable construction materials underscore the significance of this study, which investigates the incorporation of waste glass sand (WGS) into concrete as an eco-friendly and cost-effective alternative. The challenge lies in achieving a balance between the structural performance of concrete and the economic and environmental advantages of utilizing recycled materials. To address this issue, river sand was partially replaced with WGS at varying proportions (0–60 wt %), and the resulting waste glass sand concrete (WGSC) was assessed for workability (slump), mechanical properties (compressive strength and elastic modulus), and economic viability (functional, cost, and value coefficients). The findings indicated that higher WGS replacement rates enhanced flowability while maintaining a stable elastic modulus. Compressive strength, measured in both cubic and prismatic forms, initially increased before declining at higher replacement levels. The functional coefficient increased initially but then decreased, whereas the cost coefficient consistently decreased. The value coefficient displayed a nonlinear trend, initially increasing, then decreasing, and subsequently rising again. A linear regression model revealed a strong correlation between the value coefficient and the WGS replacement rate. Importantly, WGS not only reduced material costs but also mitigated functional deficiencies, demonstrating its potential as a sustainable partial substitute for river sand in concrete.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"255 - 265"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122369","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}
引用次数: 0
Leaching Kinetics of Nickel Oxide-Doped Sodium Borosilicate Glass 氧化镍掺杂硼硅酸钠玻璃的浸出动力学
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659625600280
M. Yu. Konon, F. K. Klyushev, D. P. Danilovich, E. A. Semenova, L. F. Dikaya
{"title":"Leaching Kinetics of Nickel Oxide-Doped Sodium Borosilicate Glass","authors":"M. Yu. Konon,&nbsp;F. K. Klyushev,&nbsp;D. P. Danilovich,&nbsp;E. A. Semenova,&nbsp;L. F. Dikaya","doi":"10.1134/S1087659625600280","DOIUrl":"10.1134/S1087659625600280","url":null,"abstract":"<p>Glass of the composition (mol %, as synthesized) 6Na<sub>2</sub>O·18B<sub>2</sub>O<sub>3</sub>·70SiO<sub>2</sub>·6Ni<sub>2</sub>O<sub>3</sub>, heat-treated at 550°C for 96 h is studied using scanning electron microscopy, and its chemical stability to an aqueous 3 M HCl solution is also studied. It is established that this glass has an interconnected phase-separated structure. The general nature of its leaching process is controlled by diffusion. Compared to iron-containing glass of a similar composition, the extraction rate of Na<sub>2</sub>O and B<sub>2</sub>O<sub>3</sub> is reduced by a factor of 2. Nickel oxide is predominantly found in the chemically unstable glass phase, most of it passing into the leaching solution. The suitability of nickel-containing phase-separated glass for producing porous glass with through porosity (~30%) is demonstrated.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"279 - 282"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122338","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}
引用次数: 0
Preparation of Porous Silica from Rice Husk Char via Acid Treatment and Calcination, and Its Adsorption Properties for Methylene Blue 稻壳炭经酸处理和煅烧制备多孔二氧化硅及其对亚甲基蓝的吸附性能
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659625600243
Junyu He,  Teruhisa Hongo
{"title":"Preparation of Porous Silica from Rice Husk Char via Acid Treatment and Calcination, and Its Adsorption Properties for Methylene Blue","authors":"Junyu He,&nbsp; Teruhisa Hongo","doi":"10.1134/S1087659625600243","DOIUrl":"10.1134/S1087659625600243","url":null,"abstract":"<p>Development of value-added utilization method for rice husk char (RHC) generated from rice husk gasification power plants is desirable. Amorphous porous silica was obtained by simple calcination of RHC; however, acid treatment prior to calcination improved its purity and increased its specific surface area. In the adsorption of Methylene Blue (MB) by the prepared porous silica, acid treatment enhanced its adsorption capacity and suppressed the increase in the pH of the MB solution. According to the Langmuir adsorption isotherm, the maximum adsorption capacity of the porous silica obtained by calcining acid-treated RHC at 500°C was 26.81 mg/g, which was 3.5 times higher than that of the porous silica obtained by calcining RHC at 500°C without acid treatment.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"293 - 300"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122352","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}
引用次数: 0
Application of Neutron-Absorbing Composites Based on Thermoplastic Elastomer and Boron Nitride in 3D Printing 热塑性弹性体-氮化硼中子吸收复合材料在3D打印中的应用
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659625600231
M. V. Timoshenko, M. M. Sychev, S. V. Dyachenko, V. V. Tarnavich, Yu. O. Chetverikov, M. M. Murashev
{"title":"Application of Neutron-Absorbing Composites Based on Thermoplastic Elastomer and Boron Nitride in 3D Printing","authors":"M. V. Timoshenko,&nbsp;M. M. Sychev,&nbsp;S. V. Dyachenko,&nbsp;V. V. Tarnavich,&nbsp;Yu. O. Chetverikov,&nbsp;M. M. Murashev","doi":"10.1134/S1087659625600231","DOIUrl":"10.1134/S1087659625600231","url":null,"abstract":"<p>A new composite material based on thermoplastic elastomer is developed for the 3D printing of neutron-absorbing products. It is shown that the use of thermoplastic elastomer in the development of material for the 3D printing of products allows for the required neutron absorption properties to be achieved, significantly increasing the technological effectiveness of the composition and preserving its applicability in additive technologies. The concentration of boron nitride in the composite, which allows achieving the effect of absorption of neutron radiation by the material of 2.4 Å/1.2 Å (3/1) to a penetration depth of 1.4 mm, while maintaining its physical and mechanical properties, was 25%. The physical and mechanical characteristics of the developed material are not inferior to unfilled plastics: tensile strength σ<sub>max</sub> = 8.1 MPa and tear resistance <i>T</i><sub>s</sub> = 76 N/m.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"301 - 312"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122371","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}
引用次数: 0
Thermal Expansion of REE3BSi2O10 (REE = Nd, Eu, Gd) Borosilicates REE3BSi2O10 (REE = Nd, Eu, Gd)硼硅酸盐的热膨胀
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659624601278
Yu. O. Kopylova, M. G. Krzhizhanovskaya, V. A. Yukhno, R. S. Bubnova
{"title":"Thermal Expansion of REE3BSi2O10 (REE = Nd, Eu, Gd) Borosilicates","authors":"Yu. O. Kopylova,&nbsp;M. G. Krzhizhanovskaya,&nbsp;V. A. Yukhno,&nbsp;R. S. Bubnova","doi":"10.1134/S1087659624601278","DOIUrl":"10.1134/S1087659624601278","url":null,"abstract":"<p>Three borosilicates with the general formula of <i>REE</i><sub>3</sub>BSi<sub>2</sub>O<sub>10</sub> (<i>REE</i> = Nd, Eu, Gd) were obtained by the high-temperature solid-state synthesis and studied by powder high-temperature X-ray diffraction (HTXRD) in the temperature range from 30 up to 1050°C. The HTXRD study showed that these borosilicates (orthorhombic, <i>Pbca</i> space group) have similar, nearly isotropic thermal expansion in the whole temperature range; the average coefficients of thermal expansion (CTE) were: 〈α<sub><i>a</i></sub>〉 = 9.6, 〈α<sub><i>b</i></sub>〉 = 8.3 and 〈α<sub><i>c</i></sub>〉 = 8.7 × 10<sup>–6</sup>°С<sup>–1</sup>, with (α<sub>max</sub> – α<sub>min</sub>) ≤ 1.2 × 10<sup>–6</sup>°С<sup>–1</sup>. The average volume CTE insignificantly decreases with increasing the cation size from 27.2 for Eu and 27.0 for Gd down to 25.8 × 10<sup>–6</sup>°С<sup>–1</sup> for Nd compound while the unit cell volume increases with increasing the <i>REE</i> cation radii in the <i>REE</i><sub>3</sub>BSi<sub>2</sub>O<sub>10</sub> series.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"344 - 349"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122336","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}
引用次数: 0
Study on Improving the Interface between Recycled Glass Fiber and Cementitious Material by Combined Treatment of Various Silane Coupling Agents 多种硅烷偶联剂联合处理改善再生玻璃纤维与胶凝材料界面的研究
IF 0.6 4区 材料科学
Glass Physics and Chemistry Pub Date : 2025-09-23 DOI: 10.1134/S1087659624600674
Qin Xin, Zehan Li, Shixiong Lu, Ruyu Gao, Houde Zhang
{"title":"Study on Improving the Interface between Recycled Glass Fiber and Cementitious Material by Combined Treatment of Various Silane Coupling Agents","authors":"Qin Xin,&nbsp;Zehan Li,&nbsp;Shixiong Lu,&nbsp;Ruyu Gao,&nbsp;Houde Zhang","doi":"10.1134/S1087659624600674","DOIUrl":"10.1134/S1087659624600674","url":null,"abstract":"<p>Amidst the relentless surge in demand for fiberglass products in recent years, a concomitant rise in product remnants and obsolete fiberglass materials has presented a pressing challenge of resource wastage. To address this dilemma and scrutinize the resource utilization potential of recycled fiberglass, the present study explores the utilization of waste fiberglass materials. Through physical comminution, two distinct forms of recycled fiberglass, namely powder and fibers, were isolated and characterized. The study further investigated the impact of varying dosages of these recycled fiberglass components on the fluidity and resilience of mortar, establishing five distinct dosage tiers. To enhance the compatibility and performance of the recycled glass fibers, four silane coupling agents (KH550/560, KH550/570, KH560/570, KH792/560, KH792/570) were employed for surface modification. At the optimal dosage, a comprehensive analysis was conducted to evaluate the effects of different coupling agents on the mechanical properties of recycled glass fiber-reinforced cementitious materials. The findings revealed that the addition of fiberglass powder significantly enhances the fluidity of the mortar, whereas an increase in fiber content adversely affects its flowability. Notably, the direct incorporation of unmodified recycled glass fibers did not yield significant improvements in the flexural and compressive strengths of the specimens. In light of the substantial variations observed in the flexural and compressive strengths, a maximum addition of 2% recycled glass fibers in reinforced cement mortar products is proposed. The enhanced material performance, particularly with the addition of KH550/570 silane coupling agent, validates the efficacy of incorporating modified recycled glass fibers. This study not only sheds light on the potential utilization of waste fiberglass materials in high-value applications but also paves the way for future research in the area of sustainable resource utilization and waste management.</p>","PeriodicalId":580,"journal":{"name":"Glass Physics and Chemistry","volume":"51 3","pages":"266 - 278"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145122337","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}
引用次数: 0
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