Journal of Non-crystalline Solids最新文献

Crystallization of CoWB ternary boride in nickel-based metallic glass 镍基金属玻璃中cob三元硼化物的结晶

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-30 DOI: 10.1016/j.jnoncrysol.2024.123343

Ziya Ozgur Yazici , Aytekin Hitit , Hakan Sahin

{"title":"Crystallization of CoWB ternary boride in nickel-based metallic glass","authors":"Ziya Ozgur Yazici , Aytekin Hitit , Hakan Sahin","doi":"10.1016/j.jnoncrysol.2024.123343","DOIUrl":"10.1016/j.jnoncrysol.2024.123343","url":null,"abstract":"<div><div>The crystallization kinetics of CoWB ternary boride were investigated through non-isothermal differential scanning calorimetry experiments, using a Ni-based metallic glass precursor as the starting material. The effects of isothermal heat treatment temperature on the phase evolutions were also systematically studied. The results showed that the melt crystallization and glass crystallization behaviors of the alloy differ from each other. The continuous heating transformation diagram plotted from non-isothermal analyses is consistent with the results of isothermal heat treatments. A broad ternary boride precipitation zone was demonstrated, involving the gradual precipitation of CoWB crystals. Avrami exponent values for the early crystallization stage showed that the crystallization mechanism of CoWB is governed by the interface-controlled three-dimensional growth mechanism, and nucleation rate is high. As the crystallization progresses, a diffusion-controlled growth occurs and the nucleation rate decreases. This study offers insights into the heat treatment of CoWB-reinforced nickel matrix nanocomposites, benefiting future research and industrial production processes.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"650 ","pages":"Article 123343"},"PeriodicalIF":3.2,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Formation and annihilation of point defects in SiO2 glass during neutron irradiation and annealing 中子辐照和退火过程中SiO2玻璃点缺陷的形成和湮灭

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-30 DOI: 10.1016/j.jnoncrysol.2024.123342

Yu-Wei You , Yuqing Wei , Jinwei Xuan , Qi Zhu , Xinhua Li , Kui Hou , D. Yao , Li Wang , Dongdong Li

{"title":"Formation and annihilation of point defects in SiO2 glass during neutron irradiation and annealing","authors":"Yu-Wei You , Yuqing Wei , Jinwei Xuan , Qi Zhu , Xinhua Li , Kui Hou , D. Yao , Li Wang , Dongdong Li","doi":"10.1016/j.jnoncrysol.2024.123342","DOIUrl":"10.1016/j.jnoncrysol.2024.123342","url":null,"abstract":"<div><div>We perform systematic molecular dynamics (MD) simulations to explore the evolution of point defects in SiO<sub>2</sub> glass during neutron irradiation and annealing. Our results suggest that the numbers of point-defects nonbridging oxygens (NBO) and E′-type center increase significantly within 0.2 ps, and then decrease gradually over 0.2 ps. The numbers of point-defects oxygen deficient centers (ODC), peroxy linkages (POL) and peroxy radicals (POR) present gradual increase tendency within 0.2 ps. The number of these point defects is in direct proportion to the kinetic energies of the primary knock-on atoms. During annealing, we consider the situations that SiO<sub>2</sub> glass is irradiated by neutron at 1000 K, 1500 K and 2000 K. It is found that point defects disappear quickly during annealing and it qualitatively agrees with the literature results, where E’, ODC and NBOs in irradiated silica glasses are bleached when annealing at temperatures exceeding 550 °C. Finally, we consider the vibrational density of states of SiO<sub>2</sub>, and find that the low-frequency (0.1∼0.5 THz) vibrational density of states is greatly enhanced.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"650 ","pages":"Article 123342"},"PeriodicalIF":3.2,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Tantalum-lanthanum mixing effect on structural and mechanical properties of aluminate glasses 钽镧混合对铝酸盐玻璃结构和力学性能的影响

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-30 DOI: 10.1016/j.jnoncrysol.2024.123340

Zijuan Du , Zhitao Shan , Ang Qiao , Haizheng Tao , Yuanzheng Yue

{"title":"Tantalum-lanthanum mixing effect on structural and mechanical properties of aluminate glasses","authors":"Zijuan Du , Zhitao Shan , Ang Qiao , Haizheng Tao , Yuanzheng Yue","doi":"10.1016/j.jnoncrysol.2024.123340","DOIUrl":"10.1016/j.jnoncrysol.2024.123340","url":null,"abstract":"<div><div>Aluminate glasses are known for their superior mechanical and optical properties. Here, we investigated the tantalum (Ta)-lanthanum (La) mixing effect on structural and mechanical properties of these glasses. Using the aerodynamic levitation and laser melting technique, we prepared a series of aluminate glasses with the molar composition 54Al<sub>2</sub>O<sub>3</sub>·(46-x)La<sub>2</sub>O<sub>3</sub>·xTa<sub>2</sub>O<sub>5</sub>, where <em>x</em> = 0.0, 9.2, 18.4, 23.0, 32.2, 36.8, and 46.0. The structural, thermal, and mechanical analyses revealed that substituting Ta for La strongly impacted the local Al environment in the glasses, thereby affecting their glass transition temperature and mechanical properties. The Vickers microhardness (<em>H</em><sub>V</sub>) varied non-monotonically with the molar ratio <em>R</em> (defined as Ta/(Ta+La) = <em>x</em>/46), reaching a maximum <em>H</em><sub>V</sub> value of 8.59 GPa at <em>R</em> = 0.8. This trend was explained in terms of both the average bond energy and the bond number density. Moreover, the crack initiation resistance of the studied glasses increased as <em>R</em> rose. This work aids in the design of oxide glasses with high crack resistance and hardness.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"650 ","pages":"Article 123340"},"PeriodicalIF":3.2,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Kinetics of thermal and photoinduced diffusion of Ag into thin layers of chalcogenide glasses 银在硫系玻璃薄层中的热光诱导扩散动力学

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-29 DOI: 10.1016/j.jnoncrysol.2024.123333

Ivan Indutnyi, Sergii Mamykin, Viktor Mynko, Mykola Sopinskyy, Volodymyr Romanyuk, Andrii Korchovyi

{"title":"Kinetics of thermal and photoinduced diffusion of Ag into thin layers of chalcogenide glasses","authors":"Ivan Indutnyi, Sergii Mamykin, Viktor Mynko, Mykola Sopinskyy, Volodymyr Romanyuk, Andrii Korchovyi","doi":"10.1016/j.jnoncrysol.2024.123333","DOIUrl":"10.1016/j.jnoncrysol.2024.123333","url":null,"abstract":"<div><div>This study examines the kinetics of thermal diffusion of silver in Ag-GeSe<sub>2</sub> and Ag- As<sub>10</sub>Ge<sub>30</sub>S<sub>60</sub> thin film structures during prolonged storage in the dark at room temperature, as well as the effects of plasmon-enhanced photostimulated diffusion of silver into As<sub>10</sub>Ge<sub>30</sub>S<sub>60</sub> films. Ag diffraction gratings with a period of 519 nm were used to excite surface plasmon-polaritons (SPP) at the silver-chalcogenide glass interface. It was found that the thermal diffusion coefficient of silver into GeSe<sub>2</sub> is significantly higher than into As<sub>10</sub>Ge<sub>30</sub>S<sub>60</sub>. For Ag– As<sub>10</sub>Ge<sub>30</sub>S<sub>60</sub>, photostimulated silver diffusion coefficients were measured with and without SPP excitation. SPP excitation triples the photostimulated Ag flux into As<sub>10</sub>Ge<sub>30</sub>S<sub>60</sub>. Although photosensitivity decreases over time, the plasmon-stimulated increase in Ag flux remains stable. Additionally, As<sub>10</sub>Ge<sub>30</sub>S<sub>60</sub> thermally doped with silver shows much higher optical absorption at the probing wavelength compared to the photodoped layer with the same silver concentration. Possible mechanisms of these layers formation are discussed.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"649 ","pages":"Article 123333"},"PeriodicalIF":3.2,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Corrigendum to “The eminence of copper ions on optical, electrical properties and morphology of B2O3-Bi2O3-Al2O3-MgO glasses” [Journal of Non-Crystalline Solids, 564 (2021) 120884] “铜离子对B2O3-Bi2O3-Al2O3-MgO玻璃的光学、电学性能和形貌的影响”的更正[j] .非结晶固体学报，564(2021)120884。

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-28 DOI: 10.1016/j.jnoncrysol.2024.123331

G. Krishn Priya , S. Yusub , A. Ramesh Babu , N. Sree Ram , K. Rama Krishna , V. Aruna

引用次数: 0

Thermodynamic and kinetic investigation on crystallization of photosensitive glass-ceramics via molecular dynamics 光敏微晶玻璃结晶的分子动力学和热力学研究

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-28 DOI: 10.1016/j.jnoncrysol.2024.123332

Weirong Huo , Guoqing Wang , Tianlai Yu , Bin Hu , Gang Ye , Bin Lin

{"title":"Thermodynamic and kinetic investigation on crystallization of photosensitive glass-ceramics via molecular dynamics","authors":"Weirong Huo , Guoqing Wang , Tianlai Yu , Bin Hu , Gang Ye , Bin Lin","doi":"10.1016/j.jnoncrysol.2024.123332","DOIUrl":"10.1016/j.jnoncrysol.2024.123332","url":null,"abstract":"<div><div>Photosensitive glass-ceramics serves as a crucial support for advancement of integrated circuits in post Moore era. Nevertheless, current research lacks an in-depth discussion of crystallization and nucleation mechanisms induced by nucleating agents. Here, we select new AgSbO<sub>3</sub> nucleating agents and conduct a detailed thermodynamic and kinetic investigation of its promoting effects in Li<sub>2</sub>SiO<sub>3</sub> using first-principles molecular dynamics. Statistical results from pair distribution functions indicate that in the presence of AgSbO<sub>3</sub> nucleating agents in Li<sub>2</sub>SiO<sub>3</sub>, the structure tends to exhibit a more crystalline distribution. The diffusion coefficient of Li ions in AgSbO<sub>3</sub>–Li<sub>2</sub>SiO<sub>3</sub> is 0.47 × 10<sup>–6</sup> cm<sup>2</sup>/s, which is one-tenth of the value of Li ions in amorphous Li<sub>2</sub>SiO<sub>3</sub>. Additionally, a molecular dynamics approach was employed to screen and analyze motion trajectories of 16 lithium ions. All of these data suggest that AgSbO<sub>3</sub> nucleating agents can accelerate crystallization of Li<sub>2</sub>SiO<sub>3</sub>. This work provides an atomic-scale discussion of nucleating agents' effects in photosensitive glass-ceramics.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"649 ","pages":"Article 123332"},"PeriodicalIF":3.2,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

On the formation of metallic glass 关于金属玻璃的形成

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-28 DOI: 10.1016/j.jnoncrysol.2024.123329

Jian Guo Wang

引用次数: 0

Transmittance enhancement of amorphous SiO2 via ultraviolet irradiation to eliminate atomic defects 通过紫外线辐照消除原子缺陷，提高无定形二氧化硅的透射率

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-27 DOI: 10.1016/j.jnoncrysol.2024.123328

Yongnian Qi, Xiaoguang Guo, Zhuang Song, Wanxue Zhang, Xing Gao, Ping Zhou

引用次数: 0

Study of the magnetic and magnetocaloric properties of amorphous alloys formed by the ErxFe100−x series 由 ErxFe100-x 系列形成的非晶合金的磁性和磁致性研究

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-27 DOI: 10.1016/j.jnoncrysol.2024.123336

V.L.O. Freitas, P.P. Almeida Neto, S.S. Costa, B.P. Alho, P.O. Ribeiro, V.S.R. de Sousa, P.J. von Ranke, E.P. Nóbrega

{"title":"Study of the magnetic and magnetocaloric properties of amorphous alloys formed by the ErxFe100−x series","authors":"V.L.O. Freitas, P.P. Almeida Neto, S.S. Costa, B.P. Alho, P.O. Ribeiro, V.S.R. de Sousa, P.J. von Ranke, E.P. Nóbrega","doi":"10.1016/j.jnoncrysol.2024.123336","DOIUrl":"10.1016/j.jnoncrysol.2024.123336","url":null,"abstract":"<div><div>In this work, we investigate the magnetic and thermodynamic properties and the magnetocaloric effect of amorphous alloys formed from the series <span><math><mrow><msub><mrow><mi>Er</mi></mrow><mrow><mi>x</mi></mrow></msub><msub><mrow><mi>Fe</mi></mrow><mrow><mn>100</mn><mo>−</mo><mi>x</mi></mrow></msub></mrow></math></span>. To calculate the quantities on which the study is based, we use a Hamiltonian of interacting spins with two magnetic sublattices treated by the HPZ model, a modified Heisenberg Hamiltonian, in which each ionic spin is subject to a local anisotropy field of random orientation. The amorphous alloys studied present ferrimagnetic phase transitions, explained by the magnetic matrix composed of Er and Fe atoms. As a consequence, depending on the Fe doping, compensation temperatures, and inverse magnetocaloric effects are observed. Considerable values of refrigerant capacity in units of J kg<span><math><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></math></span> under the variation of 5 <span><math><mi>T</mi></math></span> of the applied magnetic field were found: 364, 380, 349, 291, and 237 for <span><math><mrow><mi>x</mi><mo>=</mo><mn>8</mn><mo>.</mo><mn>5</mn><mo>,</mo><mn>10</mn><mo>,</mo><mn>16</mn><mo>.</mo><mn>5</mn><mo>,</mo><mn>21</mn><mo>.</mo><mn>5</mn></mrow></math></span> and 28, respectively.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"649 ","pages":"Article 123336"},"PeriodicalIF":3.2,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142723999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Numerical simulation of temperature in forming surroundings for E-Glass fiber 电子玻璃纤维成型环境温度的数值模拟

IF 3.2 3区材料科学

Journal of Non-crystalline Solids Pub Date : 2024-11-27 DOI: 10.1016/j.jnoncrysol.2024.123339

Zushan Zhang , Xiangchun Ning , Shaobo Wang , Lipeng Tian , Tianyong Zheng

{"title":"Numerical simulation of temperature in forming surroundings for E-Glass fiber","authors":"Zushan Zhang , Xiangchun Ning , Shaobo Wang , Lipeng Tian , Tianyong Zheng","doi":"10.1016/j.jnoncrysol.2024.123339","DOIUrl":"10.1016/j.jnoncrysol.2024.123339","url":null,"abstract":"<div><div>In spinning, the temperature of the glass melt and the forming surroundings play a crucial role in determining the diameter of the electrical glass (E-glass) filament. It is essential to control or predict the temperature of the forming surroundings. In this study, a simplified cooling model of the fin for G75 E-glass fiber was constructed and simulated to explore the influence of ambient temperature on the forming process of E-glass fiber. The multi-physical field coupling of solid-fluid conjugate heat transferring and surface-to-surface radiation imitates the cooling model. The temperature of the bottom of the bushing plate was measured with an infrared thermal imaging instrument, and the ambient temperature of the area of filament root forming was measured with a thermocouple. Considering the device is fixed, the key experimental variable of the numerical simulation is the distance from the top of the cooling fin to the bottom surface of the bushing plate. The simulated results are compared with the actual measurements, proving that it is feasible for the simplified cooling model to simulate the forming of E-glass fiber. The results of numerical simulations also show that (1) the temperature of the glass melt at the outlet of the nozzle is 1400 K and the ambient temperature of the filament root forming dropped by >500 K; (2) when the top of the cooling fin is 4 mm away from the bottom surface of the bushing plate, the fin has the best cooling effect on the E-glass fiber.</div></div>","PeriodicalId":16461,"journal":{"name":"Journal of Non-crystalline Solids","volume":"649 ","pages":"Article 123339"},"PeriodicalIF":3.2,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142723998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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