Can anyone shares interesting article on the topic of VOCs emission by marine paint?

I am interested in learning on the topic of VOCs emission by marine coating. I have read some articles which claim that VOCs emission does not only emitted during the initial stage of application,...

08 September 2019 7,005 4 View

What is a suitable pure paint binder with no pigment or additive for marine usage?

Greetings, Currently, I am trying to develop a new paint formulation. I already have in mind on what type of pigment and additive that I want to use. The problem is, I do not have a good idea on...

08 September 2019 7,211 6 View

Does salt precipitation or NaCl crystals attach onto a metal or coating accelerate the process of corrosion or coating degradation?

08 September 2019 612 6 View

Have artificial seawater been used for the application in a metal-based container?

To the best of my knowledge, artificial seawater is usually deployed inside a glass or plastic container such as aquarium. My inquiry is, has it ever been used in a metal based container? The...

07 August 2019 4,179 3 View

How does zinc oxide boost or increase the ionic resistance property of a coating exposed to aggressive solution such as seawater?

Can anyone share some answer on the question? I read some articles which said that it boost the coating property but I also found others which said the opposite i.e., that ZnO caused brittleness...

06 July 2019 8,486 4 View

Do you know how to calculate VOC in coating according to this formula?

The data obtained are as follows: W1 = 1.0 g W2 = 8.0 g SA = 10.0 g The formula as in below: Please help me.. I think I should get under 30% from the calculation..

05 June 2019 5,753 3 View

What is the easiest method to determine VOC content in paint or coating?

Greetings, I am looking for a fast and easy VOC content determination method for a coating. Can anyone suggest what method or tools that can be used?

04 May 2019 3,993 4 View

How to give a super hydrophobic property to the coating?

Greetings, I am interested in developing an eco-friendly anti-corrosive and anti-fouling coating for marine vessel protection. During the development, I come across a few idea such as...

03 April 2019 5,037 7 View

Why does a stagnant artificial seawater is much more corrosive than real seawater?

Greetings, Recently I just finish analyzing the impedance data collected on coatings which has been immersed in a stagnant artificial seawater inside laboratory and in real seawater at the beach...

03 April 2019 472 6 View

What is the meaning of negative value of resistance from EIS study?

During the electrochemical analysis (EIS) of my coating for corrosion performance project, I come across a few negative readings from both coating resistance, Cp and charge transfer resistance,...

01 February 2019 3,313 13 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View