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Questions related from Preethi Sudarsan
I'm attempting to tape cast porous ceramics for use in SOFCs. To the ceramic powder, pore former, ethanol, and dispersant solution mixture, I added binders in solid form and ball milled. I deaired...
05 August 2022 6,452 3 View
I have done high temperature impedance measurement for my pellets using 2 methods. 1. Using Platinum mesh alone on both sides of sintered pellet. 2. Pt paste was brushed on both sides of pellet...
22 September 2015 7,064 5 View
Iron, Cobalt, Strontium, lithium are used as sintering aids . The melting point of Strontium oxide is 2,531 °C. However when these elements are used, they are sintered at only 1500°C. How they can...
11 April 2015 2,069 13 View
For the creation of contrast in grain boundary in SEM, i have polished the samples, and kept the sample at 10 degree below the sintering temperature for 15 minutes. But in SEM, there was no clear...
19 March 2015 3,191 2 View
In sol gel method, citric acid is used as chelating agent. After gel formation, the gel is dried to get the powders. In sol gel modified combustion method, the same citric acid is used to form...
23 February 2015 4,369 6 View
I am synthesizing ceria powders using the combustion technique. But the yield is too low. The real output is only 2 grams even if the expected output is 10 grams. The ceria nanopowders fly off...
19 February 2015 6,252 9 View
In research papers, they say silver paste is applied on both sides of the pellet. 1.Whether the silver paste is applied on the entire surface ? If applied on the entire surface, how can one apply...
02 February 2015 8,705 6 View
