Hossein Aslani

3 Questions 11 Answers 0 Followers

Questions related from Hossein Aslani

What's difference should be considered to prepare a sample surface to test SEM and BSE?

What's difference should be considered to prepare a sample surface to test SEM and BSE? Scanning Electron Microscopes (SEM) and Backscattered electrons (BSE) The BSE test requires a smoother...

03 September 2019 9,739 3 View

Why Powder material for XRD test should be passing the 75 μm sieve?

Why Powder material for XRD test should be passing the 75 μm sieve? The different grain size distributions of powder materials can affect the phase composition derived from the signal?

01 September 2019 4,218 15 View

Is there any the standard for determination of water absorption of the powder such as fly ash?

We have many standards and method for determination of water absorption of the cement paste, mortar and concrete. Is there the standard for determination of water absorption the powder such as fly...

07 August 2019 340 4 View