08 August 2018 1 6K Report

Is the 3 body abrasion wear tester recommended only for metal specimen. Can it be used to test polymer nanocomposite coating applied over metal substrates ? The coating thickness would be under 200 micrometer roughly.

More Muralishwara Kakunje's questions See All
How to remove solvent without the aid of any equipment ?

After preparing epoxy clay nanocomposite using the solution intercalation method, how can the solvent be removed? I do not have a vacuum oven, vacuum pump, degassing equipment, etc. Are there any...

10 November 2019 8,640 2 View

How to remove cured epoxy stain from steel ?

I used hardened steel film applicator to coat epoxy based coating on metal substrates. Due to improper quick cleaning techniques, now there are some left over cured epoxy stains. How do I remove...

08 September 2019 7,839 6 View

How is the efficiency of mixing in Magnetic Stirrer for quantity as low as 20-50 ml ?

I want to mix nano particle in acetone using Magnetic Stirrer. But I require only 20 ml, will the efficiency be good for 20 ml ?

07 August 2019 3,424 4 View

Can Statistically insignificant (P>0.05) result from error in selection of levels or in conduction of experiment ?

In my experiment I used Taguchi's L9 (3 factors 3 levels) orthogonal array and the P values from ANOVA for all the three factors is greater than 0.05. Now I strongly suspect there is association...

06 July 2019 7,552 5 View

Are there any good materials available to learn material characterization using SEM and TEM ?

I want to learn how to prepare specimen before SEM and TEM analysis and also on how to evaluate the image we get from it. The material in my case is a polymer nanocomposite coating.

05 June 2019 3,060 4 View

Which coating technique can be used to coat a circular specimen of diameter 3 mm ?

I want to coat over a small area with the diameter of the circular area being just 3 mm. The coating material is epoxy nanocomposite with a inorganic filler and the material has to be coated over...

01 February 2019 3,583 5 View

Does trimethyl stearyl ammonium contain hydroxyl group ?

Can anyone give me the chemical formula of trimethyl stearyl ammonium ? Does it have hydroxyl group ? It is a quaternary ammonium but does stearyl group indicate that it has an hydroxyl group.

10 November 2018 4,993 4 View

What are the techniques to remove solvent from epoxy nanocomposites ?

Epoxy nanocomposites can be prepared by solution casting method. In order to get rid of the solvents what could be done ?

08 September 2018 6,454 7 View

How can I learn Design of Experiments quickly ?

Is there any book or website that allows you to learn DOE very quickly ? I know that Montgomery is a very good book. But I do not have sufficient time to go through that.

08 September 2018 5,663 0 View

What is the meaning of the word 'optimization' in research ?

I have one output response, say surface hardness of metal matrix. In order to improve that say I incorporate hard particles. By conducting experiments assume that the ideal volume fraction for...

07 August 2018 3,926 15 View

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What techniques can I use to determine the miscibility of polymer blends?

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03 March 2021 4,107 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

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 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

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