Academic literature on the topic 'Zirconium silicates'

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Journal articles on the topic "Zirconium silicates"

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Esteban Benito, Heriberto, Ricardo García Alamilla, Juan Manuel Hernández Enríquez, Francisco Paraguay Delgado, Daniel Lardizabal Gutiérrez, and Pedro García. "Porous Silicates Modified with Zirconium Oxide and Sulfate Ions for Alcohol Dehydration Reactions." Advances in Materials Science and Engineering 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/325463.

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Porous silicates were synthesized by a nonhydrothermal method, using sodium silicate as a source of silica and cetyltrimethylammonium bromide as a template agent. Catalysts were characterized using thermogravimetric analysis, N2physisorption, X-ray diffraction, FTIR spectroscopy, pyridine adsorption, potentiometric titration withn-butylamine, scanning electronic microscopy, and transmission electronic microscopy. The surface area of the materials synthesized was greater than 800 m2/g. The introduction of zirconium atoms within the porous silicates increased their acid strength from −42 to 115
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Ferreira, Paula, Artur Ferreira, João Rocha, and Maria R. Soares. "Synthesis and Structural Characterization of Zirconium Silicates." Chemistry of Materials 13, no. 2 (2001): 355–63. http://dx.doi.org/10.1021/cm0007196.

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Rakshe, Bhavana, Veda Ramaswamy, and A. V. Ramaswamy. "Crystalline, Microporous Zirconium Silicates with MEL Structure." Journal of Catalysis 163, no. 2 (1996): 501–5. http://dx.doi.org/10.1006/jcat.1996.0353.

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Hall, Reece, and Jennifer Readman. "EXAFS studies of the metal coordination environments in mixed Ti/Zr silicates." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C1526. http://dx.doi.org/10.1107/s2053273314084733.

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Microporous materials have a wide range of commercial uses from ion-exchangers to catalysts and have been used in the treatment of nuclear waste. The acidity associated with legacy waste pools often limits the effectiveness of these zeolites due to a loss of crystallinity. Microporous titanium silicates display different structural characteristics compared to conventional zeolites. Sitinakite, KNa2Ti4Si2O13(OH)·4H2O and the synthetic niobium doped analogue are being used as ion-exchange materials for the removal of Cs+and Sr2+from nuclear waste . Natisite is a layered titanium silicate with ti
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Kouznetsova, T. F., A. I. Ivanets, and V. S. Komarov. "Low-temperature synthesis of mesoporous M41S metal-silicates and their adsorption and capillary-condensation properties." Proceedings of the National Academy of Sciences of Belarus, Chemical Series 55, no. 3 (2019): 338–44. http://dx.doi.org/10.29235/1561-8331-2019-55-3-338-344.

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Low-temperature synthesis of the mesoporous silicates containing d-metals is carried out. The measured isotherms of low-temperature nitrogen adsorption-desorption by chrome, vanadium and zirconium silicate adsorbents belong to Type IV (b) of sorption isotherms on IUPAC classification. Such isothermal curves are inherent in mesoporous systems with the M41S type of ordering of the making elements. Increasing рН of sedimentation and metal content lead to amorphization of samples and distortion of a supramolecular lattice with uniform regular geometry and a long-range ordering.
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Wilk, G. D., R. M. Wallace, and J. M. Anthony. "Hafnium and zirconium silicates for advanced gate dielectrics." Journal of Applied Physics 87, no. 1 (2000): 484–92. http://dx.doi.org/10.1063/1.371888.

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Adamski, Andrzej, Pawel Jakubus, and Zbigniew Sojka. "Metastabilization of Tetragonal Zirconia by Doping with Low Amounts of Silica." Solid State Phenomena 128 (October 2007): 89–96. http://dx.doi.org/10.4028/www.scientific.net/ssp.128.89.

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Nanocrystalline tetragonal zirconia was obtained from ZrOCl2 via the modified forced hydrolysis method combined with aging of the hydrous amorphous precipitate in the mother liquor at 100 °C for 48 h (pH = 9.3). The role of the precipitation and aging temperatures in the metastabilization of the tetragonal ZrO2 polymorph is discussed in terms of the structural and textural data of the resultant oxide. The influence of low concentrations of silica (0.01 – 0.35 wt. % Si), spontaneously leached from the glass vessel or intentionally introduced to the parent solution, was shown to be a vital facto
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Nandiwale, Kakasaheb Y., Andrew M. Danby, Anand Ramanathan, Raghunath V. Chaudhari, and Bala Subramaniam. "Zirconium-Incorporated Mesoporous Silicates Show Remarkable Lignin Depolymerization Activity." ACS Sustainable Chemistry & Engineering 5, no. 8 (2017): 7155–64. http://dx.doi.org/10.1021/acssuschemeng.7b01344.

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Lin, Zhi, João Rocha, Paula Ferreira, Alan Thursfield, Jonathan R. Agger, and Michael W. Anderson. "Synthesis and Structural Characterization of Microporous Framework Zirconium Silicates." Journal of Physical Chemistry B 103, no. 6 (1999): 957–63. http://dx.doi.org/10.1021/jp983708x.

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Sepehrian, Hamid, Syed Waqif-Husain, Javad Fasihi, and Mohamad Khayatzadeh Mahani. "Adsorption Behavior of Molybdenum on Modified Mesoporous Zirconium Silicates." Separation Science and Technology 45, no. 3 (2010): 421–26. http://dx.doi.org/10.1080/01496390903423519.

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Dissertations / Theses on the topic "Zirconium silicates"

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Quevedo-Lopez, Manuel Angel. "Materials properties of hafnium and zirconium silicates: Metal interdiffusion and dopant penetration studies." Thesis, University of North Texas, 2002. https://digital.library.unt.edu/ark:/67531/metadc3221/.

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Hafnium and Zirconium based gate dielectrics are considered potential candidates to replace SiO2 or SiON as the gate dielectric in CMOS processing. Furthermore, the addition of nitrogen into this pseudo-binary alloy has been shown to improve their thermal stability, electrical properties, and reduce dopant penetration. Because CMOS processing requires high temperature anneals (up to 1050 °C), it is important to understand the diffusion properties of any metal associated with the gate dielectric in silicon at these temperatures. In addition, dopant penetration from the doped polysilicon gate in
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Valero, Rémi. "Mécanismes de la synthèse hydrothermale du zircon." Mulhouse, 1997. http://www.theses.fr/1997MULH0501.

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La synthèse hydrothermale du zircon a été principalement envisagée à partir d'un gel de zircone, élaboré à partir de l'oxychlorure de zirconium et d'une silice amorphe de type Aérosil 130 (Dégussa). La première partie du travail concerne l'étude du milieu de synthèse et en particulier l'étude de la solubilité des précurseurs en fonction du pH. A pH acide, les gels de zircone et de silice présentent des solubilités beaucoup plus importantes que le zircon, ce qui laisse entrevoir une possibilité de cristallisation. Toutefois, le gel de zircone étant deux fois plus soluble que la silice amorphe,
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Ben, Allal Laïla. "Préparation et caractérisation de silicates hydratés de lanthane, thorium, zirconium et aluminium en relation avec le problème de l'altération par l'eau de verres contenant ces éléments." Dijon, 1992. http://www.theses.fr/1992DIJOS020.

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Ce travail a permis de mettre en évidence l'influence de différents facteurs tels que le pH, le rapport molaire SiO2/K2O, le sens de mélange des réactifs sur la nature et la composition de silicates et polysilicates de différents éléments polyvalents. Ces éléments ont été choisis, dans le cadre d'un contrat avec le C. E. A. , pour leurs propriétés chimiques proches de celles de certains radionucléides : ce fut le cas pour le lanthane et le thorium ou en raison de leur présence dans la fritte, comme le zirconium et l'aluminium, lors de la fabrication des blocs de verres incluant ces éléments et
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Lomenech, Claire. "Etude mécanistique de l'interaction des ions uranyle avec l'oxyde et le silicate de zirconium." Paris 11, 2002. http://www.theses.fr/2002PA112098.

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Ce travail de thèse porte sur l'étude structurale et thermodynamique de l'adsorption des ions uranyle sur le silicate et l'oxyde de zirconium. La démarche adoptée a consiste à coupler à une approche macroscopique classique, une approche structurale microscopique de l'interface, permettant une définition expérimentale des équilibres de sorption, utilisée pour contraindre le code de calcul lors de la simulation des données thermodynamiques. Après la caractérisation de la surface des matériaux, l'étude thermodynamique a été réalisée pour différentes concentrations initiales des ions uranyle, diff
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MATSUI, JEFERSON M. "Estudo de degradação a baixa temperatura de cerâmicas Y-TZP/Al2O3 sintetizadas por coprecipitação." reponame:Repositório Institucional do IPEN, 2017. http://repositorio.ipen.br:8080/xmlui/handle/123456789/28024.

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Submitted by Pedro Silva Filho (pfsilva@ipen.br) on 2017-11-17T17:43:50Z No. of bitstreams: 0<br>Made available in DSpace on 2017-11-17T17:43:50Z (GMT). No. of bitstreams: 0<br>A zircônia tetragonal estabilizada por ítria (Y-TZP) têm sido utilizada na área odontológica para próteses livres de metais devido à estética associada ao alto desempenho mecânico. Porém, a presença de ambiente úmido pode causar a transformação acelerada da fase tetragonal para monoclínica e consequente falha catastrófica deste material, processo este conhecido como degradação a baixa temperatura ou envelhecimento. A c
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Riquieri, Hilton. "Impacto do processo de cristalização na microestrutura e na resistência à flexão de cerâmicas de silicato de lítio reforçadas por zircônia." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/152526.

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Submitted by HILTON RIQUIERI null (hilton.riquieri@terra.com.br) on 2018-01-11T19:29:07Z No. of bitstreams: 1 Tese Impressão 11-01-18.pdf: 5465220 bytes, checksum: 6c44956d0ac81de9008cdd4833458455 (MD5)<br>Approved for entry into archive by Silvana Alvarez null (silvana@ict.unesp.br) on 2018-01-18T15:27:03Z (GMT) No. of bitstreams: 1 riquieri_h_dr_sjc.pdf: 5445301 bytes, checksum: bf194667a00b4990a467e32526c3cdb9 (MD5)<br>Made available in DSpace on 2018-01-18T15:27:03Z (GMT). No. of bitstreams: 1 riquieri_h_dr_sjc.pdf: 5445301 bytes, checksum: bf194667a00b4990a467e32526c3cdb9 (MD5) Pre
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Ramos, Aline. "Nucleation et croissance cristallines dans un verre sio::(2)-al::(2)o::(3)-li::(2)o : etude par microscopie electronique a haute resolution et absorption des rayons x." Paris 6, 1988. http://www.theses.fr/1988PA066504.

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Etude des premieres etapes de la cristallisation dans un verre du systeme sio::(2)-al::(2)o::(3)-li::(2)o(mgo) dans lequel de faibles quantites de titane et de zirconium sont introduites comme elements nucleants
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Silva, Edegar Ozorio da. "Estudo das propriedades de troca ionica de silicofosfato de zirconio (IV)." [s.n.], 1988. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249714.

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Orientador : Yoshitaka Gushiken<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-07-16T15:52:26Z (GMT). No. of bitstreams: 1 Silva_EdegarOzorioda_M.pdf: 2818487 bytes, checksum: 77f58701b3a1d20b2dba75df7e5995b8 (MD5) Previous issue date: 1988<br>Mestrado
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McBride, Sean Patrick. "Using Perturbed Angular Correlation Spectroscopy to Characterize the Dependencies of Phase Transitions on Impurity Levels in Synthetic Hafnium Silicate and Synthetic Zirconium Silicate." Miami University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=miami1121872817.

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Rambo, Matthew P. "Study of ZrSiO4 phase transition using perturbed angular correlation spectroscopy." Connect to this document online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1109871239.

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Thesis (M.S.)--Miami University, Dept. of Physics, 2005.<br>Title from first page of PDF document. Document formatted into pages; contains [1], vii, 55 p. : ill. Includes bibliographical references (p. 53-55).
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Books on the topic "Zirconium silicates"

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Wet, D. J. De. Corrosion mechanisms of zirconia-yttria thermal barrier coatings in the presence of molten silicate debris. UMIST, 1995.

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Jull, Susan. The mechanism of formation of zirconium silicate in the high temperature solid state reaction Zro2 . 1986.

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Book chapters on the topic "Zirconium silicates"

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Blanton, T., D. Chatterjee, D. Majumdar, and S. Ghosh. "A Novel Method for the Generation of Zirconium and Magnesium Silicates Using Smectite Clays." In Ceramic Transactions Series. The American Ceramic Society, 2012. http://dx.doi.org/10.1002/9781118380925.ch5.

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Chukanov, Nikita V., Anatoliy I. Kazakov, Vadim V. Nedelko, et al. "Kinetics and Mechanisms of Cation Exchange and Dehydration of Microporous Zirconium and Titanium Silicates." In Minerals as Advanced Materials II. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20018-2_16.

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Xi, Xiao Qing, Jin Long Yang, Xin Yue Zhang, and Xiao Ouyang. "Effect of Micro-Pores after Sintering on Wear Behavior of Zirconium Silicate Composite Microbeads." In Key Engineering Materials. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-410-3.1439.

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Xie, Youtao, Paul K. Chu, Xuan Yong Liu, and Chuan Xian Ding. "Improve Stability of Dicalcium Silicate/Zirconia Composite Coatings by Post-Spraying Heat Treatment." In Solid State Phenomena. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/3-908451-12-4.141.

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Rocha Pereira, Gabriel Kalil, Marília Pivetta Rippe, and Luiz Felipe Valandro. "New Materials for CAD/CAM Systems: Resin-Based Composites, Polymer-Infiltrated Ceramic Network, Zirconia-Reinforced Lithium Silicate, and High Translucent Zirconia." In Esthetic Oral Rehabilitation with Veneers. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41091-9_8.

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Öhrström, Lars. "Diamonds are Forever and Zirconium is for Submarines." In The Last Alchemist in Paris. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199661091.003.0011.

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The appearance of a diamond engagement ring in the long and convoluted love story between Botswana’s First Lady Detective, Mma Ramotswe, and the owner and brilliant mechanic of Tlokweng Road Speedy Motors, Mr J. L. B. Matekoni, seems to signal an end to this particular sub-plot, stretching over several volumes of Alexander McCall Smith’s bestselling and original series of crime novels (that we met in Chapter 1). However, a slight problem involving cubic zirconia is discovered, and the story lingers on until the next book in the series. Similar names for elements and their compounds are a nuisance in chemistry, but oft en arise historically, and zirconium is just one such example. Apart from the pure metal we have zircon and zirconia, all three of which have important applications. Zircon is zirconium silicate, with the formula ZrSiO4, and cubic zirconia is a special form of zirconium dioxide, ZrO2. The latter, as you may have guessed, is an excellent diamond substitute in, among other applications, engagement rings. We are not going to dwell on the details of the element zirconium, but you should know that within the Periodic Table it is located in the large middle chunk called the transition metals. You have probably heard of its cousin titanium, immediately above it, and a sibling, hafnium, straight down the ladder. Why do I call them siblings? Because in the Periodic Table elements in the same column tend to have similar chemical properties. In particular, in the family of transition metals in the central section containing 27 elements—each with a number of properties in common—the two lower elements in each column tend to be the most similar. The similar chemical properties of zirconium and titanium means that we can usually find zirconium where we mine the much more plentiful titanium, and also that once we have separated the titanium from zirconium there will be a small quantity of hafnium trailing along—an impurity that is much harder to get rid of. The sleek jeweller in Gaborone will not care if his fake diamonds contain trace levels of HfO2 mixed with the ZrO2.
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"Zirconium Silicate." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_101203.

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Havrda, M., K. Voleník, J. Wagner, and P. Mräz. "LASER TREATMENT OF PLASMA SPRAYED ZIRCONIUM SILICATE COATINGS." In Advances in Thermal Spraying. Elsevier, 1986. http://dx.doi.org/10.1016/b978-0-08-031878-3.50062-9.

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Rakshe, Bhavana, and Veda Ramaswamy. "Synthesis and characterization of zirconium silicate molecular sieves of MEL type using two different zirconium sources." In Recent Advances In Basic and Applied Aspects of Industrial Catalysis, Proceedings of 13th National Symposium and Silver Jubilee Symposium of Catalysis of India. Elsevier, 1998. http://dx.doi.org/10.1016/s0167-2991(98)80288-7.

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Redkina, A. V., and N. D. Konovalova. "DEVELOPMENT OF VANADIUM OXIDE ZIRCONIUM SILICATE CATALYST FOR REACTION OF PROPANE DEHYDROGENATION." In MODERN ENGINEERING RESEARCH: TOPICAL PROBLEMS, CHALLENGES AND MODERNITY. Izdevnieciba “Baltija Publishing”, 2020. http://dx.doi.org/10.30525/978-9934-588-47-1.19.

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Conference papers on the topic "Zirconium silicates"

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Lucovsky, Gerald, Bruce Rayner, Yu Zhang, Guenther Appel, and Jerry Whitten. "Band Offset Energies in Zirconium Silicate Alloys." In 2002 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2002. http://dx.doi.org/10.7567/ssdm.2002.c-8-1.

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Jagan Singh Meena, Min-Ching Chu, and Fu-Hsiang Ko. "Flexible MIM capacitors using zirconium-silicate and hafnium-silicate as gate-dielectric films." In 2010 IEEE 3rd International Nanoelectronics Conference (INEC). IEEE, 2010. http://dx.doi.org/10.1109/inec.2010.5425076.

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Vinaya, B. C. "Thermal Conductivity of Metal Matrix Composite A356 with Zirconium Silicate (ZrSiO4)." In Third International Conference on Current Trends in Engineering Science and Technology ICCTEST-2017. Grenze Scientific Society, 2017. http://dx.doi.org/10.21647/icctest/2017/48955.

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Li, Jinpeng, Lulu Qin, Rui Guo, and Hongwei Sun. "Effects of Quartz and Zirconium Silicate on the Sintering Property of Magnesia Calcium Materials." In The 3rd International Conference on Machinery, Materials Science and Energy Engineering (ICMMSEE 2015). WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814719391_0039.

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Dhaneswara, Donanta, Al Fauzan Jannatunnaim Yasfi, and Agy Randhiko. "Study of effect partial substitution zirconium silicate and aluminum oxide filler as refractory filler for aluminum casting." In PROCEEDINGS OF THE 3RD INTERNATIONAL SEMINAR ON METALLURGY AND MATERIALS (ISMM2019): Exploring New Innovation in Metallurgy and Materials. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001915.

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Ridzwan, Hendrie Johann Muhamad, Roslinda Shamsudin, Hamisah Ismail, Mohd Reusmaazran Yusof, Muhammad Azmi Abdul Hamid, and Rozidawati Binti Awang. "Compressive strength and magnetic properties of calcium silicate-zirconia-iron (III) oxide composite cements." In THE 2017 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the University Kebangsaan Malaysia, Faculty of Science and Technology 2017 Postgraduate Colloquium. Author(s), 2018. http://dx.doi.org/10.1063/1.5027921.

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Lee, Yin-Wen, Jiun-Shin Chang, Shyamal Das, Anirban Dha, Mrinmay Pal, and Mukul Chandra Paul. "Efficient Er3+-doped Fiber Laser Based on Nano-engineered Yttria Stabilized Zirconia Alumino Silicate Fiber." In CLEO: Science and Innovations. OSA, 2016. http://dx.doi.org/10.1364/cleo_si.2016.sm2q.7.

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Ravindran, Charishma, Anitha Panayam Parambil Kunnathulli, and Jitha Kunhikrishnan Maniath. "Zirconium phospho silicate doped cross-linked PVA-PSSA membrane for the adsorptive removal of methylene blue, Rhodamine B and malachite green dyes from aqueous solutions." In 16TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-16). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0029952.

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Mock, Clara, Michael J. Walock, Andrew Wright, et al. "Rare-Earth Oxides Blended With Yttria-Stabilized Zirconia Thermal Barrier Coatings for Improved Resistance to Sand Adherence and Calcia-Magnesia-Alumino-Silicate (CMAS) Infiltration." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90395.

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Abstract Military rotorcraft are particularly susceptible to engine damage from environmental particulates. While inertial particle separators are efficient at removing large particles, fine particulates (75 μm or smaller) are still entering the engine. Once into the hot-section, these fine particulates melt, impinge the hot-section components, and solidify as calcia-magnesia-alumina-silicate (CMAS) glasses. Infiltration from these glassy deposits can significantly reduce component lifetimes through the loss of strain tolerance and increased thermal conductivity within the thermal barrier coat
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John, G., and T. Troczynski. "Surface Modification of Thermal Sprayed Coatings." In ITSC 1996, edited by C. C. Berndt. ASM International, 1996. http://dx.doi.org/10.31399/asm.cp.itsc1996p0483.

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Abstract Thermal sprayed coatings are frequently used in corrosive environments, even when their major purpose is to provide wear or thermal resistance, rather than corrosion resistance. This includes Thermal Barrier Coatings (TBC), where high porosity is a desired feature to give good thermal protection. However, as this proves to be a limiting factor in the corrosion protection, a trade off is involved. This is because the interconnected porosity in TBCs allows the corrosive media to reach the coating-substrate interface, which eventually leads to delamination of the coatings. This work addr
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