Scholarly Literature: Recent submissions

Now showing items 2871-2880 of 3855

Studies on dielectric properties of Al-Zr oxide composites sintered by thermal plasma

Sahu, D.R.; Roul, B.K.; Singh, S.K.; Choudhury, R.N.P. (Materials Letters, 56(5), 2002: 817-821)

High-density sintered product of Al-x-Zr100-x (x= 0, 10, 20,... 100) composites were produced using low-cost extended arc thermal Plasma heating (EATPH) source. Dielectric properties of these samples were studied as a ...
Influence of surface charge on maximizing solids loading in colloidal processing of alumina

Singh, B.P.; Bhattacharjee, S.; Besra, L. (Materials Letters, 56(4), 2002: 475-480)

Stability of concentrated aqueous colloidal alumina powder suspensions with and without dispersant (albumin and dibasic ammonium citrate (DAC)) has been investigated by measuring surface charge at different solids loading ...
Low-temperature synthesis of alpha-alumina from aluminum salt and urea

Mishra, P. (Materials Letters, 55(6), 2002: 425-429)

Studies on low-temperature synthesis of alpha-alumina from concentrated solutions of aluminum salt and urea at low temperature are reported. Characterization studies by both physical and chemical means reveal forination ...
Studies on flocculation and dewatering of kaolin suspensions by anionic polyacrylamide flocculant in the presence of some surfactants

Besra, L.; Sengupta, D.K.; Roy, S.K.; Ay, P. (International Journal Of Mineral Processing, 66(1-4), 2002: 1-28)

This paper reports the results of studies on flocculation and dewatering of kaolin suspensions by anionic polyacrylamide (PAM-A) flocculant in the presence of surfactants. They were namely anionic Sodium Dodecyl Sulphate ...
Preparation of barium hexa-aluminate through a hydrothermal precipitation-calcination route and characterization of intermediate and final products

Mishra, D.; Anand, S.; Panda, R.K.; Das, R.P. (Materials Letters, 56(6), 2002: 873-879)

A high surface area ( 22 m(2)/g) micro-sized (0.3-2 mu) barium hexa-aluminate powder was prepared by the calcination (at 1400 degreesC for 2 h) of hydrothermally prepared precursors of orthorhombic barium carbonate and ...
Flocculation and dewatering of kaolin suspensions in the presence of polyacrylamide and surfactants

Besra, L.; Sengupta, D.K.; Roy, S.; Ay, P. (International Journal Of Mineral Processing, 66(1-4), 2002: 203-232)

Flocculation, as a result of the interaction between non-ionic polyacrylamide polymer (PAM-N) and kaolin surface in aqueous suspension, has been discussed both in the absence and in the presence of surfactants namely, ...
Microstructure and properties of flame sprayed tungsten carbide coatings

Krishna, B.V.; Misra, V.N.; Mukherjee, P.S.; Sharma, P. (International Journal Of Refractory Metals & Hard Materials, 20(5-6), 2002: 355-374)

This article reports on feasibility experiments carried out with oxy-acetylene spray system with various oxygen to fuel ratios using two different tungsten carbide powders and powder feeding methods, to evaluate the newly ...
Polymer adsorption: its correlation with flocculation and dewatering of kaolin suspension in the presence and absence of surfactants

Besra, L.; Sengupta, D.K.; Roy, S.K.; Ay, P. (International Journal Of Mineral Processing, 66(1-4), 2002: 183-202)

The adsorption characteristics of polyacrylamide flocculants on kaolin surface have been studied at 25 degreesC as a function of concentration in the presence and absence of surfactants. The adsorption density of flocculants ...
Optimisation of performance of dispersants in aqueous plasma dissociated zircon suspension

Singh, B.P.; Bhattacharjee, S.; Besra, L. (Ceramics International, 28(4), 2002: 413-417)

Plasma dissociated zircon (PDZ) is a unique product obtained during in-flight dissociation of zircon sand in a plasma reactor. In PDZ, submicron zirconia crystallites are intimately mixed with glassy silica. This paper ...
Mass transfer conditions on a perforated electrode support vibrating in an electrolytic cell

Venkateswarlu, P.; Raj, N.J.; Rao, D.S.; Subbaiah, T. (Chemical Engineering And Processing, 41(4), 2002: 349-356)

The limiting current data are measured at copper microelectrodes fixed flush with the surface of an electrode support-a square perspex plate. The data are obtained by vibrating the electrode support in an electrolytic cell ...

Now showing items 2871-2880 of 3855

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