Kiana Shirzad

3 Questions 3 Answers 0 Followers

Questions related from Kiana Shirzad

What is the surface charge of copper particles after removal of the surface oxide layer?

I am working with copper nanoparticles. I remove the surface oxide layer with acid and then I dry the particles in vacuum oven. I want to know if there is any partial surface charge after removing...

28 September 2019 433 0 View

How do we choose the observation time for Deborah's number? Can we choose any arbitrary time length? Is it based on the material?

I am doing some relaxation experiments to construct a master curve. I am trying to find Deborah's number for my polymeric system but do not know what I should put as observation time in the...

26 February 2019 4,489 3 View

How much strain (percent deformation) should I apply on a polymer film to measure relaxation time in a DMA experiment?

I am trying to do some stress relaxation experiments on my polymer samples (rectangular films) and I need to know the standard sample dimensions and the percentage of strain that I need to...

25 January 2019 8,676 4 View