How can I coat over polyurethane?

I have a huge substrate made up of polyurethane and I want to have a 1 mm thick coating on it. I have to use something commercially available and can be used on large areas (I am talking square...

10 November 2016 4,112 9 View

Just curious to know, what is the maximum dielectric constant reported for the flexible materials?

09 October 2016 2,464 0 View

How would you calculate the volume density of precipitates in an aluminium alloy?

My friend is struggling with getting to know the volume density of the precipitates in aluminium alloy. In a certain area (Lexp2) you have n number of precipitates, how would you calculate the...

08 September 2016 4,116 4 View

What is the best method of preparation for PVDF-Trfe-Cfe to get highest possible dielectric constant?

For example, what kind of solvent and what kind of processing technique shall be used to get the maximum possible dielectric constant (i.e. 50)

07 August 2016 5,409 8 View

Is there any way of quantifying the second phase by XRD in sintered ceramics?

In XRD, there is a main phase and a slight amount of second phase which can be indexed. How can we quantify the two phases present?

06 July 2013 4,051 35 View

Can anyone explain how to analyze XPS spectra?

I have got XPS spectra and I am trying to anaylyze it. It also involves oxygen. Can anyone tell me what are the useful information that we should look for in XPS spectra? how can we analyze it?

03 April 2013 1,329 10 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

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

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 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

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View