16 Questions 14 Answers 0 Followers
Questions related from Bhasker Soni
Hello, For Gd doped CeO2 (GDC) sintered at 1100 C, I have observed following pattern in the activation energy as derived from Arrhenius plot. Temperature range is 400- 650 C. 3% GDC : 0.82 eV 5%...
20 January 2017 8,960 1 View
Hello, I have synthesized Gd doped CeO2 with Gd concentration of 3, 5, 10, 20%. I have attached the UV-vis absorption spectra for the sample heat treated at 500 C. The average crystallite size is...
27 December 2016 7,043 4 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...
16 October 2016 1,642 3 View
Hello, I have plotted Nyquist plot ( real vs img impedance) in the attached file for a particular temperature. I also have data for different temperatures. I do not have any software for...
10 October 2016 1,425 16 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,
02 October 2016 231 3 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...
13 September 2016 4,473 7 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.
05 April 2016 1,010 3 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...
26 March 2016 2,793 1 View
Hello, Please see the figure below of the print screen of the data received for impedance spectroscopy. How shall I proceed ahead to find out resistance and ionic conductivity from the data ? What...
11 March 2016 7,990 7 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...
23 February 2016 4,671 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...
19 January 2016 163 3 View
I need split Hopkinson pressure bar apparatus in india for compression testing of the aluminum foams at high strain rate. Can any one provide any support ? Regards,
19 January 2016 8,406 5 View
I have performed quasi-static compression on Al open cell foam for 5 different relative densities. The stress-strain curve indicated decrease of yield strength with increasing relative density...
04 January 2016 2,610 9 View
I need Yield strength and elastic modulus of pure aluminum. Please share the link or attachment for the reference paper or book if possible. Regards,
26 November 2015 2,148 2 View
Hello, Is there any standard way of measuring the porosity and density of metal foam ?
14 July 2015 5,581 5 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...
26 June 2015 7,939 2 View
