What are the manufactures of polymer containing carbon nano tubes ?

What is the best industrial method for manufacturing polymers containing carbon nano-tubes composites materials . if there is any existing companies dealing with such composites , please let me...

31 December 2018 9,817 3 View

What is the best way to deposit graphene sheets on the Cu sheet?

03 April 2016 6,848 6 View

Is there any difference between GNP and graphene ?

if there is a table shows their properties? thanks in advance

11 December 2014 3,754 4 View

Why was the melting temperature of PET in the second heating run (DSC) lower than that obtained from the first run?

Any idea please?

10 November 2014 639 5 View

What do dispersion and distribution of the filler into polymer matrix mean?

10 November 2014 5,355 9 View

What is the tensile modulus of CNTs and GNP?

10 November 2014 8,527 8 View

Why 120 c is usually used for the acid treatment of CNTs?

10 November 2014 7,320 3 View

Why two heating runs usually do in DSC , what is the difference ?

10 November 2014 7,341 5 View

Why do thermoplastic polymer crystallize at all ?

Any help please

10 November 2014 966 1 View

What is the difference between quenching my PET or cooling it slowly?

10 November 2014 3,107 5 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How to assign two different material/section properties in Abaqus(UMAT)?

Hi everyone, I am conducting a non-linear multi-layer pavement structure analysis which is a stress-dependent. So far, I am able to define the nonlinearity for one soil layer for its resilient...

11 February 2021 9,607 3 View

Are there any exception like work hardening in metals elastic limit due to dynamic loading?

The samples made out of spring steel are taken from same lot. The specimens were shaped following heating to forging temperature - Forming- Hardening -Tempering methods. After storage of almost 6...

11 February 2021 952 6 View

How to write cyclic loading in OpenSees?

Hi there, I'm having trouble with adding cyclic loading in OpenSees software. My task is to model a reinforcing bar under cyclic loading and compare the response with the experimental results....

04 February 2021 8,158 1 View