Search Results - "GNANAM, F. D"

Mullite from clay–reactive alumina for insulating substrate application by Viswabaskaran, V., Gnanam, F.D., Balasubramanian, M.

“…Clay-based mullite was prepared for insulating substrate applications. The clay and reactive alumina are the starting materials for the stoichiometric mullite…”
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Sol-Gel Synthesis and Characterization of Alumina-Calcium Hexaaluminate Composites by Vishista, K., Gnanam, F. D., Awaji, H.

“…Boehmite sol was prepared by hot water hydrolysis of aluminum iso‐propoxide using nitric acid as the catalyst. Calcium nitrate to yield 0–20 vol% calcia was…”
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Influence of MnO and TiO2 additives on density, microstructure and mechanical properties of Al2O3 by SATHIYAKUMAR, M, GNANAM, F. D

“…The effects of MnO and TiO2 additives on the sintering of sol-gel processed alumina were investigated. Sintered density, average grain size and microstructural…”
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The effect of powder processing on densification, microstructure and mechanical properties of hydroxyapatite by Thangamani, Nithyanantham, Chinnakali, Kandasamy, Gnanam, F.D

“…The influence of powder processing and sintering temperature on densification, microstructure and mechanical properties of hydroxyapatite (HAp) ceramics was…”
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Mullitisation behaviour of calcined clay–alumina mixtures by Viswabaskaran, V., Gnanam, F.D., Balasubramanian, M.

“…The mullitisation behavior of three south Indian calcined clays with three different alumina sources has been studied. The calcined clays were ground and then…”
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Initial permeability studies of Ni–Zn ferrites prepared by flash combustion technique by Mangalaraja, R.V., Ananthakumar, S., Manohar, P., Gnanam, F.D.

“…The initial permeability ( μ i) and relative loss factor (tan δ/ μ i) of Ni–Zn ferrite of composition Ni 0.8Zn 0.2Fe 2O 4 prepared by the non-conventional…”
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Electrical and magnetic properties of Ni0.8Zn0.2Fe2O4/silica composite prepared by sol-gel method by Mangalaraja, R. V, Manohar, P, Gnanam, F. D, Awano, M

“…Ultrafine Ni₀.₈Zn₀.₂Fe₂O₄ particles dispersed in silica (SiO₂) matrix are produced by sol-gel method. The powders were subjected to X-ray diffraction to…”
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Effect of strontia on the densification and mechanical properties of sol–gel alumina by Vishista, K., Gnanam, F.D.

“…Boehmite sol was prepared by hot water hydrolysis of aluminum iso-propoxide using nitric acid as the catalyst. Hydrolysis was carried out at 80 °C for 80 min…”
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Effect of MgO, Y2O3 and boehmite additives on the sintering behaviour of mullite formed from kaolinite-reactive alumina by Viswabaskaran, V., Gnanam, F.D., Balasubramanian, M.

“…Reaction sintering of clay and reactive alumina is an innovative as well as cost effective method of mullite formation. In the present investigation, clay…”
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Synthesis of gamma ferric oxide by direct thermal decomposition of ferrous carbonate by Narasimhan, B.R.V, Prabhakar, S, Manohar, P, Gnanam, F.D

“…Ferrous carbonate was precipitated from the reaction of ferrous sulfate and sodium carbonate in an aqueous medium. The precipitate was calcined at different…”
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Low temperature pressureless sintering of sol-gel derived mullite by Amutharani, D, Gnanam, F.D

“…Mullite of stoichiometric composition has been synthesized by sol-gel process. Aluminium nitrate and ethyl silicate are used as the starting materials to…”
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Dielectric behavior of Ni1-xZnxFe2O4 prepared by flash combustion technique by MANGALARAJA, R. V, ANANTHAKUMAR, S, MANOHAR, P, GNANAM, F. D

“…The frequency dependence of dielectric properties such as dielectric constant, and dielectric loss factor, was studied for a series of Ni1-xZnxFe2O4 ferrite…”
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Influence of additives on density, microstructure and mechanical properties of alumina by Sathiyakumar, M., Gnanam, F.D.

“…The effect of di-phasic and multiphasic as an additive on the densification behaviour and microstructure evaluation of alumina has been investigated. Colloidal…”
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Mullitisation behaviour of south Indian clays by Viswabaskaran, V., Gnanam, F.D., Balasubramanian, M.

“…The sintered mullite is produced commercially, using clay and alumina as the source materials. South India has an abundant quantity of high aluminous clay. The…”
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Characterization of Mn0.8Zn0.2Fe2O4 synthesized by flash combustion technique by MANGALARAJA, R. V, ANANTHAKMAR, S, MANOHARA, P, GNANAM, F. D, AWANO, M

“…Mn0.8Zn0.2Fe2O4 was prepared by flash combustion technique. The ferrite powder prepared by this technique was calcined at 900DGC. The uniaxially pressed…”
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Processing of mullite–molybdenum graded hollow cylinders by centrifugal molding technique by Sivakumar, R, Nishikawa, T, Honda, S, Awaji, H, Gnanam, F.D

“…Continuous microstructural graded hollow cylinders were processed and characterized using a developed technique named centrifugal molding technique. Alcohol…”
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Role of deflocculants on the rheological properties of boehmite sol by Vishista, K, Gnanam, F.D

“…The colloidal boehmite precipitate prepared at pH=8.5 was dispersed in aqueous suspensions containing varying concentrations of deflocculants, namely, ammonium…”
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Pressureless sintering of sol-gel derived alumina-zirconia composites by JAYASEELAN, D, NISHIKAWA, T, AWAJI, H, GNANAM, F. D

“…Alumina-zirconia (pure zirconia, 12 mol% ceria stabilized zirconia and 3 mol% yttria stabilized zirconia) composites containing 5, 10, 15, 20 and 25 vol.%…”
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Role of wollastonite additive on density, microstructure and mechanical properties of alumina by Sathiyakumar, M., Gnanam, F.D.

“…Wollastonite is a low fusing material and has a considerable effect on the densification of alumina bodies at sintering temperatures ranging from 1300 to…”
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Direct current resistivity studies of Ni1-xZnXFe2O4 prepared through flash combustion and citrate-gel decomposition techniques by MANGALARAJA, R. V, ANANTHAKUMAR, S, MANOHAR, P, GNANAM, F. D

“…The room temperature direct current (DC) resistivity of Ni1-xZnxFe2O4 (x = 0.2, 0.3, 0.4 and 0.5) prepared by the non-conventional flash combustion and…”
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