Fabiola del Carmen Gómez Torres , José Luis Cervantes López , Angélica Silvestre López Rodríguez , Pio Sifuentes Gallardo , Erik Ramírez Morales , Germán Pérez Hernández , Juan Carlos Díaz Guillen , Laura Lorena Díaz Flores
{"title":"Sol–gel/hydrothermal synthesis of well-aligned ZnO nanorods","authors":"Fabiola del Carmen Gómez Torres , José Luis Cervantes López , Angélica Silvestre López Rodríguez , Pio Sifuentes Gallardo , Erik Ramírez Morales , Germán Pérez Hernández , Juan Carlos Díaz Guillen , Laura Lorena Díaz Flores","doi":"10.1016/j.bsecv.2022.05.004","DOIUrl":"https://doi.org/10.1016/j.bsecv.2022.05.004","url":null,"abstract":"<div><p>The nucleation and growth of ZnO nanorods by hydrothermal method onto seed layer deposited onto an ITO/PET substrate. Concentrations of 10 and 15<!--> <!-->mM were used for the synthesis of the seed layer solution, as well as 10 and 15<!--> <!-->mM for the hydrothermal treatment, it is noted that the entire process was carried out at low temperature (<100<!--> <!-->°C). The synthesis of ZnO nanorods was carried out in two stages: (i) A nucleation process, using the sol–gel method to obtain a seed layer; and (ii) a growth process, using the hydrothermal process to promote the perpendicular growth of ZnO nanostructures. The X-ray diffraction (XRD) ZnO results revealed a preferential orientation along the (002) axis, with a wurtzite hexagonal structure. The crystallite size (27<!--> <!-->nm) and Gibbs free energy of the films were calculated, which exhibited a minimum diameter for the nucleation of ZnO nanorods (22 and 30<!--> <!-->nm of the core diameter). The thickness layer is between 200 and 500<!--> <!-->nm. These results indicate that ZnO nanorods with an average diameter between 50 and 195<!--> <!-->nm are obtained, oriented perpendicularly to the ITO/PET substrate, synthesized by a low temperature process. Their potential applications are in power generators and sensors.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 4","pages":"Pages 348-356"},"PeriodicalIF":3.4,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49801246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Actualización de los indicadores bibliométricos del Boletín","authors":"Amador C. Caballero (Editor Jefe)","doi":"10.1016/j.bsecv.2023.07.002","DOIUrl":"https://doi.org/10.1016/j.bsecv.2023.07.002","url":null,"abstract":"","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 4","pages":"Page 303"},"PeriodicalIF":3.4,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49801249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Peyman Safarzadeh Kermani , Mojtaba Ghatee , John Thomas Sirr Irvine
{"title":"Characterization of a barium–calcium–aluminosilicate glass/fiber glass composite seal for intermediate temperature solid oxide fuel cells","authors":"Peyman Safarzadeh Kermani , Mojtaba Ghatee , John Thomas Sirr Irvine","doi":"10.1016/j.bsecv.2022.05.001","DOIUrl":"https://doi.org/10.1016/j.bsecv.2022.05.001","url":null,"abstract":"<div><p>The properties of BaO–CaO–Al<sub>2</sub>O<sub>3</sub>–SiO<sub>2</sub> (BCAS) glass seal materials reinforced with 5–30<!--> <!-->wt.% glass fiber are investigated. The seals are prepared by solid mixing process. The microstructure and phase content of the samples are studied. Mechanical properties are investigated by Vickers micro-hardness, nano-indentation and compression tests. The thermal properties of the samples are evaluated by conducting a dilatometry analysis. The electrical conductivity and leak resistance of the seal materials are measured at high temperatures. Increasing the amount of glass fiber in the composite samples decreases the magnitude of the thermal expansion coefficient. It is found the addition of just 5<!--> <!-->wt.% of glass fiber (GF5sample) increases the indentation fracture toughness of the seals by ∼280% without impairing other properties. It is also found that the GF5 sample has high electrical resistivity with the activation energy of 63.7<!--> <!-->kJ/mol and very low leak rate of 1.7<!--> <!-->×<!--> <!-->10<sup>−4</sup> <!-->sccm/cm at 750<!--> <!-->°C.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 4","pages":"Pages 304-314"},"PeriodicalIF":3.4,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49896041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ya-Wen Lin , Wei-Hao Lee , Chiao-Ying Chen , Yan-Jun Liu , Wei-Qing Zhang , Mei-Yu Lin , Kae-Long Lin
{"title":"Synthesis of aluminum-mesoporous MCM-41 humidity control material from thin-film transistor liquid crystal display waste glass and sandblasting waste and its application","authors":"Ya-Wen Lin , Wei-Hao Lee , Chiao-Ying Chen , Yan-Jun Liu , Wei-Qing Zhang , Mei-Yu Lin , Kae-Long Lin","doi":"10.1016/j.bsecv.2022.06.003","DOIUrl":"https://doi.org/10.1016/j.bsecv.2022.06.003","url":null,"abstract":"<div><p>The preparation of an aluminum-mesoporous A1-MCM-41 humidity control material (Al-MHCM) by hydrothermally synthesizing a mixture of thin-film transistor liquid crystal display (TFT-LCD) waste glass and sandblasting (SB) waste was studied. The product has a typical mesoporous structure, with a specific surface area of up to 1013<!--> <!-->m<sup>2</sup>/g, the pore size distribution calculated is 3–4<!--> <!-->nm, and the pore volume of 0.97<!--> <!-->cm<sup>3</sup>/g. All the aluminum atoms of the product are in the form of tetrahedral aluminum in the framework, which confirms the successful synthesis of Al-MHCM. Results show that when the hydrothermal synthesis temperature is 105<!--> <!-->°C, the product synthesized from a mixture with a Si/Al molar ratio of 41.8 exhibits excellent performance (91.45<!--> <!-->m<sup>3</sup>/m<sup>3</sup>) in terms of the equilibrium moisture content and moisture adsorption capacity. The results confirm that the equilibrium moisture content of Al-MHCM is better than the rape straw concrete and hemp concrete (9.8–17.8<!--> <!-->m<sup>3</sup>/m<sup>3</sup>), and that of a diatomite/ground calcium carbonate composite aterial (11.7<!--> <!-->m<sup>3</sup>/m<sup>3</sup>). The research results are expected to provide a new technology for synthesizing TFT-LCD waste glass and SB waste into novel high value-added humidity control materials.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 4","pages":"Pages 357-367"},"PeriodicalIF":3.4,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49801247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mario César Pérez Chávez , Janet Alejandra Elías Ángel , Christian Gómez-Solís , Ramón Castañeda-Priego , Héctor René Vega Carrillo , Modesto Antonio Sosa Aquino , Miguel Ángel Vallejo Hernández
{"title":"Gamma-ray shielding features of lithium borate glass doped with Ag, Cd and Zn using Phy-X program","authors":"Mario César Pérez Chávez , Janet Alejandra Elías Ángel , Christian Gómez-Solís , Ramón Castañeda-Priego , Héctor René Vega Carrillo , Modesto Antonio Sosa Aquino , Miguel Ángel Vallejo Hernández","doi":"10.1016/j.bsecv.2022.06.002","DOIUrl":"https://doi.org/10.1016/j.bsecv.2022.06.002","url":null,"abstract":"<div><p>Lithium borate glasses doped with three transition metals: Ag, Cd and Zn were prepared with the melt-quenching method. Dopants concentrations were (Li<sub>2</sub>B<sub>4</sub>O<sub>7</sub>)<sub>(100−x)</sub> (Zn[NO<sub>3</sub>]<sub>2</sub>, CdN<sub>2</sub>O<sub>6</sub>, AgNO<sub>3</sub>) (<em>x</em> <!-->=<!--> <!-->0%, 1%, 5%). Doped glasses were analyzed and their shielding features were determined. The XRD measurements show the amorphous state of the glasses. Fluorescence analysis shows the characteristic emission of Ag, Cd and Zn and their enhancement is explained. UV–vis spectra were recorded in the interval 200–900<!--> <!-->nm, and show the peaks belonging to the plasmon of the three transition metals. The optical energy band gaps were calculated using the Tauc's plot model; also, the refractive index was calculated. Additionally, density (<em>ρ</em>) and molar volume (<em>V</em><sub>m</sub>) were calculated as part of the characterization of the samples. In order to determine the shielding features against gamma-rays the mass attenuation coefficient (<em>μ</em>/<em>ρ</em>)(<em>E</em>), the half value layer (HVL(E)) and the Effective Atomic Number (<em>Z</em><sub>eff</sub>(<em>E</em>)) for photons from 0.015 to 15<!--> <!-->MeV using the Phy-X program.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 4","pages":"Pages 338-347"},"PeriodicalIF":3.4,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49801248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. García-Galán, F.J. Martínez-Vázquez , N. Rebollo-Muñoz, J.M. Montanero, P. Miranda
{"title":"Applicability of near-field electrospinning for the development of TCP-based thin fibres and scaffold 3D printing","authors":"M. García-Galán, F.J. Martínez-Vázquez , N. Rebollo-Muñoz, J.M. Montanero, P. Miranda","doi":"10.1016/j.bsecv.2022.05.003","DOIUrl":"https://doi.org/10.1016/j.bsecv.2022.05.003","url":null,"abstract":"<div><p>A novel method for obtaining ceramic (tricalcium phosphate, TCP) fibres with a small diameter (below 0.1<!--> <!-->mm) is proposed and its potential use in the 3D printing of scaffolds for biomedical applications is explored. An ink consisting of a high solid content (40<!--> <!-->vol%) ceramic slurry in a photocurable resin was prepared and extruded using near-field electrospinning. The influence of the electric potential, flow rate, and distance between tip and collector on the fabrication process in static mode were studied and the role played by unidirectional motion of the collector was also analyzed. A one order of magnitude reduction in the diameter of the jet to around 30<!--> <!-->μm is demonstrated under static conditions, which increased to around 100<!--> <!-->μm when collector was displaced. Continuous fibres were deposited but the slurry spread over the collector. The method was implemented on a DIW system, using in-flight UV light curing to prevent the spreading of the ink upon deposition. The feasibility of the strategy was demonstrated, although challenges remain for the optimization and control of the fabrication process. Nevertheless, these preliminary results suggest this could be a promising alternative to produce 3D ceramic scaffolds for biomedical applications with improved spatial resolution.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 4","pages":"Pages 329-337"},"PeriodicalIF":3.4,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49801251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Controlling the hardness and wear resistance of opaque white glaze by addition of halloysite clay in the composition","authors":"Neslihan Tamsu Selli, Neslihan Basaran","doi":"10.1016/j.bsecv.2022.01.002","DOIUrl":"10.1016/j.bsecv.2022.01.002","url":null,"abstract":"<div><p>The effect of adding 0.1, 0.3, 0.6, 1.0, and 2.0<!--> <!-->wt.% halloysite clay, which calcined and uncalcined form, was studied on the glossy opaque glaze hardness and mechanical properties. Since the most significant disadvantage of opaque glazes is low hardness, halloysite particles with higher toughness were added to glazes to increase this property. Since more stable halloysite tubes were obtained after the calcination process, both calcined and uncalcined halloysite additions were made to see the effect of calcination, and the obtained results were examined. Detailed technological, mechanical and microstructural characterization studies were done on glazed samples. In addition, the change in the melting behavior of the glaze and the glassy phase viscosity of the addition of halloysite was also examined and interpreted considering hot stage microscope analyses. Compared to standard glossy opaque glaze, almost all the halloysite added samples displayed similar optical properties but higher hardness, surface wear resistance, and fracture toughness values. Among the case studies, the 2% halloysite addition by weight (uncalcined and calcined form) showed the highest mechanical properties.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 3","pages":"Pages 243-256"},"PeriodicalIF":3.4,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47325966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fernando Daniel Cortés-Vega, Carlos Montero-Tavera, Jose Martin Yañez-Limón
{"title":"Study of the structural, ferroelectric and dielectric properties of BaTiO3 co-doped with Sn4+ and Cr3+","authors":"Fernando Daniel Cortés-Vega, Carlos Montero-Tavera, Jose Martin Yañez-Limón","doi":"10.1016/j.bsecv.2022.03.002","DOIUrl":"https://doi.org/10.1016/j.bsecv.2022.03.002","url":null,"abstract":"<div><p>In the present work, we studied the effect of Sn<sup>4+</sup> and Cr<sup>3+</sup> doping on the structural, ferroelectric, and dielectric properties of BaSn<sub><em>x</em></sub>Cr<sub><em>y</em></sub>Ti<sub>1−(<em>x</em>+<em>y</em>)</sub>O<sub>3</sub>. The materials were prepared by a combination of high-energy mechanical milling and solid-state reactions. The X-Ray Diffraction (XRD) analysis and Rietveld refinements confirmed the presence of a single tetragonal phase for the pure and doped samples. The SEM study revealed that the microstructure is highly susceptible to the addition of both dopants, causing an evident grain refinement. On the other hand, the addition of Sn<sup>4+</sup> and Cr<sup>3+</sup> had a strong influence on ferroelectric properties, as observed by the pinching of the ferroelectric hysteresis loops. The addition of Sn<sup>4+</sup> increases the remnant and maximum polarization, as the Cr<sup>3+</sup> doping promoted the contrary effect. Co-doping with Sn<sup>4+</sup> and Cr<sup>3+</sup> resulted in a maximum energy storage value of 0.2574<!--> <!-->J/cm<sup>3</sup> with a efficiency of up to 65%, overcoming the values of pure BT. The relative permittivity of all doped samples remained in values of ∼1000, just a little below the permittivity of pure BT.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 3","pages":"Pages 284-291"},"PeriodicalIF":3.4,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49853529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aluisio A. Cabral , Jose M. Rivas-Mercury , Jose R.M. Sucupira , Miguel A. Rodríguez , Antonio H. De Aza , Pilar Pena , Elena Moukhina
{"title":"Effect of the milling conditions on the decomposition kinetics of gibbsite","authors":"Aluisio A. Cabral , Jose M. Rivas-Mercury , Jose R.M. Sucupira , Miguel A. Rodríguez , Antonio H. De Aza , Pilar Pena , Elena Moukhina","doi":"10.1016/j.bsecv.2023.02.003","DOIUrl":"https://doi.org/10.1016/j.bsecv.2023.02.003","url":null,"abstract":"<div><p>Synthetic gibbsite (Al(OH)<sub>3</sub>) was mechanically activated by attrition milling for 24<!--> <!-->h, with various grinding ball-to-powder weight ratios (0, 5, 10, and 20), and characterized by thermal analysis (TG-DSC). Further, we determined the corresponding kinetic parameters using the model-free and model-fitting methods from the Thermogravimetric Analysis (TG) data set. We found that the activation energies provided by both models agree very well. At temperatures higher than 350<!--> <!-->°C, the milled samples (GB5, GB10, and GB20) lose mass very slowly, while the unmilled sample (GB0) decomposes faster. In addition, we demonstrated that the decomposition mechanism of each sample engages multi-step reactions, and the corresponding activation energies change with the increasing milling conditions.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 3","pages":"Pages 292-301"},"PeriodicalIF":3.4,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49853530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Hernández-Cuevas , J.R. Leyva Mendoza , P.E. García-Casillas , I. Olivas-Armendariz , P.G. Mani-González , S. Díaz de la Torre , O. Raymond-Herrera , E. Martínez-Guerra , Y. Espinosa-Almeyda , H. Camacho-Montes
{"title":"Synthesis and characterization of niobium doped bismuth titanate","authors":"G. Hernández-Cuevas , J.R. Leyva Mendoza , P.E. García-Casillas , I. Olivas-Armendariz , P.G. Mani-González , S. Díaz de la Torre , O. Raymond-Herrera , E. Martínez-Guerra , Y. Espinosa-Almeyda , H. Camacho-Montes","doi":"10.1016/j.bsecv.2021.12.002","DOIUrl":"10.1016/j.bsecv.2021.12.002","url":null,"abstract":"<div><p>Pure and niobium doped bismuth titanate ceramics <span><math><mrow><msub><mtext>Bi</mtext><mn>4</mn></msub><msub><mtext>Ti</mtext><mrow><mn>3</mn><mo>−</mo><mi>x</mi></mrow></msub><msub><mtext>Nb</mtext><mi>x</mi></msub><msub><mtext>O</mtext><mrow><mn>12</mn></mrow></msub><mo>(</mo><mtext>Nb</mtext><mo>−</mo><mtext>BiT</mtext><mo>)</mo></mrow></math></span> with <span><math><mi>x</mi></math></span> ranging from 0% to 2% are prepared by sol–gel method. Pellets are sintered by pressureless sintering (PLS) and spark plasma sintering (SPS). Raman spectroscopy indicates distortion in the structure due to the substitution of titanium by niobium. X-ray photoelectron spectroscopy (XPS) displays the Nb integration to the bismuth titanate ceramic structure. X-ray diffraction shows no secondary phases and offers clues about crystallographic texturing due to the SPS technique. The shape and size of the grains are strongly influenced by the niobium added to the system as reported by scanning electron microscopy. Ferroelectric hysteresis loops exhibit the effect of the niobium and the texturing on the ferroelectric behavior. Higher values of remanent polarization are reported for PLS samples. In comparison with PLS, higher values of the relative permittivity are reported for SPS samples due to the non-homogeneous incorporation of Nb.</p></div>","PeriodicalId":56330,"journal":{"name":"Boletin de la Sociedad Espanola de Ceramica y Vidrio","volume":"62 3","pages":"Pages 220-232"},"PeriodicalIF":3.4,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48871107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}