Harshal Mehta

5 Questions 6 Answers 0 Followers

Questions related from Harshal Mehta

What can be the possible cause of low value of impedance at lower freqency region in EIS experiments?

I have monitored EIS of inhibitor film-coated carbon steel substrate and found the impedance of this kind of impedance response. What can be the plausible explanation behind the variation in...

05 May 2023 3,047 1 View

Which type coatings can be categorised as conversion coating?

Is the sol-gel coating formed on a carbon steel surface by dip coating its coupon in a chemical bath of HfCl4+ ionic surfactant solution followed by heating at 550 degrees celsius can be named Hf...

11 February 2023 3,450 4 View

Why the Nyquist loop of a coated SS316L is depressed (lower) than the bare sample ?howeve coating is showing lower corrosion rate than bare sample ?

I am performing corrosion studies of 316L Stainless steel surface in Phosphate buffer saline medium. I m taking a bare sample and other with some kind of corrosion resistance coating. Now the...

04 August 2021 4,397 7 View

What interpretation can be given for similar values of anodic and cathodic tafel slopes in corrosion studies?

During calculating the corrosion parameters using tafel extrapolation method what does it mean if the values of anodic and cathodic tafel slopes are coming out same (approx.).

20 May 2019 3,214 3 View

What is the significance of polarization value in corrosion rate analysis in tafel slope?

During the electrochemical estimation of corrosion rate by tafel slope analysis, what information can be drawn from polarization value?

10 April 2019 899 9 View