Balakrishna Palanki

11 Questions 5 Answers 0 Followers

Questions related from Balakrishna Palanki

Is the Graph of E versus Exchange Current Density in electrochemistry correct?

In corrosion studies, if the X axis represents Exchange Current Density and the Y axis represents Equilibrium Potential, is the attached picture correct? The exchange current density is higher...

23 May 2024 7,788 0 View

How can base metal diffusion be prevented into electroplated Nickel in hot service?

Nickel is electroplated onto a metallic component. The component has to perform in hot region. What can be done to minimise base metal diffusion under thermal gradient into the nickel coating?

10 April 2023 2,478 2 View

What is the reason for limiting Lithium in UO2 pellet process?

Impurities that are limited in UO2 fall under different categories, B, Gd etc being neutron absorbers, F, Cl etc being corrosives, excess oxygen being detrimental to thermal conductivity. Why is...

04 January 2022 9,312 1 View

What are the methods for separating the additive gadolinium from uranyl nitrate other than solvent extraction?

Other than the process of liquid liquid solvent extraction, how can gadolinium be separated from scrap mixed oxide of uranium dioxide and gadolinium oxide?

21 October 2021 1,017 3 View

What may be done to prevent molybdenum or TZM boats sticking to each other?

Some use high alumina boats as charge carriers in the conventional pusher type high temperature sintering furnace with reducing atmosphere, while others use molybdenum or its alloys as the charge...

16 December 2020 3,073 0 View

Is Near Infrared (NIR) Spectroscopy suitable for the accurate determination of moisture in UO2 powder?

Traditionally, the Karl Fischer titration has been used for determining the moisture content in UO2 powder samples, for example, as described by Hibbits, 1953 on Google [Attached]. A Metrohm...

26 March 2020 2,446 5 View

What is the relationship between sintering and capillary action?

Capillary forces are said to be driving the process of sintering in compacts from powder metals and ceramics. A column of water rises in a capillary tube, while a column of mercury goes down. The...

04 October 2018 1,059 3 View

What are the ways to increase the solubility of lime in water?

Lime is soluble in water to a small extent forming calcium hydroxide. What methods are available to increase the concentrations of calcium ions and hydroxide ions in aqueous solution?

17 September 2018 2,877 6 View

When oxide ceramics, say alumina or zirconia, are sintered in dry hydrogen, does congruent or non-congruent sublimation of the oxide take place?

When a green pellet of an oxide is sintered, there is a weight loss corresponding to loss of binder and moisture. When oxide ceramics, say alumina or zirconia, are re-sintered in dry hydrogen,...

29 July 2018 8,178 3 View

What changes may occur in properties when a sintered ceramic is re-sintered?

When a green ceramic is subjected to firing, the sintering process is expected to result in shrinkage, densification, reduction in porosity, improvement in strength, hardness and other properties....

25 July 2018 2,146 5 View

By continued heating of a poly crystalline ceramic pellet, can I get a single crystal?

Ceramic powder is pressed into a shape and sintered to get a polycrystalline dense solid. By continued heating the grains grow larger, in order to decrease grain boundary energy, which is a...

21 July 2018 2,215 4 View