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Questions related from Muralishwara Kakunje
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...
11 November 2019 8,718 2 View
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...
09 September 2019 7,937 6 View
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 ?
08 August 2019 3,513 4 View
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...
07 July 2019 7,632 5 View
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.
06 June 2019 3,171 4 View
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...
02 February 2019 3,662 5 View
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.
11 November 2018 5,073 4 View
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.
09 September 2018 5,737 0 View
Epoxy nanocomposites can be prepared by solution casting method. In order to get rid of the solvents what could be done ?
09 September 2018 6,538 7 View
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...
08 August 2018 4,011 15 View
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...
08 August 2018 6,082 1 View
I have organic coating with a nano-material reinforced on to it. The coating thickness in dry condition is around 200 micrometer. Which hardness test among the following is best for research and...
08 August 2018 6,601 5 View
Most of the research papers discuss preparation of epoxy nanocomposite using either solution intercalation or melt intercalation, but not in-situ polymerization. However review papers cite all...
07 July 2018 8,847 4 View
There are different methods to apply coating on to the substrate in a laboratory. Some of them are spray, dip, brush and spin coating; there might be other methods too. How do we make a selection...
06 June 2018 5,947 4 View
There are many concepts in Research Methodology such as Research Paradigm, research approach, rationale of research, hypothesis and its testing, etc.But I haven't seen any of these in research...
03 March 2018 375 1 View
I need to prepare epoxy/clay nanocomposite using sonication method. Among the parameters available in a sonicator for selection, which are the critical parameters that effect dispersion ?...
01 January 2018 4,778 3 View
Exposure to environmental parameters, coating degrade over time. This lead to crack initiation, propagation & delamination. If coating is overheated, it can lead to loss of mass or...
12 December 2017 9,431 7 View
Whiskers are defect free and hence more stronger and stiffer than fibers. But why they are not used widely? what exactly makes their production difficult ?
07 July 2017 2,729 4 View
Weathering test is all about exposing a material to different real world conditions such as dry weather humid weather & UV light. Hygrothermal is related to moisture and heat I guess. But what...
06 June 2017 8,688 3 View
I would like to know the current applications of epoxy coatings. I would also like to know if dispersing clay nano layers in it would suit it to a particular application ? There are lot of...
05 May 2017 7,958 3 View
Provide details as to the range of materials that it can machine with such a low pressure. I know there are machines with 300 MPa, which can be used to drill even Titanium alloys.
08 August 2016 5,632 7 View
Suppose I test sliding wear resistance of a nanocomposite material using a pin on disc tribometer. Now once I get the specific wear rate can I use it to predict the wear rate of the same material...
01 January 1970 5,909 5 View
I want to measure hardness of a polymer based coating using AFM. I have already used Micro-Vickers hardness test, but to substantiate the results and to ensure 'no substrate' effects I want to go...
01 January 1970 8,034 4 View
When I set a load between 100 and 500 grams, I cannot see indentation diagonals clear enough. The diagonals just don't extend from one corner of the pyramid to another or maybe they are not...
01 January 1970 8,639 5 View
