Zobrazeno 1 - 10
of 29
pro vyhledávání: '"B. Narasimha Murty"'
Publikováno v:
Separation and Purification Technology. 240:116491
Pure component thermodynamic models are developed for solvent extraction involving ionic reaction equilibrium for distribution of macro concentrations of zirconium and hafnium between an aqueous phase containing HNO3 and an organic solvent phase cont
Publikováno v:
Journal of Nuclear Materials. 384:190-193
Uranium dioxide powders are made through aqueous chemical route involving precipitation, drying, calcination and reduction. The presence of agglomerates causes powder packing difficulties in the compaction die, and non-uniform and incomplete densific
Publikováno v:
Materials Characterization. 59:871-876
Zirconium metal sponge is compacted into rectangular or cylindrical shapes using hydraulic presses. These shapes are stacked and electron beam welded to form a long electrode suitable for vacuum arc melting and casting into solid ingots. The compact
Publikováno v:
Nuclear Technology. 150:189-195
Nitrogen content, above the specified limit of 75 {mu}g(gU){sup -1}, was encountered in sintered uranium dioxide in the course of its manufacture. The cause was traced to the sintering process, wherein carbon, a degradation product of the die wall or
Publikováno v:
Ceramics International. 29:99-105
Sinterable uranium dioxide powders prepared through the ammonium diuranate route are prone to agglomeration causing difficulty in compaction and sintering. UO2 powder after light (short duration and low ball to charge ratio) attrition has been found
Publikováno v:
Materials Characterization. 49:103-111
Uranium dioxide has been characterized for several years by the well-known BET, Fisher, and other methods. However, it has now been possible to draw new conclusions by combining the common characteristics to arrive at new characteristics. For example
Publikováno v:
Journal of Nuclear Materials. 297:35-42
The concept of coarsening-densification transition temperature (CDTT) has been proposed to explain the experimental observations of the study of sintering undoped uranium dioxide and niobia-doped uranium dioxide powder compacts in argon atmosphere in
Publikováno v:
Powder Technology. 115:167-183
Batch precipitation of ammonium diuranate (ADU) was carried out at various temperatures and at different flow rates of ammonia and their effects on the characteristics of ADU such as the nature of settling, moisture content, ammonia-to-uranium mole r
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 247:329-334
This paper describes a method of calculation of saturated concentration of uranium in TBP, the organic phase obtained in a solvent extraction process in a uranium extraction plant. The calculation utilizes only the other available routine parameter s
Publikováno v:
Powder Technology. 113:132-139
This paper describes a simple means to settle fine particulate uranium dioxide in the grinding sludge water obtained during the centreless grinding operation of cylindrical-sintered uranium dioxide pellets to bring down the level of uranium in the su