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Journal articles on the topic 'Glasses'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Machinin, A. M., A. Awang, C. F. Pien, and S. K. Ghoshal. "Tuning structural and wettability properties of glass using ellipsoidal TiO2 nanoparticles." Journal of Ovonic Research 18, no. 6 (2022): 731–38. http://dx.doi.org/10.15251/jor.2022.186.731.

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Self-cleaning glasses became demanding for various advanced applications due to their manifold advantages. In this view, some tellurite glasses containing TiO2 nanoparticles with varying concentrations were synthesized using the standard melt-quenching. These glasses were transparent with a reddish appearance. The HRTEM images of the glasses showed the presence of ellipsoidal TiO2 NPs with sizes ranging from 9−22 nm and 5−9 nm along the major and minor axis, respectively. The lattice fringe pattern of the selected TiO2 NPs confirmed their anatase structure with a lattice spacing of 0.36 nm. Th
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2

Lusvardi, Gigliola, Francesca Sgarbi Stabellini, and Roberta Salvatori. "P2O5-Free Cerium Containing Glasses: Bioactivity and Cytocompatibility Evaluation." Materials 12, no. 19 (2019): 3267. http://dx.doi.org/10.3390/ma12193267.

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(1) Background: valuation of the bioactivity and cytocompatibility of P2O5-free and CeO2 doped glasses. (2) Methods: all glasses are based on the Kokubo (K) composition and prepared by a melting method. Doped glassed, K1.2, K3.6 and K5.3 contain 1.2, 3.6, and 5.3 mol% of CeO2. Bioactivity and cytotoxicity tests were carried out in simulated body fluid (SBF) solution and murine osteocyte (MLO-Y4) cell lines, respectively. Leaching of ions concentration in SBF was determined by inductively coupled plasma mass spectrometry (ICP-MS) and optical emission spectrometry (ICP-OES). The surface of the g
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3

Wójcik, N. A., S. Ali, A. Mielewczyk-Gryń, and B. Jonson. "Two-step synthesis of niobium doped Na–Ca–(Mg)–P–Si–O glasses." Journal of Materials Science 56, no. 12 (2021): 7613–25. http://dx.doi.org/10.1007/s10853-021-05781-w.

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AbstractNiobium doped biosolubility glasses in the Na–Ca–(Mg)–P–Si–O system were prepared by using an untypical two-step synthesis route. The parent glass was melted in air atmosphere at 1350 °C followed by re-melting the glass in Nb crucible with the addition of metallic Mg/Ca powder in the nitrogen atmosphere. The second melting step was carried out at 1450–1650 °C, using an induction furnace. The topography and structure of the obtained glasses were characterized by confocal microscopy, X-ray powder diffraction and infrared spectroscopic techniques. The chemical compositions were examined b
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4

Lu, An Xian, S. J. Liu, X. D. Tang, and S. B. He. "Difference of Properties between Yb3+-Doped Silicate and Phosphate Laser Glasses." Advanced Materials Research 11-12 (February 2006): 213–16. http://dx.doi.org/10.4028/www.scientific.net/amr.11-12.213.

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The Yb3+-doped silicate and phosphate laser glasses were prepared by using of traditional melt quenching technology, and the physical and spectral properties were investigated. The results show that the stimulated emission cross section and the fluorescence lifetime are 0.67×10-20cm2 and 1200μs for the silicate glass, and 0.75×10-20cm2 and 1000μs for the phosphate glass respectively. And silicate glass’s mechanical and thermal properties were better than that of phosphate glass. But Yb3+-doped phosphate glass has lower nonlinear refraction index n2. Both Yb3+-doped silicate and phosphate glass
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Chen, Lu, and Ying Dai. "Effects of Iron Oxide on the Crystallization of Calcium Alumino-Silicate Glass." Key Engineering Materials 680 (February 2016): 293–96. http://dx.doi.org/10.4028/www.scientific.net/kem.680.293.

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Different amounts of iron oxide (Fe2O3) were added into a base calcium alumino-silicate glass (CaO 40, Al2O3 9, SiO2 51 wt%). The crystallization behavior of the glassed was investigated by DTA, XRD, SEM and optical microscopy. DTA analysis on the samples with and without the iron additions shows that the iron-containing glasses obviously absorb more heat energy than the base glass. All the glasses show two endothermal peaks correspondent to two transition temperatures, Tg1 and Tg2, indicating the existence of phase separation. Compared with the base glass, an initial addition of 5wt% Fe2O3 do
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6

Mehrer, Helmut. "Diffusion in Metallic Glasses and in Oxide Glasses - An Overview." Defect and Diffusion Forum 413 (December 17, 2021): 109–24. http://dx.doi.org/10.4028/www.scientific.net/ddf.413.109.

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We remind the reader to some common features of metallic and oxide glasses. We then introduce the radiotracer method for diffusion studies, which can be applied for both types of glasses. We provide an overview on diffusion in metallic glasses in which we consider both types of metallic glasses – conventional and bulk metallic glasses. In the last part we discuss diffusion and ionic conduction in oxide glasses. For ionic glasses, conductivity measurements are an important complement to tracer diffusion studies. We remind the reader to the method of impedance spectroscopy. We discuss results fo
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7

De Aza, P. N., A. H. De Aza, P. Pena, and S. De Aza. "Vidrios y Vitrocerámicos Bioactivos." Boletín de la Sociedad Española de Cerámica y Vidrio 46, no. 2 (2007): 45–55. http://dx.doi.org/10.3989/cyv.2007.v46.i2.249.

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8

Loehman, Ronald E. "Oxynitride Glasses." MRS Bulletin 12, no. 5 (1987): 26–31. http://dx.doi.org/10.1557/s0883769400067476.

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Research on oxynitride glasses has expanded considerably since the first systematic compositional investigations were begun some ten years ago. This review will briefly introduce that work with an emphasis on more recent developments. Also included is some discussion of the applications of oxynitride glasses in both bulk and thin film form. The literature review is selective, however, and the recently developed phosphorus oxynitride glasses are only briefly mentioned. For more detailed information on earlier work on silicon oxynitride glasses see the reviews by Jack and Loehman. For discussion
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9

Chen, Yao. "The Research of Personalized Glasses Custom Design System." Advanced Materials Research 591-593 (November 2012): 102–5. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.102.

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Abstract. There is a large population in our country. Owing to nearly 300 million people dress glasses, there is a huge market of glasses. China isn’t a glasses design great power although China is a glasses manufacture power. Domestic glasses design ability is not strong, and the product in the domestic market is homogeneity serious. In order to meet the diversified needs of the people, the personalized glasses custom design system has operated preliminarily. The personalized glasses custom design system lets designer to design a glasses in accordance with the customer’s desire through the co
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10

Coniglio, Antonio. "Spin glasses, glasses and granular materials." Philosophical Magazine B 77, no. 2 (1998): 213–19. http://dx.doi.org/10.1080/13642819808204946.

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11

Souletie, J., and D. Bertrand. "Glasses and spin glasses: a parallel." Journal de Physique I 1, no. 11 (1991): 1627–37. http://dx.doi.org/10.1051/jp1:1991230.

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12

Coniglio, A. "Frustrated percolation, spin glasses and glasses." Il Nuovo Cimento D 16, no. 8 (1994): 1027–37. http://dx.doi.org/10.1007/bf02458785.

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13

Proskurina, Olga V., Natalia A. Tarasova, Gajane A. Markosyan, Sona G. Arutyunyan, Sergey V. Milash та Elena P. Tarutta. "Аdaptation and quality of vision in glasses with lenses for the control of stellest myopia with built-in high-spherical microlenses". Russian Pediatric Ophthalmology 17, № 2 (2022): 5–12. http://dx.doi.org/10.17816/rpoj97296.

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AIM: Evaluate the visual adaptation and vision quality of glasses with Stellest lenses.
 MATERIAL AND METHODS: A total of 35 children aged 813 years (average: 10.50.27 years) with mild and moderate myopia (average: 3.150.19 dpt) in glasses with Stellest lenses and 30 children aged 813 years (average: 10.40.3 years) with mild and moderate myopia (average: 2.660.2 dpt) in monofocal glasses as the control group. Refraction and visual acuity (OS) were assessed after the appointment of glasses. Ergonomic tests were conducted 34 months after the children started wearing them. At 34 weeks after
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14

Moynihan, Cornelius T. "Halide Glasses." MRS Bulletin 12, no. 5 (1987): 40–44. http://dx.doi.org/10.1557/s0883769400067506.

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The term “halide glass” refers to glasses in which the anions are from elements in Group VIIA of the periodic table, namely, F, Cl, Br and I, as opposed, for example, to “oxide glasses,” such as silicates, borates, phosphates, etc. Two known single component halide melts are glassforming, BeF2 and ZnCl2, but the majority of halide glasses are multicomponent. Practical interest in halide glasses has been generated almost entirely by their optical properties, which cannot be duplicated in a more conventional oxide glass. Barriers to the practical deployment of halide glasses have their origin in
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15

Taylor, P. Craig. "Chalcogenide Glasses." MRS Bulletin 12, no. 5 (1987): 36–39. http://dx.doi.org/10.1557/s088376940006749x.

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Although there are some significant exceptions, most important glass-forming systems contain elements from the sixth, or chalcogenide, column of the periodic table (oxygen, sulfur, selenium, or tellurium). The glasses which contain oxygen are typically insulators, while those which contain the heavier chalcogen elements are usually semiconductors. Even though oxygen is technically a chalcogen element, the term “chalcogenide glass” is commonly used to denote those largely covalent, semiconducting glasses which contain sulfur, selenium, or tellurium as one of the constituents.The chalcogenide gl
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16

Cicconi, Maria Rita, John S. McCloy, and Daniel R. Neuville. "Non-Magmatic Glasses." Reviews in Mineralogy and Geochemistry 87, no. 1 (2022): 965–1014. http://dx.doi.org/10.2138/rmg.2022.87.21.

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OVERVIEW On Earth, natural glasses are typically produced by rapid cooling of melts, and as in the case of minerals and rocks, natural glasses can provide key information on the evolution of the Earth. However, natural glasses are products not solely terrestrial, and different formation mechanisms give rise to a variety of natural amorphous materials. In this chapter, we provide an overview of the different natural glasses of non-magmatic origin and on their formation mechanisms. We focus on natural glasses formed by mechanisms other than magmatic activity and included are metamorphic glasses
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17

Fleischmann, Alexandra, Joris Lammers, Janka I. Stoker, and Harry Garretsen. "You Can Leave Your Glasses on." Social Psychology 50, no. 1 (2019): 38–52. http://dx.doi.org/10.1027/1864-9335/a000359.

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Abstract. Does wearing glasses hurt or help politicians in elections? Although some research shows that glasses signal unattractiveness, glasses also increase perceptions of competence. In eight studies, participants voted for politicians wearing (photoshopped) glasses or not. Wearing glasses increased politicians’ electoral success in the US (Study 1), independent of their political orientation (Studies 2a and 2b). This positive effect was especially strong when intelligence was important (Study 3), and even occurred if glasses were used strategically (Study 4). However, it did not extend to
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18

Iqbal, Tariq, Mahmoud R. Shahriari, Glenn Merberg, and George H. Sigel. "Synthesis, characterization, and potential application of highly chemically durable glasses based on AlF3." Journal of Materials Research 6, no. 2 (1991): 401–6. http://dx.doi.org/10.1557/jmr.1991.0401.

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Fluorozirconate glasses are stable with respect to devitrification but have poor chemical durability and only fair mechanical strength. AlF3-based glasses with improved chemical durability and enhanced mechanical strength are reported here. The optical, mechanical, and thermal properties of these glasses are contrasted to the more familiar ZBLAN composition. The infrared edge of these glasses lies at shorter wavelengths than ZrF4-based glasses, but aluminum fluoride glasses offer some interesting opportunities for short-range IR fiber applications such as sensing, remote spectroscopy, and lase
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19

To, Theany, Christian Gamst, Martin B. Østergaard, Lars R. Jensen, and Morten M. Smedskjaer. "Fracture energy of high-Poisson's ratio oxide glasses." Journal of Applied Physics 131, no. 24 (2022): 245105. http://dx.doi.org/10.1063/5.0096855.

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The apparent relationship between Poisson's ratio and fracture energy has been used to guide the discovery of ductile glasses with a brittle-to-ductile (BTD) transition at Poisson's ratio around 0.32. Most organic and metallic glasses possess Poisson's ratio above 0.32, and thus, feature fracture energy that is around three orders of magnitude higher than that of oxide glasses, which feature Poisson's ratio typically below 0.30. However, whether the BTD transition can also be observed in oxide glasses remains unknown due to the lack of fracture energy measurements on oxide glasses with high Po
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20

Jabbar, Mohammed M., and Salim M. Zaki. "Smart-Glass Glazing using Arduino and Android Application." International Journal of Interactive Mobile Technologies (iJIM) 15, no. 05 (2021): 54. http://dx.doi.org/10.3991/ijim.v15i05.19411.

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<p>The parts of buildings most susceptible to light and heat are the windows, which are necessary for basic cooling and heating. A huge amount of electrical energy is used to power air conditioners to adjust the inside temperature of residential buildings, while appropriate glazing techniques and materials can be used to reduce energy consumption. There are classic techniques used for tinting glass in buildings and cars, but they all continue to use fixed techniques with one degree of glazing. Users cannot adjust the glazing of these glasses in response to the intensity of sunlight eithe
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21

Sales, Brian C. "Phosphate Glasses." MRS Bulletin 12, no. 5 (1987): 32–35. http://dx.doi.org/10.1557/s0883769400067488.

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Until recently, phosphate glasses were regarded as somewhat of a scientific curiosity—materials limited in technological application but nevertheless exhibiting interesting fundamental properties. Although the basic properties of many phosphate glasses have been studied on a laboratory scale during the past 50 years, very few of these materials proved to be of commercial interest. This lack of extensive practical application was primarily related to their poor chemical durability and a tendency to crystallize during processing.The pace of modern technological development continues to result in
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22

Blazutti Marçal, Rubens Lincoln Santana, Marcelo Henrique Prado da Silva, Eduardo de Sousa Lima, and Luis Henrique Leme Louro. "Production of Borosilicate Glasses from Residues of Ornamental Rocks." Materials Science Forum 727-728 (August 2012): 629–33. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.629.

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In this work, glasses with compositions, close to commercial borosilicate glasses, were developed. The main raw materials were residues of ornamental rock industries ( marbles and granites ). Beach sand was used in order to enrich the compositions with silica. Also, boron oxide was added to reach borosilicate glasses compositions. The obtained glasses were characterized by X-ray diffraction (XRD), infrared spectroscopy (FTIR), and hydrolytic resistance. The measured properties were compared to those of commercial glasses, available in the market, from two different brands. XRD results confirme
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23

Sharmin, Nusrat, Mohammad S. Hasan, Md Towhidul Islam, et al. "Effect of dissolution rate and subsequent ion release on cytocompatibility properties of borophosphate glasses." Biomedical Glasses 5, no. 1 (2019): 85–97. http://dx.doi.org/10.1515/bglass-2019-0008.

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AbstractPresent work explores the relationship between the composition, dissolution rate, ion release and cytocompatibility of a series of borophosphate glasses. While, the base glass was selected to be 40mol%P2O5-16mol%CaO-24mol%MgO-20mol%Na2O, three B2O3 modified glass compositions were formulated by replacing Na2O with 1, 5 and 10 mol% B2O3. Ion release study was conducted using inductively coupled plasma atomic emission spectroscopy (ICP-AES). The thermal scans of the glasses as determined by differential scanning calorimetry (DSC) revealed an increment in the thermal properties with incre
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24

Tuscharoen, Suparat, and Jakrapong Kaewkhao. "Physical and Gamma-Ray Shielding Properties of Strontium Borosilicate Glasses." Advanced Materials Research 979 (June 2014): 236–39. http://dx.doi.org/10.4028/www.scientific.net/amr.979.236.

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Glasses composition of xSrO:(70–x)B2O3:30SiO2when 25≤x≤50 mol% were prepared using the melt quenching technique and investigated the other properties of glasses. The density of the glasses was measured using Archimedes’ principle; the molar volume of the glasses has been derived from density measurements data. The hardness of glasses sample was measured by using the Vickers hardness. Mass attenuation coefficients have been determined experimentally for the glass system at photon energy 662 keV, the results compared with theoretical calculations from WinXCom computer software. The reported data
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25

Sangwaranatee, Narong, Jakrapong Kaewkhao, and Yotsakit Ruangtaweep. "Effect of Li2O and Na2O on Optical Properties of Bismuth Borate Glasses." Key Engineering Materials 675-676 (January 2016): 322–26. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.322.

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In this work, effect of Li2O and Na2O on bismuth borate glasses have been investigated. The glass samples were prepared in composition 44B2O3 : 50Bi2O3 : 5Li2O : 1A2O3 and 44B2O3 : 50Bi2O3 : 5Na2O3 : 1A2O3 (where A2O3= Sm2O3 and Dy2O3).Glasses were prepared using the melt-quenching technique at 1,100 oc under normal atmosphere. The result found that, the density and molar volume of lithium bismuth borate glasses are less than sodium bismuth borate glasses both in Sm2O3 and Dy2O3. In addition, the optical absorption spectra and luminescence of lithium bismuth borate glasses are higher than sodi
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26

Barbieri, L., A. Corradi, and I. Lancellotti. "Residuos para la producción de vidrios y vitroceramicos." Materiales de Construcción 51, no. 263-264 (2001): 197–208. http://dx.doi.org/10.3989/mc.2001.v51.i263-264.364.

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27

Yoshida, Satoshi, Jean-Christophe Sanglebœuf, and Tanguy Rouxel. "Quantitative evaluation of indentation-induced densification in glass." Journal of Materials Research 20, no. 12 (2005): 3404–12. http://dx.doi.org/10.1557/jmr.2005.0418.

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To estimate the ratio of densification to Vickers indentation volume, three-dimensional images of Vickers indentations on several glasses, including silicate glasses and bulk metallic glass (BMG), were obtained before and after annealing using an atomic force microscope. Large volume recovery of Vickers indentation by annealing was observed for all glasses but BMG. Following previous studies, this recovered volume almost corresponded to the densified volume under a Vickers indenter, and the compositional dependence of densification was discussed. The ratios of densification to the total indent
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28

Siuzdak Weber, Kathleen A., and James E. Shelby. "Properties of lithium aluminoborate glasses." Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B 63, no. 4 (2022): 111–18. http://dx.doi.org/10.13036/17533562.63.2.15.

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The density, refractive index, thermal expansion coefficient, glass transformation temperature and d.c. conductivity have been determined for a number of lithium aluminoborate glasses. The glasses studied lie on lines of constant Al2O3 to Li2O concentration with values of 0 (binary lithium borate glasses), 1/2 and 1/1. The thermal expansion coefficient passes through a minimum for all three series of glasses, while the glass transformation temperature for each series passes through a maximum. This behaviour is characteristic of the borate anomaly for all three series of glasses. Replacement of
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29

Zhang, Di, Erik Vedel, Leena Hupa, Heimo O. Ylänen, and Mikko Hupa. "In Vitro Characterization of Bioactive Glasses." Key Engineering Materials 284-286 (April 2005): 481–84. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.481.

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In vitro behavior of 30 new glasses in the system Na2O-K2O-MgO-CaO-B2O3 -P2O5-SiO2 was investigated by immersing them into a simulated body fluid for 4 to168 hours. This study involved the observation of both the changes in the properties of the immersion solution and on the glasses surface after immersion. In vitro reactivity was different for each experimental glass depending on its chemical composition. By comparing these glasses to four established bioactive glasses showing different in vivo bioactivity, a fast estimation of the bioactivity of glasses can be done; thereby the optimization
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30

Dang, Minh Triet, Luka Gartner, Peter Schall, and Edan Lerner. "Measuring the free energy of hard-sphere colloidal glasses." Journal of Physics D: Applied Physics 55, no. 16 (2022): 165304. http://dx.doi.org/10.1088/1361-6463/ac4a97.

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Abstract Free energy is a key thermodynamic observable that controls the elusive physics of the glass transition. However, measuring the free energy of colloidal glasses from microscopy images is challenging due to the difficulty of measuring the individual particle size in the slightly polydisperse glassy systems. In this paper, we carry out experiments and numerical simulations of colloidal glasses with the aim to find a practical approach to measure the free energy from colloidal particles at mild polydispersity. We propose a novel method which requires only the particle coordinates from a
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31

Park, Hong Hyun, In Ki Park, Nam Ju Moon, and Yeoun Sook Chun. "Clinical feasibility of pinhole glasses in presbyopia." European Journal of Ophthalmology 29, no. 2 (2018): 133–40. http://dx.doi.org/10.1177/1120672118810999.

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Purpose: To investigate the ocular physiologic changes and subjective symptoms of wearing multiple-pinhole glasses in subjects with presbyopia. Methods: This prospective study included 32 eligible subjects with presbyopia. Objective ocular functions and a survey of ocular discomfort were performed at baseline. All participants underwent the same examinations after reading while wearing the pinhole glasses and not wearing these glasses at a 1-week interval in random order. Results: The pinhole glasses improved uncorrected distance and near visual acuity in presbyopia. These glasses also require
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32

Ukon, Sakiko, Yasuhito Tsujiie, Shunsuke Murai, Koji Fujita, and Katsuhisa Tanaka. "Second-Harmonic Generation in Thermally Poled Na2O-Al2O3-TeO2 Glasses." Advanced Materials Research 39-40 (April 2008): 247–52. http://dx.doi.org/10.4028/www.scientific.net/amr.39-40.247.

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Tellurite glasses exhibit attractive optical properties such as high refractive index, high transmittance in the infrared-to-visible region, and large third-order nonlinear susceptibility. Poled tellurite glasses also show second-harmonic generation (SHG) as revealed by the present authors. However, there exist many unresolved problems in second-harmonic generation of oxide glasses; SH intensity is low and it decays at room temperature. In this work, the effect of Al2O3 addition on SH intensity and its decay has been explored for thermally poled sodium tellurite glasses. The decay rate of SH i
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33

Mangthong, Pornnapha, Phalatt Leowkijsiri, Nattapon Srisittipokakun, and Jakrapong Kaewkhao. "Comparison and Transmission Studies of Commercial Glass and Laminated Glass with PDLC Film for Heat Resistant and Other Building Structure Applications." Solid State Phenomena 305 (June 2020): 103–7. http://dx.doi.org/10.4028/www.scientific.net/ssp.305.103.

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The work emphasizes on energy saving in multi-layered glasses. Appropriate multi-layer designing was envisaged with various possibility and measured the transmittance of light in UV-Vis-NIR range. Various glasses were selected to study their transmittance for their specific advantages among each other for designing the multi-layer.Visible region showing higher transmittance revealing that these glasses allows more light in this range. While in the IR region these glasses show less transmittance revealing that these glasses doesn’t transmit much heat, this being the interest of study to stack t
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34

Vaidhyanathan, B., S. Asokan, and K. J. Rao. "Effect of CuO addition on the high-field and high-pressure behavior of microwave-prepared lead vanadate glasses." Journal of Materials Research 15, no. 2 (2000): 518–29. http://dx.doi.org/10.1557/jmr.2000.0077.

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High-field and high-pressure behavior of microwave-prepared xCuO:(45−x) PbO: 55V2O5 (x = 0 to 20) glasses were investigated for the first time. It was found that the addition of CuO significantly alters the nonlinear I–V characteristics of these glasses; while the glasses with x = 10 exhibit a current-controlled negative resistance behavior associated with a memory type transition, glasses with x = 15 show a threshold-type behavior. Remarkable differences were also noticed in the high-pressure electrical resistivity behavior between the low- and high-CuO-containing glasses. Corroborative therm
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35

Liu, Weiya. "Analysis of Immersive Exhibition Based on Glasses-free 3D Technology." Education Reform and Development 6, no. 5 (2024): 228–33. http://dx.doi.org/10.26689/erd.v6i5.7274.

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This article primarily examines glasses-free 3D technology and its application in immersive exhibitions. The article includes an analysis of glasses-free 3D technology and its applications, an examination of immersive exhibitions supported by glasses-free 3D technology, as well as the drawbacks of glasses-free 3D technology and its future development trends. It is hoped that this analysis can offer some insights into the prudent application of glasses-free 3D technology, aiming to achieve a compelling immersive exhibition experience.
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36

Bristogianni, Telesilla, Faidra Oikonomopoulou, and Fred A. Veer. "On the flexural strength and stiffness of cast glass." Glass Structures & Engineering 6, no. 2 (2021): 147–94. http://dx.doi.org/10.1007/s40940-021-00151-z.

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AbstractCast glass has great potential for diverse load-bearing, architectural applications; through casting, volumetric glass components can be made that take full advantage of glass’s stated compressive strength. However, the lack of engineering, production and quality control standards for cast glass and the intertwined ambiguities over its mechanical properties-particularly due to the variety in chemical compositions and the lack of understanding of the influence of flaws occurring in the glass bulk-act as an impediment to its wide-spread application. Addressing the above uncertainties, th
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37

Lin, Weiye. "Augmented Reality Smart Glasses: Current Challenges and Future Innovations in Wearable Technology." Theoretical and Natural Science 83, no. 1 (2025): 209–15. https://doi.org/10.54254/2753-8818/2025.20151.

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Wearable technology has become one of the most significant research areas today, offering both portability and solutions to various human needs. However, current smart glasses face challenges in hardware capabilities and user interaction. Despite their potential, smart glasses have not been embraced as widely as smartwatches and smartphones. Furthermore, existing smart glasses do not offer significantly greater functions to justify their higher prices compared to smartphones. Moreover, user feedback for smart glasses products like HoloLens indicates that these devices suffer from non-intuitive
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A.V., Laxman Rao*1 N. Noel2 &. H. Kamalasree3. "IR & FTIR STUDIES OF Na2O-Bi2O-B2O3 GLASSES DOPED WITH MoO3." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 10 (2017): 362–65. https://doi.org/10.5281/zenodo.1012543.

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Alkali oxy borate glasses are well known due to their variety of applications in phosphors, solar energy converters and in a number of electronic devices. These glasses have high mechanical strength when compared with the pure borate glasses. On the other hand heavy metal oxide (Bi2O3) glasses owing to high refractive index such glasses exhibit non-linear effects. Besides, high density and transparency of these glasses make them useful for a variety of optical applications such as radiation shielding windows and scintillation counters. Extensive studies on several spectroscopic properties like
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39

Zakaly, Hesham M. H., Antoaneta Ene, Oyeleke I. Olarinoye, et al. "Investigation of Er3+ Ions Reinforced Zinc-Phosphate Glasses for Ionizing Radiation Shielding Applications." Materials 14, no. 22 (2021): 6769. http://dx.doi.org/10.3390/ma14226769.

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Melt quenching technique is used for preparing glasses with chemical formula (70P2O5)–(16 − x)CdO–(14ZnO)–(xEr2O3), (x = 1–6 mol%). These glasses were named Er1, Er2, Er3, Er4, Er5, and Er6, respectively. Photon buildup factors, fast neutron absorption, and electron stopping of the prepared glasses were examined. Glasses’ density was varied from 3.390 ± 0.003 for the Er1 glass sample to 3.412 ± 0.003 for the Er6 glass sample. The Buildup factor (BUF) spectra have relatively higher values in the Compton Scattering (CS) dominated areas compared to both Photoelectric effect (PE), and Pair Product
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Kim, Yu Jin, Seong Jin Hwang, and Hyung Sun Kim. "Thermal Properties of Bi2O3-B2O3-ZnO Glass System." Materials Science Forum 510-511 (March 2006): 578–81. http://dx.doi.org/10.4028/www.scientific.net/msf.510-511.578.

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Oxide glasses having lower glass transition temperature are widely used in electric devices. The oxide glasses usually contain lead oxide. Recently, lead oxide glasses have been replaced with lead-free oxide glasses because of the environmental pollution. We investigated the thermal properties and the glass formation region in the Bi2O3-B2O3-ZnO ternary system. The results showed that the ratio of Tg/Tl of the bismate glasses is around 0.55, which is lower than the value of ratio 0.67, the two-third rule (Tg/ Tl=2/3)
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41

Sharmin, Nusrat, Fu Gu, Ifty Ahmed, and Andrew J. Parsons. "Compositional dependency on dissolution rate and cytocompatibility of phosphate-based glasses: Effect of B2O3 and Fe2O3 addition." Journal of Tissue Engineering 8 (January 1, 2017): 204173141774445. http://dx.doi.org/10.1177/2041731417744454.

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The unique property of phosphate-based glasses and fibres to be completely dissolved in aqueous media is largely dependent on the glass composition. This article focuses on investigating the effect of replacing Na2O with 3 and 5 mol% Fe2O3 on cytocompatibility, thermal and dissolution properties of P2O5–CaO–Na2O–MgO–B2O3 glass system, where P2O5 content was fixed at 45 mol%. The effect of increasing Fe2O3 from 3 to 5 mol% on P2O5–CaO–Na2O–MgO glasses was also evaluated. The glass transition temperature, onset of crystallisation temperature and liquidus temperature were found to decrease with i
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42

Cicconi, Maria Rita, Eric Pili, Lucie Grousset, and Daniel R. Neuville. "The Influence of Glass Composition on Iodine Solubility." MRS Advances 4, no. 17-18 (2019): 971–79. http://dx.doi.org/10.1557/adv.2018.665.

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AbstractTwo glass series in the ternary systems K2O-B2O3-SiO2 (KBS) and Na2O-B2O3-SiO2 (NBS) were studied in order to identify the main factors influencing the solubility of iodine. We established that iodine incorporation is strongly linked to the bulk chemistry, i.e. the SiO2/(B2O3+SiO2) molar ratio, and to the physical properties of the glasses, and we assessed three different solubility limits. Iodine in Si-rich glasses has a low solubility (≤1 mol% I) regardless of the alkali ion present. On the contrary, in B-rich glasses, the solubility is five times higher than in Si-rich glasses for N
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Endo, Mime, Yoshihiro Haga, Masahiro Sota, et al. "Evaluation of novel X-ray protective eyewear in reducing the eye dose to interventional radiology physicians." Journal of Radiation Research 62, no. 3 (2021): 414–19. http://dx.doi.org/10.1093/jrr/rrab014.

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Abstract The new recommendation of the International Commission on Radiological Protection for occupational eye dose is an equivalent dose limit to the eye of 20 mSv year–1, averaged over a 5-year period. This recommendation is a drastic reduction from the previous limit of 150 mSv year–1. Hence, it is important to protect physicians’ eyes from X-ray radiation. Particularly in interventional radiology (IVR) procedures, many physicians use protective lead (Pb) glasses to reduce their occupational exposure. This study assessed the shielding effects of novel 0.07 mm Pb glasses. The novel glasses
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44

Dutchaneephet, Jirapan, Saksit Sukprasong, Narin Sirikulrat, and Athipong Ngamjarurojana. "Optical Analysis of Bismuth-Based Glasses Doped Potassium Chromate." Applied Mechanics and Materials 804 (October 2015): 75–79. http://dx.doi.org/10.4028/www.scientific.net/amm.804.75.

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In this study, Bismuth-based glasses were prepared and doped with various concentration of potassium chromate. They were melted in an electrical furnace at 1250°C for 4 hours then pressed with fire frame to plate shape and annealed at 500°C for 10 min. Optical spectra were used to analyze color shade of glasses. Homogeneity of glasses was analyzed by birefringence technique. Glasses color was changed from colorless to slightly and opaque green with an increasing amount of potassium dichromate and birefringence result showed that the glasses are non-homogenous.
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Leder, Helmut, Michael Forster, and Gernot Gerger. "The Glasses Stereotype Revisited." Swiss Journal of Psychology 70, no. 4 (2011): 211–22. http://dx.doi.org/10.1024/1421-0185/a000059.

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In face perception, besides physiognomic changes, accessories like eyeglasses can influence facial appearance. According to a stereotype, people who wear glasses are more intelligent, but less attractive. In a series of four experiments, we showed how full-rim and rimless glasses, differing with respect to the amount of face they cover, affect face perception, recognition, distinctiveness, and the attribution of stereotypes. Eyeglasses generally directed observers’ gaze to the eye regions; rimless glasses made faces appear less distinctive and resulted in reduced distinctiveness in matching an
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Arstila, Hanna, Di Zhang, Erik Vedel, Leena Hupa, Heimo O. Ylänen, and Mikko Hupa. "Bioactive Glass Compositions Suitable for Repeated Heat-Treatments." Key Engineering Materials 284-286 (April 2005): 925–28. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.925.

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The crystallization tendency for 30 experimental glasses in the system Na2O-K2O-MgOCaO-B2O3-P2O5-SiO2 was studied with thermal methods, DTA, HSM and XRD. The glasses were also immersed into simulated body fluid for 8 and 72 hours. The formation of the silica-rich gel and calcium phosphate layer on the glasses were analyzed with SEM. The in vitro behavior and crystallization tendency for heat-treated glasses were then related. This information is essential for choosing glass compositions that can be manufactured to desired products with controlled bioactivity for different applications. In gene
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47

Hu, Yue Bo, Jian Bei Qiu, Da Li Zhou, et al. "Comparative Investigation of Optical Properties in Tm3+/Er3+/Yb3+ Co-Doped Oxyfluoride Tellurite and Germanate Glasses." Advanced Materials Research 634-638 (January 2013): 2559–64. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.2559.

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Tm3+/Er3+/Yb3+co-doped oxyfluoride tellurite and germanate glasses have been synthesized by conventional melting method. Intense up-conversion (UC) luminescence emissions were simultaneously observed under 980 nm excitation at room temperature in two glasses. The possible UC mechanisms are discussed and estimated. However, in the studied Tm3+/Er3+/Yb3+co-doped oxyfluoride glasses, tellurite glass showed weaker UC emissions than germanate glass, which is inconsistent with the prediction from the difference of maximum phonon energy between oxyfluoride tellurite and germanate glasses. Absorption
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Zubov, A., T. Shumilova, and S. Isaenko. "Comparative characteristics of diaplectic and melt silicate glasses of the Kara astrobleme." Vestnik of geosciences, no. 9 (December 6, 2023): 48–55. http://dx.doi.org/10.19110/geov.2023.9.4.

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The objects of study are diaplectic and melt silicate glasses from vein melt impactites of the Kara astrobleme. Microscopic and spectroscopic characteristics of two glasses with fundamentally different formation mechanisms were obtained, which allowed comparing their structural features. We found that silicate diaplectic and melt impact glasses from high-pressure/high-temperature vein bodies of the Kara astrobleme were characterized by similar structural features — a high degree of polymerization, the presence of four-membered and polymembered SiO4 rings, which was characteristic of all glasse
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Ding, Rui Xian, Sheng Zhong Kou, Jian Jun Fan, and Ye Jiang. "Effect of Raw Material Purity on Structure and Properties of Metallic Glasses." Materials Science Forum 1035 (June 22, 2021): 759–67. http://dx.doi.org/10.4028/www.scientific.net/msf.1035.759.

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Zirconium base metallic glasses [Zr0.73(Cu0.59Ni0.41)0.27]87Al13 was fabricated by industrial zirconium with low purity and high purity zirconium according to different quality ratios in order to study the effect of raw material purity on the structure and properties of metallic glasses. The results showed that the complete metallic glasses was failed to be fabricate with low purity zirconium. And the compression process was typical brittle fracture with low compressive strength and without plastic strain. The glasses forming ability of low purity zirconium metallic glass with different purity
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Luo, Shi Yong, Wen Cai Xu, Xin Lin Zhang, and Li Xia Huo. "Structure and Low Melting Property of Vanadate Tellurite Glass." Materials Science Forum 663-665 (November 2010): 1229–33. http://dx.doi.org/10.4028/www.scientific.net/msf.663-665.1229.

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The glasses (80-x)TeO2·xV2O5·20MO (M=Sn, Bi, Ca, Na and K) had been examined as potential replacements for PbO-based glass frits with low firing temperature. The glasses with TeO2 0-44 mol%, and V2O5 39-82 mol% are not suitable for glass frit since they are easy to crystallize. The glasses with the content of the TeO2 54-74 mol%, and the V2O5 9-29 mol% were investigated by differential scanning calorimetry, X-ray diffraction, infrared spectra and fluidity evaluation experiments. The glasses possess appropriate fluidity and do not crystallize in the re-melting process at 723-753 K. The glass tr
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