How entanglements of polymer chain affect friction stir weld quality?

Please suggests mechanism related to entanglements for FSW of ABS polymer. Your opinion is highly appreciated Regards

31 December 2018 9,845 0 View

Joining of Shape-Memory Polymers (SMPs) by friction stir welding feasible or not?

Joining of Shape-Memory Polymers (SMPs) by FSW successfully possible or not? Your opinion is highly appreciated Regards Sudhir

31 December 2018 5,283 0 View

Effect of electromagnetic radiation (mobile tower) on birds, animals, crop, plant and human? How we will safe from electromagnetic radiation?

We know that Cell phone industry is becoming another cigarette industry, which kept claiming that smoking is not harmful and now there are millions of people around the world who have suffered...

11 December 2018 5,808 4 View

If ABS and PC are to friction stir welded, why the offset is important, which side, how much and what is its effect?

Your opinion is highly appreciated Regards Sudhir

11 December 2018 7,658 2 View

Which tool material and pin profile is most efficient in friction stir welding of polymer??

Tool material for friction stir welding of polymer

11 December 2018 5,791 0 View

I couldn't find any of the following phase diagrams : Phase diagram of: dissimilar polymer.?

Does anyone have any idea about phase diagrams of dissimilar polymer? I hope someone can help me, as far as I have searched, I could'nt find any of the following phase diagrams : Phase diagram of:...

10 November 2018 9,839 2 View

How will calculate porosity % in case of FSW of polymer?

FSW of polymer

10 November 2018 4,428 0 View

What is relation between welding parameter and hardness of Polymeric material welded in friction stir welding?

FSW of polymer

08 September 2018 9,439 0 View

How to give rotational velocity of swash plate in boundary condition in fluent.if i do so it will take rotation of shadow of swash plate?

after iteration the solution is not converged, it shows error as temperature divergent in AMG and increase relaxation sweep. i am using energy equation with laminar condition.my objective is to...

02 March 2018 944 2 View

Suggest some idea for good weld quality & increase joint efficiency for joining of polymer by friction stir welding?

Friction stir welding

05 June 2017 2,814 2 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

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View