21 Questions 15 Answers 0 Followers
Questions related from Bhasker Soni
Hello, I have two questions. 1) Why thermodynamics is important to all branches of science including mechanical, civil, material science, metallurgy, astryphysics etc. ? 2) Which thermodynamic...
04 April 2017 2,826 0 View
Hello, I have synthesized silver nanoparticles using PVA as encapsulating and stabilizing agent. From XRD i could get 25 and 28 nm crystallite size for 400 C and 500 C annealed samples. The...
02 February 2017 7,491 3 View
Hello, I have prepared carbon coated metal nanoparticles. In raman specta I found intensity ration of D and G band (Id/Ig) ratio to decrease from 0.91 to 0.95 with increase in heat treatment...
02 February 2017 6,213 6 View
Hello, I have obtained Gd doped CeO2 nanoparticles. With UV spectra I could find increase in direct band gap values from 3.6 eV to 3.8 eV. Howerver, I was expecting band gap to decrease with...
10 October 2016 10,013 4 View
Hello, I have prepared 3%, 5%, 10% gadolinium doped CeO2 (GDC) and have heat treated it at 400 C, 500 C, and 1200 C. See attached figure for peak shift. I have calculated lattice parameter for all...
10 October 2016 9,915 7 View
Hello everyone, Please look at the attached figure corresponding to Ce3d of gadolinium doped CeO2. I got two peaks positioned at 919.4 eV and 916.1 eV. However, for Ce4+ we get only one peak...
10 October 2016 1,863 7 View
Hello, Please look at the below curve and explain what does the hump in FC-ZFC curve indicates. What if there is no hump in it. Regards,
10 October 2016 7,664 3 View
Hello I want to calculate the amount of Ce3+, Ce4+ and Oxygen concentration in CeO2 sample. I have peak area (after deconvolution) of all. However, I do not know the sensitivity factor which is...
09 September 2016 9,493 8 View
Hello, If I get UV-vis absorption peat at 340 nm for a semiconductor and if I excite the material with 290 nm wavelength, where shall I expect the PL peak in emission spectrum assuming no other...
09 September 2016 8,504 8 View
Hello, I want to obtain X, Y, Z position of atoms for La0.6Sr0.4Fe0.8Co0.2O3 rhombohedral structure. How can I obtain it ? Can anyone help me for it ? I have data for XRD.
04 April 2016 1,416 4 View
Please share any of the JCPDS file for La0.6Sr0.4Fe0.8Co0.2O3 and its X,Y,Z co-ordinates
03 March 2016 5,587 4 View
Hello, I have rectangular open cell Aluminum metal foam. I want to study its application as an heat exchanger. However, I am unable to make the parallel plate connections on its surface...
03 March 2016 3,573 2 View
I want to determine approximate plateau stress from Stress Vs Strain curve (Fig 1) where the stress is not almost constant in plateau region. I have obtained the densification strain using energy...
02 February 2016 3,044 4 View
Hello,In one of the published article the statement was mentioned as below : "After being rinsed in ethanol, the secondary anodized Ti foil was then immersed in 10% H2O2 solution for 12...
02 February 2016 1,685 4 View
Hello, I am having aluminum foams (length = 35 mm) and want to study its compression behavior under dynamic loading with strain rate of 400 s^-1 . What should be the velocity of the crosshead...
01 January 2016 7,161 4 View
I want to know what information can be predicted from the shape of the elastic region in Stress vs Strain curve. For example what does high and low elastic moduli indicate about the material property.
01 January 2016 9,407 0 View
Any International conferences in india or asia having good proceedings/ publication.....!!!
12 December 2015 6,893 0 View
Hello, Can any one tell me what sample size should I use for mechanical properties testing of metal foam? Some have followed sample size of say width (10 times pore size) while some say the width...
06 June 2015 9,003 2 View
I want to know the energy value of electron usually used to get HRTEM image.Is it 200 eV ?
05 May 2015 9,258 2 View
I have DSC data (Temp Vs heat flow). I got one peak on the negative side of heat flow and two peaks on the positive side of it. How do I interpret it and how shall I find enthalpy from it.
04 April 2015 5,975 4 View
I made sintered electrolyte pellet and coated it with platinum using DC sputtering. I measured impedance graph (in range of 500-700 C) using EIS. How shall I proceed for its analysis. How do I...
03 March 2015 6,804 3 View
