What is the best pre-treatment to active the glass surface for sol-gel dip coating?

I am trying to dip coat a glass into the sol-gel derived solution. But, the sufficient adhesion is not achieved after drying and annealing. What is the best pre-treatment to active the glass...

07 August 2019 3,490 3 View

What method is used for measuring ZrO2 thermal sprayed coating?

What method is used for measuring ZrO2 thermal sprayed coating?

01 February 2015 5,263 4 View

What is the hardness of Ni3Al?

31 December 2014 4,732 4 View

How can we synthesize amorphous materials by sol-gel?

How can we synthesize amorphous materials by sol-gel?

11 December 2014 7,496 2 View

Why does stacking of fault energy increase with temperature in F.C.C crystals and decrease with temperature in H.C.P crystals?

Why does stacking fault energy increase with temperature in F.C.C crystals and decrease with temperature in H.C.P crystals?

11 December 2014 7,886 2 View

What is the driving force for growth of the particles with the same size in the matrix?

what is the driving force for growth of the particles with the same size in the matrix

11 December 2014 1,101 4 View

Does the protective layer Al2O3 form on the surface of aluminium alloys (such as Al-Zr) like pure aluminium?

Does the protective layer Al2O3 form on the surface of aluminium alloys (such as Al-Zr) like pure aluminium

11 December 2014 6,544 6 View

What is the difference between short range order = 0 and long range order = 0 in disordered alloys?

What is the difference between short range order = 0 and long range order = 0 in disordered alloys

11 December 2014 9,688 8 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

Why am I getting 'Infinity' and 'NaN' in my mixed-mode energy release values?

Hi everyone, I am currently running a mixed-mode simulation of a DCB using a user-defined cohesive zone model (UEL), however, the results I am getting don't make sense. I used the same UEL for...

24 February 2021 4,157 1 View

Why does the sum of reaction forces not match the force component of a Free Body Cut in Abaqus?

I am using Abaqus to simulate a plate with in-plane loading. The boundary conditions allow the right edge to move up and down, the displacements on the left edge are fixed. There is no rotation...

23 February 2021 711 3 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 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 can I obtain Reaction Forces in ABAQUS?

I am trying to simulate a simplified version of a beam resting on 10 points using Abaqus. The solutions I want to obtain are the Reaction Forces in each resting point or area when applying a...

21 February 2021 3,075 2 View

What is difference between In-line transmission (%) and Total transmission (%) value of optically transparent Ceramics?

I am working on transparent/translucent zirconia-based ceramics. In many papers, I have seen that they are reporting both In-line transmission (%) & Total transmission (%) value of...

20 February 2021 9,405 6 View

What cause the beating of this signal?

I am trying to simulate the impact of a sinusoidal force on a Beam, yet I registred this beating signal (Displacement by time). The freaquency of excitation was the same as the first natural...

19 February 2021 5,872 3 View

Small displacement measurement in vacuum?

Hello, I have a question. there is a circular thin foil which vibrates in vacuum, the foil restricted and moves up and down. it is like a diaphragm between two pipes . both sides are in vacuum but...

18 February 2021 8,075 3 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View