12 December 2018 8 7K Report

We need a cheap, water-soluble and heat-shrinking polymer which can be found easily. What polymer or co-polymer could be used?

More Farid Movassagh-Alanagh's questions See All
Can anodizing of stainless steel 304 make its surface non-electrical conductive?

Anodizing of SS304 creates a thick oxide layer on that. Is this layer non-electrical conductive? What thickness should be obtained in order to make the surface non-electrical conductive?

01 January 2021 3,629 4 View

What is an appropriate solution for simultaneously etching nickel and 420 martensitic stainless steel?

I would like to etch a sample made of nickel and 420 martensitic stainless steel. What is the best solution and immersing time for this purpose? In the case of electroetching, what solution,...

06 February 2020 5,884 4 View

How to determine the life time of a conventional nickel electroplating bath (Watts solution)?

Is there any equation to estimate the life time of a nickel electroplating bath (Watts-type solution) based on the concentration of the used salts, current density, deposition time and cathode's...

31 December 2018 3,857 6 View

How to increase the mechanical properties of the electroplated nickel coatings?

I am trying to deposit a pure nickel coating on a stainless steel substrate by means of a conventional electroplating process. But the deposited coatings have not shown an acceptable mechanical...

06 July 2018 2,257 8 View

How to determine the duration of salt spray (salt fog) corrosion test for a thin protective film such as titanium nitride?

I have explored in ASTM-B117 and also ISO-9227 which are two frequently used specifications for salt spray test. However there is not any information about the determination of test duration for a...

02 March 2018 3,990 11 View

Does any one know the price of XPS analysis in US?

How does it calculate? based on the time of testing or the number of samples? 

09 March 2017 7,347 1 View

How to prepare a sample of carbon fiber for TEM analysis?

We have some coated carbon fibers and we want to observe the deposited layer and also if it is possible, its morphology. How can we prepare our sample? Is that enough to cut carbon fibers in short...

02 March 2017 6,963 4 View

What is the main output data of a vector network analyzer (VNA) device?

can a VNA device directly measure the microwave reflection loss (RL) of a material without measuring the S11 and S21 parameters?

03 August 2016 9,678 4 View

Is it possible to use SEM (not FE-SEM) to observe the MWCNTS?

we have a MWCNTs based composite. our MWCNTs are about 30-50 nm in length.

06 July 2016 1,089 5 View

What are the limitations of XRF analyses of coatings?

I have synthesized a thin ceramic coating with a thickness range about 8-10 microns. I need to have an elemental analyse of this coating. Can I use XRF for this purpose? is there any other method?   

16 June 2016 726 2 View

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