What are the suitable solvents for the ABS and PLA?

01 February 2015 5,063 7 View

What is the color of Al2O3 particles in an Al matrix composite in an image from a SEM?

06 July 2014 8,031 21 View

How can I disperse Al2O3 powder in molten Al A356 in compo-casting method?

Al2O3 particles don't have wettability with molten Al. They float on the surface of the molten without any change in structure of particles.

31 December 2013 4,970 7 View

Is it necessary to do heat treatment Al2O3 particles in inert gas to improve wettability of Al2O3 powder in molten Al ( compo-casting method )?

I want to know that i can do heat treatment Al2O3 particles ( 900 deg for 2 hrs ) without inert gas ? because i don't have this instruments for inert gas in the furnace.

31 December 2013 4,102 6 View

How can we inject Mg powder into molten Al in compo-casting method?

I'm working on MMCs with Al2O3 reinforcing particles in Al matrix. In articles it is mentioned that for better wettability of Al2O3 with molten Al it's effective to add Mg powder. How can I avoid...

31 December 2013 346 1 View

What is the dynamic recrystallization temperature of Al A356?

Al A356

31 December 2013 7,314 2 View

Why do Al2O3 particles not disperse in molten Al A356 matrix?

I did several experiments for dispersion of Al2O3 particles in molten Al A356 matrix but I couldn't catch any results, heat treatment of Al2O3 in 900 deg for 2 hrs and another experiment in 400...

31 December 2013 6,832 5 View

How could we dissolute Al2O3 particles in Al A356 molten?

According to articles I've added 5 percent alumina to molten (aluminum) but the amount of dissolution were low and it were exposed a lot of powders on the surface of the molten. I can't...

11 December 2013 520 8 View

How I can install catia V5R21 in Windows 8.1?

I've tried more than once but I can't install that. Does anyone have an idea why this keep happening?

10 November 2013 7,095 8 View

Does chemical reaction occur between steel and aluminum molten? If yes, how much is it? How can the amount of reaction be reduced?

I chose the steel for impeller. Production aluminum matrix composite reinforced with ceramic particles by stir casting.

08 September 2013 9,105 8 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 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

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

What is a good reagent for lentiviral plasmid transfection in HeLa cells?

I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.

24 February 2021 1,633 4 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View