Sunil Sinhmar

5 Questions 5 Answers 0 Followers

Questions related from Sunil Sinhmar

What is wettability in welding? How it affects friction stir weld joint's performance?

Hi there, Actually, I want to know that what is the need to check the wettability of a FSW joint? Kindly elaborate the term 'wettability' in case of a FSW joint. Thanks in advance.

01 July 2022 5,945 0 View

How to define corrosion potential in simple and easily understandable way?

Hi, 1) Can we define corrosion potential as the potential at which the process of corrosion starts? 2) How to easily describe this term and distinguish from open circuit voltage so that one from...

27 September 2020 4,357 4 View

Most of the time in literature, 1 mV/s scan rate is used instead of standard scan rate (0.166 mV/s) for the potentiodynamic polarization test. Why?

Mostly, 1 mV/s scan rate is used for the potentiodynamic polarization test of the Aluminium alloys in literature. However, according to ASTM, the standard scan rate is 0.1667 mV/s. Does 1 mV/s...

08 May 2020 9,954 3 View

What is the correct unit to represent impedance (ohm.cm2 or ohm/cm2) in electrochemical impedance spectroscopy (EIS) data ?

Some people are using ohm.cm2 and others are using ohm/cm2 as the unit of impedance in their publications for EIS analysis. What is right one to use ? thanks in advance

25 April 2017 626 7 View

How can we identify that a particular intermetallic or precipitate is anodic or cathodic ?

For example - Mg32(Al,Zn)49 is a precipitate in aluminium alloy 7075

08 February 2016 5,526 3 View