Lounis Djenaoucine

10 Questions 4 Answers 0 Followers

Questions related from Lounis Djenaoucine

How to fit a slope in the Nyquist plot of the impedance data ?

Dear colleagues, I am conducting an electrochemical impedance spectroscopy (EIS) analysis of a system using Metrohm Autolab. I need to fit a line to the Nyquist plot of the impedance data, but I...

20 September 2023 887 2 View

Discrepancy in Polarization Resistance Measurements for Steel Bars Embedded in Concrete: Seeking Insights?

Hello everyone, I'm currently studying steel bars embedded in concrete and conducting electrochemical measurements to analyze their corrosion behavior. I have used Linear Polarization Resistance...

02 June 2023 9,707 1 View

How to convert the CPE unite from μΩ*s^n to μF (faraday)?

Hello everyone; In the electrochemical measurements using mtrohm autolab, I get information about the corrosion intensity Icorr and the corrosion potential Ecorr and CPE (constant phase element),...

30 March 2023 8,021 2 View

There could be invisible or transparent corrosion on the rebar ?

Hello, For the purpose of studying the effect of graphene oxide on the durability of concrete specimens embedded with steel bars. cylindrical specimens manufacturated were subjected to corrosion...

13 December 2022 6,355 3 View

Does the shape (morphology) of the Portlandite (CH) affect the mechanical strength?

Hello dear researchers; As it is well known that the main product that contribute to the improvement of the mechanical strength of cementitious materials is C-S-H gels, that is, the more gels are...

05 December 2022 8,973 0 View

Relationship between the C-S-H specific surface area and the hydration degree of cement ?

Hello dear researchers! I found in my results that the increase in the specific surface area of C-S-H (obtained by BET N2 methode) led to an increase in the hydration degree. Any suggestions or...

15 November 2022 3,610 3 View

Mixing method metakaolin graphene oxide with cement ?

In order to strengthen the cement matrix with combined graphene oxide and metakaolin, in order to their interactions as with cement, I want to inquire if anyone here has a suitable mixing...

30 September 2022 7,184 4 View

Exposing reinforced concrete-Graphene oxide to chloride ions to corrosion of steel reinforcement ?

Hello dear professor and researchers, I have a topic that I want to raise, so in the hopes of finding someone who has some information or has had a similar experiment, the subject is a steel bar...

13 September 2022 1,734 0 View

The relationship between the surface area and the hydration degree ?

Hello what is the relationship between the surface area and the hydration degree of cement? Does the increase in the surface area cause the hydration degree of calcium silicate hydrate C-S-H gel...

21 June 2022 9,305 5 View

Secondary ettringite formation (SEF) and Delayed ettringite formation in cement paste ?

What are the primary causes for the production of Secondary ettringite or delayed ettringite, and is it feasible that the quantity of sulfur existed in the implanted nanomaterial into cement paste...

03 June 2022 5,962 0 View