How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

How to measure the hardness for PLA & PHAs polymers?

Hello, I am a bit confused on whether to follow ASTM D785 (Standard Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials) or ASTM D2240 (Standard Test Method for...

21 January 2021 7,487 4 View

How to create suspended particles flow and simulate distribution in a chamber using CAD software?

Allow me first to apologize in advance for the long post. I have tried to keep it right-to-the-point as possible!. Objective To simulate suspension of solid particles using CAD software/create...

12 January 2021 6,389 2 View

How to properly purge an injection molding machine?

Hello, We're trying to purge a mini injection molding machine after not using it for a while now. The resin inside is PHA and can be some PLA left over as well. We've tried using a purging...

08 October 2020 4,659 5 View

How we could modeling orthotropic membrane elemnt in SAP2000?

I am trying to model steel plate shear walls in SAP 2000. First I should define an orthotropic steel material and define nonlinear parameter of it ( Stress-Strain curvature) in somehow to neglect...

22 May 2020 4,250 0 View

Hi,What is the names of all organic laser dyes?

Hi,What is the names of all organic laser dyes?

16 April 2020 3,543 11 View

Test aluminium foil If it has traces of rolling oil that could affect the coating adhesion?

I have to work with Aluminium foil (8079alloy- 38 micrometer thickness) , in the last months we encountered an adhesion problem between the aluminium and the coating materials (primer), so I think...

10 March 2020 2,739 10 View

How to calculate the surface area of the nanoparticles mathematically?

Please answer with equations or research that prove this

06 March 2020 7,428 3 View

Diabetes Locus of Control Scale?

Hi everyone. I am conducting a research study to explore the relationship between emotion-related variables such as locus of control and diabetes-related outcomes. However, I am not able to find...

29 February 2020 7,814 3 View

How to determine the initial phase angle in the SRF-PLL?

Dear all, My question is regarding the synchronous reference frame phase-locked loop (SRF-PLL), as discussed in the book "Doubly fed induction machines:Modelling and control for wind energy...

26 November 2019 1,829 5 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

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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View