Ehsan Allahyari

8 Questions 5 Answers 0 Followers

Questions related from Ehsan Allahyari

In XPS high-resolution spectra, may exist 2p3/2 peak but doesn't exist 2p1/2 peak?

Hi. In my XPS spectra of Co, doesn't exist 2p1/2 peak. But I can see 2p3/2 peak. Is this possible? If possible, what is the reason? Thank you

31 March 2024 8,630 2 View

Why distance and position reference electrode is important?

In a corrosion test (for example PDP) in solution (not soil!), if reference electrode be above of working electrode is better or down? Why? What is effect of distance between reference electrode...

25 March 2023 6,538 3 View

Can anyone provide me with some technical documents?

I need to these documents. Can anyone send me these? NAVSEA SG350-AD-MMC-010 NAVSEA T9633-AT-DSP-010

25 March 2023 4,936 0 View

What is brown cream phase in this picture?

In the ferrosilicon produce process, this pase is formed on the ferrosilicon . What is it?? What is the chemical composition?

29 July 2022 10,008 1 View

Why does become ferrosilicon powdered after production?

We produce ferrosilicon used by submerge method. In this method we use silicon, carbon and iron oxide. W have a problem. 18 hours after end of produce, ferrosilicon become powder. Why? How can I...

26 January 2022 7,881 3 View

Do nickel coating of zirconia particles improve corrosion resistance?

In a composite Ni-20%Cr/ZrO2, ZrO2 particles coated with Ni electroless. In this composite for corrosion resistance,what is expected? Do nickel coating of zirconia particles improve corrosion...

19 August 2018 3,925 6 View

Why different between Ecouple obtain from Tafel lines and obtain from polarization curve in Galvanic corrosion?

For obtain E(couple) and i(couple) in galvanic corrosion, in theorical should Tafel lines sum together. But if measurment is by device, polarization curves should sum thogether. Which result is...

03 May 2016 6,202 5 View

Electrode potential is Thermodynamics parameters? or kinetics?!!

What is true?Kinetics or thermodynamics. please design a exprement for show it.

25 February 2016 6,144 4 View