Son Thanh Nguyen

7 Questions 52 Answers 0 Followers

Questions related from Son Thanh Nguyen

Could you share the reference intensity ratio (RIR) of nickel?

I'm looking for weight fraction of my ceramic-nickel composite by using XRD. In order to calculate the fraction using RIR method, I need to know the I/Ic ratio of nickel. However, in the database...

12 December 2014 5,001 3 View

Is it true that in a sintered ceramic disk the bulk density of the center part is higher than that of the peripheral part?

I am working with sintering ceramic disks and measuring their bulk density. For measuring density, the disk was cut into fractions (because it is too large to put on the balance), and measured by...

04 April 2014 7,043 5 View

Can you suggest a good release agent for demolding a spacer from a sintered body?

I tried to make a cup-shaped sample with ceramic materials. To do that, I intruded a spacer into the center of the materials powder compact before the sintering process. After sintering, I found...

02 February 2014 3,995 6 View

Which coating technique is the best for EDS analysis (ceramic sample)?

For using FE-SEM-EDS to analyse the composition of a ceramic sample, usually we coat the sample to make it conductive before insert it into FE-SEM. What I'm curious is which coating technique will...

12 December 2013 8,219 14 View

Which solvent is the best for diluting powder in preparation of TEM sample?

To observe powder particles using TEM, we must dilute the powder with solvent (by sonication, mixing, or something), before dropping them onto the TEM grid. What am I curious is which solvent is...

11 November 2013 1,002 15 View

Which is the best way to cut a sample for SEM/EDS analysis?

I have a specimen fabricated by sandwiching a metal foil between two ceramic plates, and heating them over melting point of the metal. Now I would like to investigate the diffusion, or...

10 October 2013 3,532 5 View

Which is a good way to observe the interface between metal and ceramic layers?

I have prepared some sandwich of metal and ceramic layers. Now I would like to observe their interface, especially in atomic level. I am thinking about using FIB to cut out some samples from the...

09 September 2013 4,428 9 View