How the term tensile stress and shear stress defined for 2D materials ?

As we all know, a shear stress, is the component of stress coplanar with a material cross section. But how this term can be used in the context of graphene (or other 2D systems).

04 May 2018 5,223 0 View

How to calculate and plot the charge density difference after the adsorption using Quantum ESPRESSO ?

31 December 2017 7,741 5 View

What is the band gap of PVDF-TrFE and PMMA ?

31 December 2016 4,835 0 View

Is Moore's law still valid ?

Please provide a technical reasoning. If yes, how it's going to affect future technology ?

11 December 2016 5,011 3 View

What is the best way to demote adhesion of thin film on glass substrate ?

I want free-standing film of PVDF-TrFE for application purpose. Thickness of the film is around 25 micrometer. Just for information - PVDF-TrFE film is hydrophobic in nature. How can we modify...

05 June 2016 6,287 3 View

How can one change the jump frequency of an atom?

11 December 2014 1,434 4 View

Can anyone help with why I got 3 intermediate phase instead of 5 in Al-Cu diffusion couple when annealed at 520 C for 3 days and then quench it?

Annealing Temperature- 520 degree centigrade Time - 3 days Got discontinuity at 3 points in plot of Cu(wt%) vs distance (data points collected from EPMA)

09 October 2014 8,783 5 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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 is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 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

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View