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Journal articles on the topic 'Glass properties'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Drajewicz, Marcin, and Jan Wasylak. "Properties of Glass Surface with Nano-Particles Aluminum Compounds Refined." Advanced Materials Research 39-40 (April 2008): 567–70. http://dx.doi.org/10.4028/www.scientific.net/amr.39-40.567.

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New refining technology of soda – lime – silicon glassy surfaces with aluminum compounds nano-molecules has been presented in the present study. Structural definition of aluminum compounds nano-powders exposed to thermal processing, including grain-size analysis has been discussed. Optimal technical and technological parameters of the refining process have been selected. Refining method of soda – lime – silicon glassy surfaces with aluminum compounds nanomolecules assures profitable operational properties of the glass, such as increased bending strength, scratching strength, micro hardness and chemical resistance without deterioration of the optical properties. Nano-molecules were spread onto the heated glass surface, or onto cold glass surface and then heated up to temperatures close to the glass transformation, when nano-molecules penetrate into the glass surface. The layer thicknes as glass operational properties has been tested. From obtained results it can be explained the mechanism the incorporation of nano particles. The received results develop new possibilities with respect to container glass, float glass and glass fibres, as well as to glass processing.

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2

Ren, Xiaobing. "Strain glass and ferroic glass - Unusual properties from glassy nano-domains." physica status solidi (b) 251, no. 10 (September 11, 2014): 1982–92. http://dx.doi.org/10.1002/pssb.201451351.

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3

Gautam, C. R., Devendra Kumar, Om Parkash, and O. P. Thakur. "Dielectric Properties of La2O3 Doped Composite (PbxSr1−x)TiO3 Borosilicate Glass Ceramic." Journal of Ceramics 2013 (December 5, 2013): 1–9. http://dx.doi.org/10.1155/2013/879758.

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Ferroelectric (PbxSr1−x)TiO3 (PST) perovskite phase has been crystallized in borosilicate glassy matrix with a suitable choice of composition and heat treatment schedule. La2O3 is a donor dopant for PST and can make it semiconducting. Dispersion of semiconducting perovskite phase in insulating glassy matrix in glass-ceramic samples may lead to the formation of space charge polarization around crystal-glass interface, leading to a high value of effective dielectric constant, εr. Therefore, with the aim of the developing glass ceramics with high dielectric constant, glasses in the system 64[(PbxSr1−x)O·TiO2]-25[2SiO2·B2O3]-5[K2O]-5[BaO]-1[La2O3] have been prepared (0.5≤x≤1). It is found that the addition of La2O3 strongly affected the crystallization and dielectric behavior of glass-ceramic with PST perovskite phase. All glass ceramic samples show a diffuse broad Curie peak in their εr versus T plots. Curie peak temperature, Tc, depends on compositions of the glass-ceramic samples as well as frequency of measurements.

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4

J., Deepak T., Senyange E. K., and Iman F. Nazrul Azmi A. Z. Chakravarthy N. "Experimental Analysis on Strength Properties of Glass Fiber Concrete." International Journal of Trend in Scientific Research and Development Special Issue, Special Issue-ICAEIT2017 (November 30, 2018): 1–6. http://dx.doi.org/10.31142/ijtsrd19110.

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5

Xin Wang, Xin Wang, Lili Hu Lili Hu, Kefeng Li Kefeng Li, Ying Tian Ying Tian, and Sijun Fan Sijun Fan. "Spectroscopic properties of thulium ions in bismuth silicate glass." Chinese Optics Letters 10, no. 10 (2012): 101601–5. http://dx.doi.org/10.3788/col201210.101601.

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6

De Pablos Martin, Araceli, and Giulio Gorni. "Glass-Ceramics: Improving Glass Properties through Crystallization." Crystals 11, no. 9 (September 7, 2021): 1084. http://dx.doi.org/10.3390/cryst11091084.

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7

S, Karthik A., and Dr S. V. Gorabal. "A Study on Mechanical Properties of E-Glass Polypropylene Epoxy and S-Glass Polypropylene Epoxy Composites." International Journal of Trend in Scientific Research and Development Volume-2, Issue-5 (August 31, 2018): 571–75. http://dx.doi.org/10.31142/ijtsrd15903.

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8

Wang, Yi Ming, Li Jing Zheng, and Shu Jie Pang. "Formation and Mechanical Properties of Mg-Cu-Al-Gd Bulk Metallic Glass Composites." Materials Science Forum 650 (May 2010): 290–94. http://dx.doi.org/10.4028/www.scientific.net/msf.650.290.

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The effect of Al addition to Mg65Cu25Gd10 glassy alloy on the microstructure, thermal properties and mechanical properties were investigated. The Mg65Cu25-xAlxGd10 (x=1-7at. %) bulk metallic glass composites were formed by copper mold casting, and the fraction and size of the crystalline phases in the glassy matrix changed with the Al content. The Mg65Cu24Al1Gd10 glass composite consisted of a small amount of crystalline phases in the glassy matrix possesses high compressive strength up to about 850 MPa.

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9

Kim, Young Kil, Yeon Gil Jung, Jin Bo Song, Min Chul Shin, and Hee Soo Lee. "Fabrication and Properties of Wall and Floor Tiles Using Waste Glass." Materials Science Forum 486-487 (June 2005): 395–98. http://dx.doi.org/10.4028/www.scientific.net/msf.486-487.395.

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Wall and floor tiles were fabricated by a dry pressing method using waste glass and clay. The properties of the tiles such as absorption, bulk density, porosity, compressive strength, and abrasion loss were investigated with the firing temperature and glass contents. The properties were improved by increasing the firing temperature and glass contents. These properties, except the compressive strength, tended to be saturated from the glass contents of 70 wt % in the case of 1050 °C. The compressive strength showed the maximum values at the glass contents of 70 wt% and then decreased with increasing glass contents. The optimal properties obtained in the tiles were the water absorption of about 0.9 %, the bulk density of about 2.3 g/cm3, the apparent porosity of about 2.1 %, the compressive strength of about 210 MPa, and the abrasion loss of about 0.022 g, when the composition containing the glass of 70 wt% was fired at 1050°C. These results are better than the properties of commercial clay tiles for easy melting and densification of glassy phase in the tiles.

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10

Kim, Hyeong-Jun, Jewon Park, Hyein Na, Hyung Mi Lim, and Gabin Chang. "Improvement of Flame-Retardant Performance of Polyurethane Foam Coated with Water Glass." Fire Science and Engineering 34, no. 2 (April 30, 2020): 7–13. http://dx.doi.org/10.7731/kifse.43a374e9.

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In this study, water glass was applied as a coating material to a rigid polyurethane foam to improve the flame-retardant properties of the foam. The heat release rate of the cone calorimeter of the urethane foam, in which the inorganic water-glass coating layer was applied, decreased rapidly. The water glass coated on the polyurethane surface formed a glassy foam by foaming with water, which did not escape during the vitrification reaction when the foam or glass was heated. The glassy foam formed on the polyurethane foam became a fire-resistant insulation layer that inhibited the combustion of the polyurethane foam for more than 10 min. Water glass was found to improve the flame-retardant properties of the rigid polyurethane foam.

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11

Zheng, Qiaoyu, Yang Li, Wenjuan Wu, Jun Zou, Bobo Yang, and Mingming Shi. "Effect of reduction co-sintering on the photoluminescence properties of phosphor in glass in boro-bismuthate glass." Chinese Optics Letters 17, no. 10 (2019): 101601. http://dx.doi.org/10.3788/col201917.101601.

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12

Kim, Young Kil, Yeon Gil Jung, Jun Baek Song, Min Chul Shin, and Hee Soo Lee. "Characteristics of Wall and Floor Tiles Using Waste Glass." Key Engineering Materials 317-318 (August 2006): 755–58. http://dx.doi.org/10.4028/www.scientific.net/kem.317-318.755.

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Wall and floor tiles were fabricated by a dry pressing method using waste glass and clay. The properties of the tiles such as absorption, bulk density, porosity, compressive strength, and abrasion loss are investigated with the firing temperature and glass content. The properties are improved with increasing both the firing temperature and glass content. These properties, except the compressive strength, tend to be saturated from the glass contents of 70 wt % in the case of 1050 . The compressive strength shows the maximum values at the glass contents of 70 wt% and then which are decreased with increasing the glass contents. The optimal properties obtained in the tiles are the water absorption of about 0.9 %, the bulk density of about 2.3 g/cm3, the apparent porosity of about 2.1 %, the compressive strength of about 210 MPa, and the abrasion loss of about 0.022 g, when the composition containing the glass of 70 wt% is fired at 1050. These results are better than the properties of commercial clay tiles, due to easy melting and densification of glassy phase in the tiles.

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13

Sharifi, Soheil, and Jahanbakhsh Mashaiekhy Asl. "Secondary Relaxation inside the Glass." ISRN Materials Science 2011 (July 20, 2011): 1–10. http://dx.doi.org/10.5402/2011/764874.

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The physical properties of the glass depend on the procedure used to produce the glass. In particular, if the glass is obtained through the variation of external thermodynamic parameters, the specific way in which the parameters are varied (thermodynamic history) has influence on the final properties. In this work, we studied the effect of thermodynamic history on secondary relaxation inside the glassy state on different molecular glass forming, namely, PPGE(poly[(phenyl glycidyl ether)-co-formaldehyde]), 1,18-bis (p methoxyphenyl) cyclohexane (BMPC), poly(propylene glycol)—(PPG400), phenolphthalein-dimethyl-ether(PDE), Poly(vinyl acetate) (PVAc), and poly(bisphenol A-co-epichlorohydrin) glycidyl end-capped (DGEBA). We found secondary relaxation change with thermodynamic history and depends on the value of the activation volume which activation entropy of secondary relaxation inside the glassy state. Also, we found most of the JG secondary relaxation change with thermodynamic history and most of the Non-JG secondary relaxation are not sensitive.

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14

Wang, Qiang, Ding Ding, and Lei Xia. "Formability and Magnetic Properties of the Binary Nd-Co Amorphous Alloys." Metals 11, no. 11 (October 29, 2021): 1730. http://dx.doi.org/10.3390/met11111730.

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In this paper, binary Nd-Co alloys with compositional range from Nd72.5Co27.5 to Nd50Co50 were successfully vitrified into glassy state by a melt-spinning method. The glass formability of the metallic glasses (MGs) was studied and the best glass former in the binary Nd-Co alloys was obtained. Magnetic properties of the MGs were measured. The compositional dependence of Curie temperature of the MGs was observed. The mechanism for the spin-glass-like behaviors and high coercivity at low temperature, and their influence on the magnetic entropy change of the MGs, were investigated.

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15

Fanderlik, I. "Optical properties of glass." Optics & Laser Technology 17, no. 1 (February 1985): 50. http://dx.doi.org/10.1016/0030-3992(85)90127-6.

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16

Abdullayeva, A. S. "LASER PROPERTIES OF GLASS (Ga2S3)0.70(La2S3)0.25(Nd2S3)0.05." Azerbaijan Chemical Journal, no. 4 (December 12, 2019): 35–38. http://dx.doi.org/10.32737/0005-2531-2019-4-35-38.

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17

Richet, Pascal, Richard A. Robie, and Bruce S. Hemingway. "Thermodynamic properties of wollastonite, pseudowollastonite and CaSiO3 glass and liquid." European Journal of Mineralogy 3, no. 3 (June 14, 1991): 475–84. http://dx.doi.org/10.1127/ejm/3/3/0475.

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18

Saeed, Aly, Shazly El, Mohamed El-Okr, Ali El-Azm, Yahia Elbashar, Mohamed Comsan, Wagdy Kansouh, and Ahmed El-Sersy. "Neutron shielding properties of a borated high-density glass." Nuclear Technology and Radiation Protection 32, no. 2 (2017): 120–26. http://dx.doi.org/10.2298/ntrp1702120s.

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The neutron shielding properties of a borated high density glass system was characterized experimentally. The total removal macroscopic cross-section of fast neutrons, slow neutrons as well as the linear attenuation coefficient of total gamma rays, primary in addition to secondary, were measured experimentally under good geometric condition to characterize the attenuation properties of (75-x) B2O3-1Li2O-5MgO-5ZnO-14Na2O-xBaO glassy system. Slabs of different thicknesses from the investigated glass system were exposed to a collimated beam of neutrons emitted from 252Cf and 241Am-Be neutron sources in order to measure the attenuation properties of fast and slow neutrons as well as total gamma rays. Results confirmed that barium borate glass was suitable for practical use in the field of radiation shielding.

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19

Wang, Yu, Xiao Bing Ren, and Kazuhiro Otsuka. "Strain Glass: Glassy Martensite." Materials Science Forum 583 (May 2008): 67–84. http://dx.doi.org/10.4028/www.scientific.net/msf.583.67.

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“Glass”, a frozen disordered-state, has been found in areas as diverse as amorphous solids, magnetic alloys, ferroelectrics, superconductors, and even in models of biological evolutions. In the present review we introduce a new class of glass–the “strain-glass”, which was discovered very recently. Strain glass is derived from a martensitic system, where the local-strain is frozen in disordered configuration. The first example of strain glass was found in the well-studied Ni-rich Ti50-xNi50+x martensitic system in its “non-transforming” composition regime (x>1.5). Contrasting to the familiar martensitic transition, the strain glass transition is not accompanied by a change in the average structure, or a thermal peak in the DSC measurement. It involves a dynamic freezing process with broken ergodicity, during which nano-sized martensite domains are frozen. More interestingly, the seemingly “non-martensitic” strain glass exhibits unexpected properties: shape memory effect and superelasticity, like a normal martensitic alloy. Strain glass bears a striking similarity with other two classes of glasses: cluster-spin glass and ferroelectric relaxor. These ferroic-transition-derived glasses can be considered as a more general class of glass: ferroic glass. The finding of strain glass may provide new opportunities for martensite research from both fundamental side and application side.

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20

Yan, Qian, Chang, Lu, and Miyakoshi. "The Effect of Glass Fiber Powder on the Properties of Waterborne Coatings with Thermochromic Ink on a Chinese Fir Surface." Polymers 11, no. 11 (October 23, 2019): 1733. http://dx.doi.org/10.3390/polym11111733.

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In this study, the effect of glass fiber powder on the properties of waterborne coatings with thermochromic ink was investigated, using Chinese fir board as the base material and temperature-sensitive thermochromic waterborne coatings with thermochromic ink as the paint base. The concentration of glass fiber powder was determined when the microstructure, optical properties, mechanical properties, liquid resistance, and heat preservation effect were the best. The results showed that the paint film with glass fiber powder concentration of 1.0% to 7.0% had better discoloration performance. With an increase of the glass fiber powder concentration, the gloss of the paint film decreased gradually, and when the concentration of glass fiber powder was 0% to 5.0%, the gloss of the paint film was better. The concentration of glass fiber powder had no effect on the adhesion, impact resistance, and liquid resistance. In the first 2.5 min, the temperature value of the waterborne coating with 3.0% glass fiber powder was higher than that without glass fiber powder, which has a certain heat preservation effect. When the glass fiber powder content was 3.0%, the microstructure of paint film was the best. The composition of paint film with different glass fiber powder concentrations was not different and the discoloration performance of paint film with heat preservation effect was not affected by time. The analysis showed that the waterborne coating with 3.0% glass fiber powder had the best comprehensive performance. This work provides a technical reference for the industrialization of heat preservation and thermochromic coating on wood.

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21

Kotsay, Galyna, and Aleksandra Brzóska. "Effect of Borosilicate Glass Wastes and Synthetic Silica on Cement Products Properties." Chemistry & Chemical Technology 15, no. 2 (May 15, 2021): 312–18. http://dx.doi.org/10.23939/chcht15.02.312.

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This paper presents the findings of research study on the effect of borosilicate glass wastes on properties of cement paste and mortar. The borosilicate glass contains three times less alkali than soda-lime glass and about 12 % of boron oxide, so pozzolanic activity of borosilicate glass is three times higher compared to soda-lime glass. In order to increase the pozzolanic activity of glass precipitated synthetic silica was used. Mathematical models were used in order to test the effect of synthetic silica on pozzolanic activity of borosilicate glass. Test results indicate that replacement of 1 % of borosilicate glass by synthetic silica increased the pozzolanic activity up to 9.4 mg CaO/g of additive. By adding 5 % of borosilicate glass instead of cement, the standard compressive strength is reduced by about 20 %. However, complex additive of borosilicate glass (2–5 %) and synthetic silica (0.5 %) increased initial compressive strength of cement mortars to 10 %.

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22

Świontek, Szymon, Marcin Środa, and Wojciech Gieszczyk. "Ceramics, Glass and Glass-Ceramics for Personal Radiation Detectors." Materials 14, no. 20 (October 12, 2021): 5987. http://dx.doi.org/10.3390/ma14205987.

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Different types of ceramics and glass have been extensively investigated due to their application in brachytherapy, radiotherapy, nuclear medicine diagnosis, radioisotope power systems, radiation processing of food, geological and archaeological dating methods. This review collects the newest experimental results on the thermoluminescent (TL) properties of crystalline and glassy materials. The comparison of the physico-chemical properties shows that glassy materials could be a promising alternative for dosimetry purposes. Furthermore, the controlled process of crystallization can enhance the thermoluminescent properties of glasses. On the other hand, the article presents information on the ranges of the linear response to the dose of ionizing radiation and on the temperature positions of the thermoluminescent peaks depending on the doping concentration with rare-earth elements for crystalline and glassy materials. Additionally, the stability of dosimetric information storage (fading) and the optimal concentration of admixtures that cause the highest thermoluminescent response for a given type of the material are characterized. The influence of modifiers addition, i.e., rare-earth elements on the spectral properties of borate and phosphate glasses is described.

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23

Modgil, Vivek, and V. S. Rangra. "Effect of Sn Addition on Thermal and Optical Properties of Pb9Se71Ge20-xSnx (8≤x≤12) Glass." Journal of Materials 2014 (March 27, 2014): 1–8. http://dx.doi.org/10.1155/2014/318262.

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Study of thermal and optical parameters of Pb9Se71Ge20-xSnx (8≤x≤12) glass has been undertaken. Crystallization and glass transition kinetics has been investigated under nonisothermal conditions by DSC technique. Phase separation has been observed in the material and is investigated by taking the XRD of annealed bulk samples. The material possesses good glass forming ability, high value of glass transition temperature about 420 K, and glass stability. Optical band gap and other optical constants such as refractive index and extinction coefficient have been determined. The isoelectronic substitution of Ge with Sn in the glassy system reduces the optical band gap and enhances the thermal properties.

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24

Li, Jianwei. "Thermomechanical constitutive equations for glass and numerical simulation on automobile glass forming technology." Glass Technology: European Journal of Glass Science and Technology Part A 63, no. 4 (2022): 122–28. http://dx.doi.org/10.13036/17533546.63.4.006.

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To establish a comprehensive numerical model for automotive glass forming, firstly, this paper conducts material tests of 3·2 SG glass to obtain detailed material properties. Through thermal expansion experiments, the thermal expansion coefficients including glassy and liquid states are obtained; then by using three-point bending stress relaxation and differential scanning calorimetry experiments, the stress relaxation and structural relaxation properties of the glass are obtained. Finally, a comparison analysis of the simulation and the actual spherical deviation for an actual automobile glass product is carried out. The result shows that the product simulation and the actual product spherical deviation correspond. The maximum value of the spherical deviation is within 0·94 mm between simulation and the actual product spherical deviation. The accuracy can meet the design requirements, and the established numerical model is reliable.

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25

Li, Tian, and Guangping Zheng. "The influences of glass–glass interfaces and Ni additions on magnetic properties of transition-metal phosphide nano-glasses." AIP Advances 12, no. 8 (August 1, 2022): 085229. http://dx.doi.org/10.1063/5.0088043.

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In this work, a novel kind of non-crystalline materials, the metallic nano-glasses (NGs), is synthesized, and the influences of glass–glass interfaces (GGIs) and Ni additions on the structural and thermodynamics properties, as well as the magnetism of (Co, Fe, Ni)–P NGs with various sizes of glassy grains (Davg) are studied systematically. The addition of Ni and the reduction of Davg are found to improve the glass forming abilities of NGs. The influences of volume fractions of GGIs on the magnetism of NGs are analyzed by Mössbauer spectroscopy and magnetization hysteresis measurements. It is found that the soft magnetic properties of (Co, Fe)–P NGs with reduced Davg can be dramatically improved, as compared with micro-structured samples. Thus, this work has an in-depth understanding of the structural properties and magnetism of NGs as affected by the glass–glass interfaces in magnetic NGs.

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26

Loryuenyong, Vorrada, and Achanai Buasri. "Preparation of Luminescent Glass Aggregates from Soda-Lime Waste Glass." International Journal of Photoenergy 2021 (November 8, 2021): 1–6. http://dx.doi.org/10.1155/2021/5951258.

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This research studied the preparation of luminescent glass aggregates prepared from soda-lime waste glass and strontium aluminate-based phosphors. The properties of the samples were determined by means of X-ray diffraction (XRD) technique, scanning electron microscopy (SEM), Archimedes’ method, and photoluminescence (PL) spectroscopy. It was found that the pore characteristics, density, and formation of crystallite phases in the glassy matrix depended on the phosphor content. The addition of fine phosphor powder tended to inhibit the glass crystallization and to reduce the apparent porosity of the aggregates. In general, the disadvantage of phosphors is their luminescent degradation under thermal attacks, which limits their use in applications involving high-temperature annealing. The phosphors, however, still had good luminescent properties and long-term stability with the sintering temperature as high as 750°C. The results indicated that the phosphors could be composited with glasses at high processing temperatures, enabling their widespread application.

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27

Amezawa, Koji, Takamitsu Tomiga, Naoichi Yamamoto, Teiichi Hanada, and Yoichi Tomii. "Electrical Conduction Properties of LaP3O9 Glass and Glass-Ceramics." Journal of the American Ceramic Society 88, no. 11 (November 2005): 3211–14. http://dx.doi.org/10.1111/j.1551-2916.2005.00538.x.

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28

Suzuki, Moriya, and Hiroshi Ryono. "Properties of Glass prepared from Chrysotile-Cement-Waste Glass." Journal of the Japan Society of Waste Management Experts 8, no. 2 (1997): 89–96. http://dx.doi.org/10.3985/jswme.8.89.

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29

Pavić, Luka, Manuel P. F. Graca, Željko Skoko, Andrea Moguš-Milanković, and Manuel A. Valente. "Magnetic Properties of Iron Phosphate Glass and Glass-Ceramics." Journal of the American Ceramic Society 97, no. 8 (April 30, 2014): 2517–24. http://dx.doi.org/10.1111/jace.12951.

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30

Griffin, S., and R. G. Hill. "Glass composition influence on glass polyalkenoate cement mechanical properties." Journal of Non-Crystalline Solids 196 (March 1996): 255–59. http://dx.doi.org/10.1016/0022-3093(95)00596-x.

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31

Fomenk, Galyna, Oleksandr Nosenko, Viktor Goleus, Nataliia Ilchenko, and Oleksandra Amelina. "Glass formation and properties of Glasses in MgO-BaO-B2O3 System." Chemistry & Chemical Technology 9, no. 4 (December 15, 2015): 463–66. http://dx.doi.org/10.23939/chcht09.04.463.

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32

Haribabu, Yegireddy. "Study of Mechanical Properties of Banana and E-Glass Fiber Composite." International Journal of Trend in Scientific Research and Development Volume-2, Issue-4 (June 30, 2018): 2152–55. http://dx.doi.org/10.31142/ijtsrd14613.

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33

Drenchev, Ludmil, Tony Spassov, Georgi Stefanov, Akihisa Inoue, and Stoyko Gyurov. "Static and Dynamic Thermal Properties of a Pd40Ni40Si20 Glassy Alloy." Metals 9, no. 11 (October 28, 2019): 1157. http://dx.doi.org/10.3390/met9111157.

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The thermal properties of a Pd40Ni40Si20 glassy alloy with the largest supercooled liquid region among the glassy alloys containing Si as a metalloid element are studied using static and dynamic measurement methods. The relatively wide supercooled liquid region of 45 K, defined by the temperature interval between the glass transition temperature (Tg) and the onset temperature of crystallization (Tx), and the viscosity of the supercooled liquid, varying from 2.7 × 1010 to 3.2 × 1011 Pa·s, make this glass suitable for the introduction of controlled pores by a viscous flow in the temperature range Tg~Tx. The obtained activation energy for crystallization, 272 ± 19 kJ/mol, is slightly higher than that of Tg (228 ± 11 kJ/mol), indicating the dominant contribution of the atomic transport barrier in the overall energy barrier for crystallization.

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34

Juuti, Mikko. "Spectral properties and surface uniformity of black glass gloss references." Optical Engineering 48, no. 3 (March 1, 2009): 033603. http://dx.doi.org/10.1117/1.3095903.

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35

Liu, Hao, Xi Tang Wang, Zhou Fu Wang, and Bao Guo Zhang. "Effects of Al₂O₃ on the Structure and Properties of Calcium-Magnesium-Silicate Glass Fiber." Advanced Materials Research 450-451 (January 2012): 42–45. http://dx.doi.org/10.4028/www.scientific.net/amr.450-451.42.

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Calcium-magnesium-silicate glass fiber is a kind of candidate materials for aluminosilicate ceramic fiber in high temperature resistant field. However, the large thermal shrinkage limits its rapid development and industrial application in high temperature insulation field. It has been known that the shrinkage under high temperatures is mainly affected by the structure and crystallization mechanisms of glass fibers. Thus, Al2O3 was chosen as additive in the chemical composition of glass fiber to investigate the glassy network structure, crystallization and dissolution properties of calcium-magnesium-silicate glass fiber by DTA, XRD and ICP-AES techniques. The results show that with the addition of Al2O3, the glassy network structure was strengthened and the precipitation of crystals was inhibited for heat-treated fibers. As for the dissolution properties in physiological fluids, though the weight losses, changes of pH values and leached ions concentration lowered slightly with the addition of Al2O3 for the intensified network structure, fibers still present high dissolution rates.

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36

Xiao, Andong, Zhijian Zhou, Yu Qian, and Xu Wang. "Direct Observation of Evolution from Amorphous Phase to Strain Glass." Materials 15, no. 22 (November 9, 2022): 7900. http://dx.doi.org/10.3390/ma15227900.

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The amorphous phase and strain glass are both disordered states of solids. The amorphous phase is an atomic packing disordered phase, while strain glass is a glassy state with transformation strain disorder in a crystalline matrix, which both bring extraordinary properties to alloys. Previous studies have mostly focused on the properties and structure of single glass; however, the link between them has seldom been considered. In this work, the specimen of the almost amorphous state was obtained from the heavy-defects-doping Fe67.8Pd32.2 strain glass ingot by arc melting and 90% cold rolling, which were characterized by amorphous packages in X-ray diffraction and amorphous rings in transmission electron microscope diffraction. The evolution from the amorphous phase (metallic glass) back to strain glass was directly observed by an in situ high-resolution transmission electron microscope, which revealed that strain nanodomains began to form on the amorphous matrix below the crystallization temperature of the amorphous phase. Here, direct observation of the evolution process provides a theoretical basis for achieving precise control of crystallinity to obtain the desired microstructure, while the study of the unusual crystallization process offers a possible way to tailor the mechanical and functional properties through tuning the amorphous and strain glass coexistence. This work presents the specific pathway and realization possibilities for the design of glass composite materials with enhanced properties.

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Mallamaci, Michael P., James Bentley, and C. Barry Carter. "In situ crystallization of silicate glass films deposited on α-Al2O3." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 928–29. http://dx.doi.org/10.1017/s0424820100150472.

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Polycrystalline alumina compacts often contain amorphous films at grain boundaries and triple junctions as a result of the liquid-phase sintering process. An anorthite-based composition (CaAl2Si2O8) is typical of the glassy phases observed in these materials. With appropriate heat treatments the glass phase can be crystallized, which can influence the properties of the bulk material. Deposition of a thin film of glass on single-crystal α-Al2O3 is being used to study the influence of specific crystallographic orientations on the alumina-glass interface properties. Vapor-phase growth of glass on different orientations of α-Al2O3 has been accomplished previously and, through subsequent thermal treatments, the alumina was shown to facet preferentially when in contact with a glassy phase. In the present study, calcium-aluminosilicate glass films were grown on single-crystal α-Al2O3 at relatively low substrate temperatures (<950°C) by pulsed-laser deposition. These films were then heated in the electron microscope to determine the effect of α-Al2O3 crystallography on crystallization of calcium-aluminosilicate glasses.

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Shorey, A. B., Y. J. Lu, and G. A. Smith. "Leveraging Glass Properties for Advanced Packaging." International Symposium on Microelectronics 2015, no. 1 (October 1, 2015): 000370–74. http://dx.doi.org/10.4071/isom-2015-wp22.

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Glass provides many opportunities for advanced packaging. The most obvious advantage is given by the material properties. As an insulator, glass has low electrical loss, particularly at high frequencies. The relatively high stiffness and ability to adjust the coefficient of thermal expansion gives advantages to manage warp in glass core substrates and bonded stacks for both through glass vias (TGV) and carrier applications. Glass also gives advantages for developing cost effective solutions. Glass forming processes allow the potential to form both in panel format as well as at thicknesses as low as 100 um, giving opportunities to optimize or eliminate current manufacturing methods. As the industry adopts glass solutions, significant advancements have been made in downstream processes such as glass handling and via/surface metallization. Of particular interest is the ability to leverage tool sets and processes for panel fabrication to enable cost structures desired by the industry. By utilizing the stiffness and adjustable CTE of glass substrates, as well as continuously reducing via size that can be made in a panel format, opportunities to manufacture glass TGV substrates in a panel format increase. We will provide an update on advancements in these areas as well as handling techniques to achieve desired process flows. We will also provide the latest demonstrations of electrical, thermal and mechanical reliability.

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39

Morimoto, S. "Porous Glass: Preparation and Properties." Key Engineering Materials 115 (September 1995): 147–58. http://dx.doi.org/10.4028/www.scientific.net/kem.115.147.

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ITOH, Yoshiyasu, and Takahiko SHINDOH. "Mechanical Properties of Glass Coating." Journal of the Society of Materials Science, Japan 46, no. 9 (1997): 1064–69. http://dx.doi.org/10.2472/jsms.46.1064.

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So, J. H., D. H. Green, and S. S. Yun. "Ultrasonic properties of aluminosilicate glass." Journal of the Acoustical Society of America 102, no. 5 (November 1997): 3087. http://dx.doi.org/10.1121/1.420175.

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J.K., Lee, Park H.W., Choi H.W., Kim J.E., Kim S.J., and Yang Y.S. "Dielectric Properties of BaTi2O5 Glass." Journal of the Korean Physical Society 47, no. 92 (September 30, 2005): 267. http://dx.doi.org/10.3938/jkps.47.267.

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Sural, M., and A. Ghosh. "Transport properties of semiconducting glass." Journal of Physics: Condensed Matter 10, no. 42 (October 26, 1998): 9413–18. http://dx.doi.org/10.1088/0953-8984/10/42/007.

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Watkins, Ignacio Gana, and Miguel Prado. "Mechanical Properties of Glass Microspheres." Procedia Materials Science 8 (2015): 1057–65. http://dx.doi.org/10.1016/j.mspro.2015.04.168.

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Bláha, B., H. Frank, B. Sopko, J. Bohm, S. Němeček, J. Št’astný, M. Štědroň, and M. Vanı́čková. "Electrical properties of semiconducting glass." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 416, no. 2-3 (November 1998): 345–50. http://dx.doi.org/10.1016/s0168-9002(98)00701-3.

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Wolbarsht, M. L. "The properties of optical glass." Optics & Laser Technology 29, no. 4 (June 1997): ix. http://dx.doi.org/10.1016/s0030-3992(97)81339-4.

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El-Mallawany, R., M. Dirar Abdalla, and I. Abbas Ahmed. "New tellurite glass: Optical properties." Materials Chemistry and Physics 109, no. 2-3 (June 2008): 291–96. http://dx.doi.org/10.1016/j.matchemphys.2007.11.040.

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48

Deutscher, Guy. "Superconducting glass and related properties." Physica C: Superconductivity 153-155 (June 1988): 15–20. http://dx.doi.org/10.1016/0921-4534(88)90485-6.

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CARBOTTE, J. P., A. PEREZ-GONZALEZ, and E. J. NICOL. "PROPERTIES OF SPIN GLASS SUPERCONDUCTORS." International Journal of Modern Physics B 07, no. 01n03 (January 1993): 99–102. http://dx.doi.org/10.1142/s0217979293000238.

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Magnetic impurities at random sites on a lattice and interacting via a long range indirect Rudermann–Kittel–Kasuya–Yosida interaction, can undergo a spin glass transition due to the importance of frustration and competing interactions. Within a simple model of the freezing transition in which the effect of the magnetism on the superconducting electrons reduces to a temperature dependent effective scattering time, we have worked out several superconducting properties and here present results for the upper critical magnetic field. We find that its temperature dependence is profoundly altered over the pure case and strongly reflects the temperature dependence of the magnetic microscopic parameters.

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Gavrilovski, Dragica, Nikola Blagojevic, and Milorad Gavrilovski. "Modeling glass-ceramic enamel properties." Journal of the Serbian Chemical Society 67, no. 2 (2002): 135–42. http://dx.doi.org/10.2298/jsc0202135g.

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The results of an investigation of the chemical and thermal characteristics of glass-ceramic enamels, derived from the Li2O-Na2O-Al2O3-TiO2-SiO2 system obtained by employing the methods of mathematical experiment planning, are presented in this paper. Adequate mathematical models, showing the dependence of the chemical and thermal stability on the chemical composition of enamel systems, after different thermal treatment procedures, were obtained. Based on the testing carried out, it was concluded that in the obtained glass-ceramic enamels the chemical resistance is decreased, but at the same time, the thermal stability is increased, relative to reference coatings.

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