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Review of particle- and fiber-reinforced metakaolin-based geopolymer composites 颗粒增强和纤维增强偏高岭土基复合材料的研究进展
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2017-01-01 DOI: 10.4416/JCST2017-00048
R. A. S. Ribeiro, M. S. Ribeiro, W. Kriven
{"title":"Review of particle- and fiber-reinforced metakaolin-based geopolymer composites","authors":"R. A. S. Ribeiro, M. S. Ribeiro, W. Kriven","doi":"10.4416/JCST2017-00048","DOIUrl":"https://doi.org/10.4416/JCST2017-00048","url":null,"abstract":"Research on reinforced metakaolin-based geopolymers for structural applications is reviewed. Geopolymers have been synthesized using metakaolin produced from kaolinite extracted from several regional soils. Kaolin is converted into metakaolin by calcination from 650 °C up to 800 °C. To obtain higher strength and stiffness, the geopolymer matrix is reinforced with particles and fibers. In addition, synthetic and natural particles and fibers have been used to enhance durability, thermal properties and shrinkage ratio of lighter geopolymer composites. Owing to the unavailability of a standard for processing and testing geopolymer composites, different laboratories use differing procedures, making data comparison very difficult. The promising market of geopolymer composites for the sustainable construction industry would benefit from a uniform standard for laboratory processing and testing. This would contribute to the creation of a large and reliable data bank, and facilitate the manufacture and certification of geopolymeric sustainable construction materials.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"8 1","pages":"307-321"},"PeriodicalIF":0.5,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 46
Extrusion Process for the Manufacture of Beta"-Alumina Solid Electrolyte Tubes 挤压法制备β "-氧化铝固体电解质管
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2017-01-01 DOI: 10.4416/JCST2016-00060
Y. Hu, S. Heavens, J. Blackburn, S. Blackburn
{"title":"Extrusion Process for the Manufacture of Beta\"-Alumina Solid Electrolyte Tubes","authors":"Y. Hu, S. Heavens, J. Blackburn, S. Blackburn","doi":"10.4416/JCST2016-00060","DOIUrl":"https://doi.org/10.4416/JCST2016-00060","url":null,"abstract":"For future stationary energy storage requirements, sodium batteries are potentially suitable candidates owing to their high energy density, proven reliability, high faradaic efficiency and the use of abundant low-cost raw materials. Tubular battery designs require a thin-walled solid electrolyte tube, usually formed from ion-conductive beta′′-alumina ceramic. State-of-the-art manufacturing methods, namely isostatic pressing and electrophoretic deposition, contribute a significant proportion of battery cost, and it is desirable to identify a high-volume low-cost process for the ceramic. Extrusion offers the potential for a rapid low-cost, high-volume production process but requires special development for adaptation to the demands of solid electrolyte production. This paper summarizes recent trials on extrusion as a process for producing beta′′-alumina ceramic electrolyte tubes.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"8 1","pages":"25-30"},"PeriodicalIF":0.5,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Spray freeze granulation of submicrometre alpha-alumina using ultrasonication 亚微米α -氧化铝超声喷雾冷冻造粒
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2017-01-01 DOI: 10.4416/JCST2016-00078
S. Ghanizadeh, P. Ramanujam, B. Vaidhyanathan, J. Binner
{"title":"Spray freeze granulation of submicrometre alpha-alumina using ultrasonication","authors":"S. Ghanizadeh, P. Ramanujam, B. Vaidhyanathan, J. Binner","doi":"10.4416/JCST2016-00078","DOIUrl":"https://doi.org/10.4416/JCST2016-00078","url":null,"abstract":"Granulation is a key factor towards improvement of the flowability of fine ceramic powders to make them suitable for industrial dry pressing. Controlled granulation of fine alumina particles with a primary particle size of ∼ 150 nm was carried out using spray-freeze drying, which led to the production of flowable granules with high crushability. The fracture surface of uniaxially die-pressed green bodies made from granules with density values of ≥ 50%of theoretical showed a uniform microstructure. Sintering experiments were performed using conventional single- and two-stage radiant heating methods followed by density and grain size measurement and characterisation of the final dense compacts to study the efficiency of two-stage sintering in grain growth elimination. The results have been compared with those of alumina bodies prepared using similar suspension by the slip-casting route.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"7 1","pages":"455-462"},"PeriodicalIF":0.5,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Electric-Field-Induced Phase Transition in Mn-Doped (K0.48Na0.48Li0.04)NbO3 Lead-Free Ceramics mn掺杂(K0.48Na0.48Li0.04)NbO3无铅陶瓷的电场诱导相变
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2017-01-01 DOI: 10.4416/JCST2016-00074
H. Mgbemere, G. Schneider, L. Schmitt, M. Hinterstein
{"title":"Electric-Field-Induced Phase Transition in Mn-Doped (K0.48Na0.48Li0.04)NbO3 Lead-Free Ceramics","authors":"H. Mgbemere, G. Schneider, L. Schmitt, M. Hinterstein","doi":"10.4416/JCST2016-00074","DOIUrl":"https://doi.org/10.4416/JCST2016-00074","url":null,"abstract":"In situ applied-electric-field high-resolution X-ray diffraction has been used to study the field-induced response of Mn-doped (K 0.48 Na 0.48 Li 0.04 )NbO 3 (KNN-L) ceramics produced using the conventional mixed-oxide processing route. Ferroelectric domains are observed with transmission electron microscopy with indications of nano-segrega-tion of Mn. Rietveld refinement (FULLPROF Suite) is used to refine the diffraction patterns, and a phase change from orthorhombic symmetry with space group A mm 2 to tetragonal symmetry with space group P4 mm is observed when the applied field exceeds 1.4 kV/mm. Phase coexistence between the two phases is also observed at applied fields between 1.2 kV/mm and 1.3 kV/mm with possible implications of being the coercive field E C value of the sample. A better understanding of the structural behaviour of this type of lead-free ceramics will lead to improvements in their piezoelectric and electromechanical properties.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"8 1","pages":"45"},"PeriodicalIF":0.5,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Facile synthesis and characterization of Mn x Zn 1-x Fe 2 O 4 /activated carbon composites for biomedical applications 生物医学用Mn × zn1 × fe2o /活性炭复合材料的快速合成与表征
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2016-09-01 DOI: 10.4416/JCST2016-00020
J. C. Rios-Hurtado, A. C. Martı́nez-Valdés, J. Méndez, J. C. Ballesteros-Pacheco, E. Muzquiz-Ramos
{"title":"Facile synthesis and characterization of Mn x Zn 1-x Fe 2 O 4 /activated carbon composites for biomedical applications","authors":"J. C. Rios-Hurtado, A. C. Martı́nez-Valdés, J. Méndez, J. C. Ballesteros-Pacheco, E. Muzquiz-Ramos","doi":"10.4416/JCST2016-00020","DOIUrl":"https://doi.org/10.4416/JCST2016-00020","url":null,"abstract":"","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"7 1","pages":"289-294"},"PeriodicalIF":0.5,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Synthesis and Dielectric Properties of Thin-Layered (La,Nd)TiO 2 N Perovskites 薄层(La,Nd) tio2n钙钛矿的合成及其介电性能
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2016-03-01 DOI: 10.4416/JCST2015-00022
J. Ahchawarattaworn, D. Thompson, F. Azough, R. Freer
{"title":"Synthesis and Dielectric Properties of Thin-Layered (La,Nd)TiO 2 N Perovskites","authors":"J. Ahchawarattaworn, D. Thompson, F. Azough, R. Freer","doi":"10.4416/JCST2015-00022","DOIUrl":"https://doi.org/10.4416/JCST2015-00022","url":null,"abstract":"","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"7 1","pages":"39-46"},"PeriodicalIF":0.5,"publicationDate":"2016-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Superhydrophilic ceramic glazes for sanitaryware 卫生洁具用超亲水性陶瓷釉
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2016-03-01 DOI: 10.4416/JCST2015-00024
F. Knies, K. Gajda-Schrantz, C. Aneziris, L. Gauckler, T. Graule
{"title":"Superhydrophilic ceramic glazes for sanitaryware","authors":"F. Knies, K. Gajda-Schrantz, C. Aneziris, L. Gauckler, T. Graule","doi":"10.4416/JCST2015-00024","DOIUrl":"https://doi.org/10.4416/JCST2015-00024","url":null,"abstract":"Based on industrial ZrSiO4 glazes for sanitaryware, a new glaze with photoactive oxides was developed. The development aimed to produce a glaze that is smooth in order to decrease contamination of the ware and increase superhydrophilic wetting behaviour for easier cleanability. The glazes were characterized with profilometry, atomic force microscopy, x-ray diffraction and scanning electronmicroscopy. For reactivity under UV light, the wetting angles in the dark and after irradiation, aswell as the degradationofmethylene blueweremeasured. SampleswithTiO2 showed no improvement in wetting, neither in the dark, nor under UV irradiation. However, compared with the industrial ZrSiO4 tile, the cleaning properties were improved in the case of bulk contaminants likemustard. Evenmore promising resultswere achieved by replacingZrSiO4withZnO.The glazes developed in thiswork showed surface roughness of less than 20 nm and superhydrophilic wetting under UV illumination.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"7 1","pages":"53-64"},"PeriodicalIF":0.5,"publicationDate":"2016-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Estimation of Damage in Refractory Materials after Progressive Thermal Shocks with Resonant Frequency Damping Analysis 基于共振频率阻尼分析的连续热冲击后耐火材料损伤估计
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2016-01-01 DOI: 10.4416/JCST2015-00080
Nicolas Traon, T. Tonnesen, R. Telle
{"title":"Estimation of Damage in Refractory Materials after Progressive Thermal Shocks with Resonant Frequency Damping Analysis","authors":"Nicolas Traon, T. Tonnesen, R. Telle","doi":"10.4416/JCST2015-00080","DOIUrl":"https://doi.org/10.4416/JCST2015-00080","url":null,"abstract":"This work correlates damping measurements and the microstructural changes in refractory castables after these have been exposed to thermal shocks in air. In accordance with DIN EN 993 – 11, refractory samples based on tabular alumina with the addition of partially stabilized zirconia (PSZ) were progressively subjected to thermal shocks in air at different temperatures (750, 850, 950 and 1050 °C). White fused alumina samples were also exposed to the same thermal shocks at 950 °C. Evaluation of the thermal shock damage to the high-alumina refractory castables was based on the dynamic Young‘s modulus and damping characterization data obtained by means of the impulse excitation technique (IET), in accordance with ASTM E1876 – 07. Scanning electron microscopy (SEM) was also performed to enable understanding of the elastic changes in these refractory formulations. The results show that the damping increase in PSZ castables may be explained by crack nucleation and propagation while such phenomena do not occur in WFA castable.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"36 1","pages":"165-172"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70790889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Factors Affecting the Performance of Thermal Barrier Coatings in the Presence of V 2 O 5 and Na 2 SO 4 钒和硫酸钠存在下热障涂层性能的影响因素
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2016-01-01 DOI: 10.4416/JCST2016-00058
Se Finspång Sweden Siemens Industrial Turbomachinery Ab
{"title":"Factors Affecting the Performance of Thermal Barrier Coatings in the Presence of V 2 O 5 and Na 2 SO 4","authors":"Se Finspång Sweden Siemens Industrial Turbomachinery Ab","doi":"10.4416/JCST2016-00058","DOIUrl":"https://doi.org/10.4416/JCST2016-00058","url":null,"abstract":"This study investigates the influence of temperature, salt concentration and thickness on the corrosion resistance of seven YSZ thermal barrier coatings in the presence of V2O5 and Na2SO4. For this ...","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"7 1","pages":"409-416"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70791167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Thermal Shock and Thermo-Mechanical Behavior of Carbon-Reduced and Carbon-Free Refractories 碳还原和无碳耐火材料的热冲击和热力学行为
IF 0.5 4区 材料科学
Journal of Ceramic Science and Technology Pub Date : 2016-01-01 DOI: 10.4416/JCST2015-00081
A. Böhm, J. Malzbender, J. Fruhstorfer, S. Dudczig, C. Aneziris, A. Mertke
{"title":"Thermal Shock and Thermo-Mechanical Behavior of Carbon-Reduced and Carbon-Free Refractories","authors":"A. Böhm, J. Malzbender, J. Fruhstorfer, S. Dudczig, C. Aneziris, A. Mertke","doi":"10.4416/JCST2015-00081","DOIUrl":"https://doi.org/10.4416/JCST2015-00081","url":null,"abstract":"The thermal shock behaviour of novel carbon-reduced refractories with maximum grain size of 1 mm was investigated. A wedge splitting test for small specimen geometries (max. 40 × 40 × 20 mm 3 ) was successfully implemented with different loading configurations to determine “work of fracture” and thermal shock parameters. Additionally, heating-up thermal shock tests were performed with an electron beam facility. The addition of 2.5 wt% ZrO 2 and TiO 2 to Al 2 O 3 refractories appears to improve their thermal shock resistance due to microstructural changes that reduce brittleness and inhibit critical crack growth. However, a phase transition of ZrO 2 affects the properties at elevated temperature. For another pure alumina refractory, no geometry-independent value for the work of fracture could be obtained for the sample geometry used, which is probably related to the formation of a large interaction zone of the fracture surfaces. Al 2 O 3 -C materials with addition of semi-conductive Si and nanoparticles revealed a strong effect of the pressing direction on the work of fracture. However, the thermal shock parameter R’’’’ was hardly affected by the different additives. Furthermore, thermal shock tests using the electron beam facility JUDITH 1 did not indicate any significant differences in the damage pattern of the different Al 2 O 3 -C materials.","PeriodicalId":48807,"journal":{"name":"Journal of Ceramic Science and Technology","volume":"7 1","pages":"155-165"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70790968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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