What is the permissible void content percentage (porosity) in the Glass fiber epoxy composites?

I want to know the permissible void content percentage (porosity) in the Glass fiber epoxy composites for different applications. I am using hand lay-up followed by compression molding to prepare...

09 October 2018 5,699 7 View

Why does Flexural strength of nano-polymer composites reduces with increase in nano particles weight percentage?

I got decrease in Flexural strength of nano-polymer composites with increase in nano particles weight percentage. What might be the reason for the same.

06 July 2018 1,451 13 View

Is Flexural strength of Glass fiber - Epoxy composite decrease with increase in Fiber Weight Percentage?

I want to know weather increase in fiber weight percentage decreases the Flexural Strength? if Yes, then what will be the reason.

02 March 2018 2,647 2 View

How to justify the use of Hand lay-up process for preparation of GFRP Composites?

I have chosen the Hand lay-up process for preparation of glass fiber reinforced epoxy matrix composites. Now i want to Justify, why have I chosen the same? What are the parameters/points to be...

10 November 2017 2,540 3 View

How to characterize nanocompistes using XRD and SEM techniques?

I want to check the nanocomposites using XRD and SEM techniques. I want to know, what are the things, i need to note down for above tests and how to do the tests?

11 December 2016 8,801 0 View

Why do adding nano particles into the polymer resin increase the tensile strength?

05 June 2016 2,880 10 View

What are the funding agencies available for research grant for researcher?

02 March 2016 5,401 3 View

Which are the equipment available for Moisture absorption experiments on Composite Materials?

I want to Maintain Relative Humidity and Temperature for testing moisture absorption.. So I need to know about the equipment for the same..

01 February 2016 4,801 5 View

How can I test Composite materials for Fire Retardation or Resistance to Flammability?

01 February 2016 3,461 8 View

Can composites be analysed in Ansys?

01 February 2016 8,825 4 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 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

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

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I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View