What is the melting point of Al4Si?

The formation of Al4Si intermetallic phase was detected by XRD analysis due to the addition of Al as a sintering aid in an ultrahigh temperature ceramic composite. I want to know the melting...

09 October 2018 6,934 6 View

Minimum temperature needed for the progress of { V + C = VC } reaction?

What is the ignition (minimum required) temperature for the direct synthesis of Vanadium Carbide (VC) using Vanadium and Carbon (Graphite) elements?

31 December 2017 5,316 2 View

Does anyone know about the coefficients of thermal expansion of HCP single crystal ceramics?

02 March 2015 7,487 3 View

Can the mismatch in the coefficients of thermal expansion lead to the formation of stress during the sintering?

Can the mismatch in the coefficients of thermal expansion at "a" and "c" directions of a hexagonal structure lead to the formation of stresses at the grain boundaries of poly-crystal ceramics...

02 March 2015 1,358 10 View

What is the mechanism of thermal etching in ceramics?

I have used the thermal etching method (vacuum atmosphere) for detection of grain boundaries. I would like to know which mechanisms or phenomena can lead to the appearance of grain boundaries? Do...

02 March 2015 7,910 7 View

What is the nature of chemical bonding of ZrB2?

I need the exact nature of chemical bonding of ZrB2. I think it is mainly covalent, however, is there any reference or an exact database about he percentage of covalent or ionic bondings?

02 March 2015 4,471 12 View

How can I use micro-hardness (Indentation) method to study the kinetics of ceramic matrix composites?

Do you have any references about this topic? I am working on UHTCs (e.g. ZrB2-SiC composites)

08 September 2014 1,466 1 View

Open pores vs. Closed pores?

01 February 2014 4,210 5 View

Is it possible to use "Direct Crack Measurement" method for determination of fracture toughness in ceramics that have 25% porosity?

Because of many porosities in the polished surface of a ceramic composite, I'm not able to detect the cracks induced by vickers indenter. Does the Direct Crack Measurement method only work for...

31 December 2013 2,017 3 View

How can I thermally etch a polished surface of an ultrahigh temperature ceramic composite?

What is the best and easiest method for thermally etching of UHTCs? I want to analyze the microstructure, calculate the grain size, and investigate the grain boundaries of a polished sample. Is...

11 December 2013 7,064 15 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View