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

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

Which are the journals to be considered for publishing research articles on Composite Materials?

11 December 2015 7,902 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View