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Questions related from Subhasisa Nath
Hi folks, I am trying to measure the dislocation density using XLPA. I am dealing with Ni superalloys. To calculate dislocation contrast factor, I need to calculate the value of q which describes...
07 July 2017 5,323 5 View
Can anyone tell me the approximate value of dynamic yield strength of AISI A2 tool steel? The value doesn't need to be highly accurate. I just need an estimate for A2 tool steel. Any reference to...
06 June 2017 4,615 2 View
I did XRD of both yttria stabilized zirconia (YSZ) and alumina (Al2O3) thin films both of which were found to be amorphous using TEM. The XRD also indicated amorphous nature. However, in YSZ, I...
08 August 2014 6,620 8 View
I was wondering, how does one use image analysis software (e.g. Image J) for separating cracks and pores in a microstructure of thermal spray coating.
08 August 2014 2,224 4 View
For example, yttria stabilized zirconia with tetragonal structure. The XRD of YSZ shows peak splitting at some angles. Why? Another thing why the 1st peak is not showing any splitting (at 30 degree)?
06 June 2014 6,031 5 View
I deposited YSZ films by PLD. What I see that at RT deposition, a maximum thickness was achieved which sharply decreases to the minimum value at 573 K. With increase in substrate temperature...
05 May 2014 1,955 2 View
I have deposited Yttria stabilized zirconia (YSZ) film by pulsed laser deposition at room temperature. The XRD shows formation of amorphous film while the FESEM structure shows columnar grains...
05 May 2014 9,313 2 View
I need to see my oxides thin film samples under TEM. But how to prepare free standing thin films for further processing.
09 September 2013 6,076 12 View
While analyzing XRD of yttria stabilized zirconia (YSZ), I found some peaks at around 73-74. Some peaks were matching with JCPDS database of zirconia. When I saw the literature, I found...
08 August 2013 7,067 16 View
If I have a ceramic coating and I want to measure the thermal conductivity, which thermal diffusivity model should I adopt for calculation? If I have a metallic coating? If I have a composite...
08 August 2013 1,897 4 View
What is the difference between doping and alloying in metallurgy?
08 August 2013 9,108 18 View