What is surfactant? how we can select for particular materials?

01 February 2016 7,547 3 View

How can I produce pure iron powder by electrolysis with minimum size?

pure iron powder by electrolysis

31 December 2015 972 1 View

What is mean by "Self Repair of Active Metals" ?

Self Repair of Active Metals

02 March 2015 5,960 0 View

What is name of following steel ?

C=0.23%, Mn=0.66% Ni=2.9% Cr=1.29% Mo=0.24%?

11 December 2014 1,686 0 View

What is name of following steel ? C=0.23%, Mn=0.66% Ni=2.9% Cr=1.29% Mo=0.24%

C=0.23%, Mn=0.66% Ni=2.9% Cr=1.29% Mo=0.24%

11 December 2014 2,633 0 View

Does polycrystalline material posses the crystal structure like FCC, BCC, HCP?

06 July 2014 1,055 3 View

What is the relationship between electrical conductivity and the density of polymer composite materials?

If the density of a polymer composite increases, what is the effect on the electrical conductivity of the material?

01 February 2013 5,485 3 View

What is the percolation threshold in case of polymer matrix composite and what is its significance?

Practical application of percolation threshold.

08 September 2012 1,008 16 View

Is there possiblity to develop such material whose coefficient of transmissivity is near about 1 and it can sustain temp. More than 750 k ?

Material should be like glass

07 August 2012 2,694 2 View

What is the effect of modulus of elasticity of Ni & Cr on steel hardness and how is its hardness different as modulus of elasticity changes?

What is the effect of modulus of elasticity of Ni & Cr on steel hardness and how is its hardness different as modulus of elasticity changes?

07 August 2012 7,793 1 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 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

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 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

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View