Sami Tehrani

4 Questions 4 Answers 0 Followers

Questions related from Sami Tehrani

How is it possible to have lower wear rate under higher load?

Please could someone suggest that how lower wear rate under higher load can be explained for ceramic specimen under lubricated sliding wear test?

22 April 2017 7,868 6 View

How can I interpret the Raman spectra of alumina and 3Y-TZP?

I have a Raman Spectra of Alumina and 3Y-TZP sintered around 1500 C. The Raman Spectra is showing few small peaks above 1000 cm-1 and one peak around 1650 cm-1. As most literature does not...

27 November 2016 583 2 View

I have noticed the presence of few cracks while looking at optical microscopy. I wonder if anyone has had similar experience?

I have noticed the presence of few cracks while looking at optical microscopy. I wonder if anyone has had similar experience. This sample contains mainly alumina and zirconia and it‘s been...

27 February 2016 3,241 6 View

Does anyone know the lowest possible calcination temperature that citric acid will be completely removed from the material?

I use citric acid as a dispersant ( less than 5% wt) and need to remove it completely before sintering process (SPS) during the calcination. Does anyone know at what temperature and after how long...

21 March 2015 7,915 2 View