How I can measure the contraction and expansion of graphene nano particles reinforced in Copper matrix composite?

I have sintered Copper matrix composite which is reinforced by graphene, since graphene shows negative thermal expansion upto a certain temperature and copper shows positive thermal expansion...

01 February 2018 4,682 1 View

How we can measure the Tensile Strength of a Pellet?

We have a pellet of size 30 mm diameter and 6 mm. thickness,it is a metal matrix composite, how i am supposed to measure the tensile strength of it, by which machine or facility or method it can...

06 July 2017 3,893 5 View

What material balls ,ball size and for what time should we conduct the ball milling operation of PMMA beads or granules to convert it in powder?

i want to convert the PMMA( poly methyl methaacrylate) 2 mm beads into fine powder of 50 micrometre by the means of ball milling what material ball should i use so that it should not react to PMMA...

09 October 2016 8,539 3 View

What are the things to be taken care of while fabricating a composite?

If we want to fabricate a composite to serve a definite purpose,what approach we should have in the selection of its constituents,in the other words how we can estimate the properties of a...

06 July 2016 8,257 10 View

Is there any Mg-Cu based alloy,where Mg is solvent?

If there is any can i have research paper on it and the procedure to make it,along with the properties of it.

06 July 2016 9,277 1 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 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

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